21345120878445

Names of 21345120878445

• Cardinal: 21345120878445 can be written as Twenty-one trillion, three hundred forty-five billion, one hundred twenty million, eight hundred seventy-eight thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 2.1345120878445 × 10¹³

Factors of 21345120878445

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 456

Divisors of 21345120878445

• Number of divisors d(n): 896
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 27 35 39 45 49 57 63 65 81 91 95 105 117 133 135 147 169 171 189 195 243 245 247 273 285 315 343 351 399 405 409 441 455 507 513 567 585 637 665 729 735 741 819 845 855 931 945 1029 1053 1183 1197 1215 1227 1235 1323 1365 1521 1539 1701 1715 1729 1755 1911 1995 2045 2197 2205 2223 2457 2535 2565 2793 2835 2863 3087 3159 3185 3211 3549 3591 3645 3681 3705 3969 4095 4459 4563 4617 4655 5103 5145 5187 5265 5317 5733 5915 5985 6135 6517 6591 6615 6669 7371 7605 7695 7771 8281 8379 8505 8589 8645 9261 9477 9555 9633 10647 10773 10985 11043 11115 11907 12103 12285 13377 13689 13851 13965 14315 15379 15435 15561 15795 15951 16055 17199 17745 17955 18405 19551 19773 19845 20007 20041 22113 22295 22477 22815 23085 23313 24843 25137 25515 25767 25935 26585 27783 28665 28899 31941 32319 32585 32955 33129 33345 35721 36309 36855 37219 38855 40131 41067 41405 41743 41895 42945 46137 46305 46683 47385 47853 48165 51597 53235 53865 54397 55215 57967 58653 59319 59535 60021 60123 60515 66339 66885 67431 68445 69121 69255 69939 74529 75411 76895 77301 77805 79755 83349 84721 85995 86697 95823 96957 97755 98865 99387 100035 100205 101023 107653 108927 110565 111657 112385 116565 120393 123201 124215 125229 125685 128835 138411 138915 140049 140287 143559 144495 154791 157339 159705 161595 163191 165645 173901 175959 177957 178605 180063 180369 181545 186095 200655 202293 205335 207363 208715 209817 223587 226233 230685 231903 233415 239265 250047 254163 257985 260091 260533 271985 287469 289835 292201 293265 296595 298161 300105 300615 303069 322959 326781 331695 334971 337155 345605 349695 361179 372645 375687 377055 380779 386505 415233 416745 420147 420861 423605 430677 433485 464373 472017 479115 483847 484785 489573 496935 505115 521703 527877 533871 538265 541107 544635 558285 601965 606879 616005 622089 626145 629451 670761 678699 692055 695709 700245 701435 707161 717795 753571 762489 773955 780273 781599 786695 815955 862407 869505 876603 879795 889785 898573 900315 901845 909207 968877 980343 1004913 1011465 1036815 1049085 1083537 1101373 1117935 1127061 1131165 1142337 1159515 1245699 1250235 1260441 1262583 1270815 1292031 1300455 1302665 1313299 1416051 1437345 1451541 1461005 1468719 1490805 1515345 1565109 1583631 1601613 1614795 1623321 1633905 1674855 1805895 1820637 1823731 1866267 1878435 1888353 1903895 2012283 2045407 2076165 2087127 2100735 2104305 2121483 2153385 2260713 2287467 2321865 2340819 2344797 2360085 2419235 2447865 2608515 2629809 2639385 2665453 2669355 2695719 2705535 2727621 2906631 2941029 3014739 3034395 3110445 3147255 3250611 3304119 3353805 3381183 3386929 3393495 3427011 3478545 3535805 3737097 3767855 3787749 3812445 3876093 3901365 3907995 3939897 4248153 4312035 4354623 4383015 4406157 4492865 4546035 4695327 4750893 4844385 4869963 4901715 4950127 5024565 5417685 5461911 5471193 5506865 5598801 5635305 5665059 5711685 6036849 6136221 6228495 6290011 6302205 6312915 6364449 6460155 6566495 6782139 6862401 7034391 7080255 7257705 7343595 7825545 7889427 7918155 7996359 8008065 8087157 8116605 8182863 8719893 8823087 9044217 9103185 9118655 9193093 9331335 9441765 9912357 10061415 10143549 10160787 10227035 10281033 10435635 10607415 11211291 11303565 11363247 11437335 11704095 11723985 11819691 12744459 13063869 13149045 13218471 13327265 13478595 13638105 14085981 14317849 14533155 14609889 14705145 14850381 15073695 16253055 16385733 16413579 16520595 16796403 16905915 16934645 17072887 17135055 18408663 18685485 18870033 18938745 19093347 19380465 19699485 20346417 20587203 21103173 21240765 21773115 22030785 23476635 23668281 23708503 23754465 23989077 24261471 24349815 24548589 24750635 26159679 27132651 27309555 27355965 27579279 27994005 28325295 29737071 30184245 30430647 30482361 30681105 30843099 31450055 31822245 33910695 34089741 34312005 34650889 35171955 35459073 38233377 39191607 39447135 39655413 39981795 40435785 40914315 42257943 42953547 43599465 44030077 44115435 44551143 45221085 45965465 49240737 49561785 50389209 50717745 50803935 51218661 51405165 55225989 56056455 56610099 56816235 57280041 59098455 61039251 61761609 63309519 63722295 64351651 65319345 66092355 70429905 71004843 71125509 71589245 71967231 72784413 73049445 73645767 74251905 78479037 81928665 82067895 82737837 83982015 85364435 89211213 91447083 92043315 92529297 94350165 95466735 101732085 102269223 102936015 103952667 105515865 106377219 114700131 117574821 118341405 118542515 119510209 119945385 121307355 122742945 128860641 130798395 132090231 133653429 135663255 137896395 147722211 148685355 152153235 152411805 153655983 154215495 165677967 169830297 170448705 171840123 173254445 177295365 183117753 189928557 191166885 193054953 195958035 198277065 211289715 213014529 213376527 214767735 215901693 218353239 220150385 222755715 246203685 248213511 251946045 256093305 267633639 274341249 276129945 277587891 283050495 286400205 305196255 308210539 308808045 311858001 316547595 319131657 321758255 352724463 355024215 355627545 358530627 359836155 363922065 368228835 386581923 392395185 396270693 400960287 413689185 443166633 446056065 450461557 457235415 460967949 462646485 497033901 509490891 511346115 515520369 519763335 531886095 549353259 573500655 579164859 587874105 597551045 640129581 644303205 647705079 655059717 660451155 668267145 738611055 744640533 768279915 802900917 823023747 828389835 836571463 849151485 859200615 915588765 924631617 935574003 949642785 957394971 965274765 1065072645 1066882635 1075591881 1079508465 1091766195 1159745769 1188812079 1202880861 1241067555 1329499899 1338168195 1351384671 1371706245 1382903847 1387939455 1491101703 1528472673 1541052695 1559290005 1595658285 1737494577 1763622315 1792653135 1920388743 1932909615 1943115237 1981353465 2004801435 2215833165 2233921599 2252307785 2304839745 2469071241 2485169505 2509714389 2547454455 2577601845 2746766295 2773894851 2806722009 2895824295 3200647905 3226775643 3238525395 3275298585 3479237307 3566436237 3608642583 3723202665 4014504585 4054154013 4115118735 4148711541 4182857315 4585418019 4623158085 4677870015 4786974855 5212483731 5377959405 5761166229 5798728845 5856000241 5944060395 6014404305 6647499495 6701764797 6756923355 6914519235 7455508515 7529143167 7642363365 8321684553 8420166027 8687472885 9601943715 9680326929 9715576185 10437711921 10699308711 11169607995 12162462039 12345356205 12446134623 12548571945 13869474255 14033610045 15637451193 16133878215 17283498687 17396186535 17568000723 17832181185 18043212915 20270770065 20743557705 22587429501 22927090095 24965053659 25260498081 26062418655 28805831145 29040980787 29280001205 32097926133 33508823985 36487386117 37645715835 41608422765 42100830135 46912353579 48401634645 52188559605 52704002169 53496543555 60812310195 62230673115 67762288503 74895160977 78187255965 86417493435 87122942361 87840003615 109462158351 112937147505 124825268295 126302490405 145204903935 158112006507 160489630665 182436930585 203286865509 224685482931 234561767895 263520010845 328386475053 338811442515 374475804885 435614711805 474336019521 547310791755 609860596527 790560032535 1016434327545 1123427414655 1423008058563 1641932375265 2371680097605 3049302982635 4269024175689 7115040292815 21345120878445
• Sum of all divisors σ(n): 51194371200000
• Sum of proper divisors (its aliquot sum) s(n): 29849250321555
• 21345120878445 is an abundant number, because the sum of its proper divisors (29849250321555) is greater than itself. Its abundance is 8504129443110

Bases of 21345120878445

• Binary: 100110110100111001100010110001111111101101101₂
• Hexadecimal: 0x1369CC58FF6D
• Base-36: 7KDT9UTT9

Squares and roots of 21345120878445

• 21345120878445 squared (21345120878445²) is 455614185315428648465618025
• 21345120878445 cubed (21345120878445³) is 9725139859492065372348151719167825971125
• The square root of 21345120878445 is 4620078.0164890073
• The cube root of 21345120878445 is 27739.5581755571

Scales and comparisons

• 21,345,120,878,445 seconds is equal to 678,708 years, 42 weeks, 4 days, 4 hours, 45 seconds.
• To count from 1 to 21,345,120,878,445 would take you about one million, six hundred ninety-six thousand, seven hundred seventy-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21345120878445 cubic inches would be around 2311.6 feet tall.

Recreational maths with 21345120878445

• 21345120878445 backwards is 54487802154312
• The number of decimal digits it has is: 14
• The sum of 21345120878445's digits is 54
• More coming soon!