21001169485725

Names of 21001169485725

• Cardinal: 21001169485725 can be written as Twenty-one trillion, one billion, one hundred sixty-nine million, four hundred eighty-five thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 2.1001169485725 × 10¹³

Factors of 21001169485725

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 205

Divisors of 21001169485725

• Number of divisors d(n): 648
• Complete list of divisors:
  1 3 5 11 13 15 17 19 25 33 39 51 55 57 65 75 85 95 137 143 165 187 195 209 221 247 255 275 285 289 323 325 361 411 425 429 475 561 627 663 685 715 741 825 867 935 969 975 1045 1083 1105 1235 1275 1425 1445 1507 1615 1781 1805 2055 2145 2329 2431 2603 2717 2805 3135 3179 3315 3425 3553 3575 3705 3757 3971 4199 4335 4521 4675 4693 4845 5225 5343 5415 5491 5525 6137 6175 6987 7225 7293 7535 7809 8075 8151 8905 9025 9537 10275 10659 10725 11271 11645 11913 12155 12597 13015 13585 14025 14079 15675 15895 16473 16575 17765 18411 18525 18769 18785 19591 19855 20995 21675 22605 23465 24225 25619 26715 27075 27455 28633 30277 30685 33839 34935 36465 37675 39045 39593 40755 41327 44251 44525 46189 47685 49457 51623 53295 56307 56355 58225 58773 59565 60401 60775 62985 65075 67507 67925 70395 71383 76857 79475 79781 82365 85899 88825 90831 92055 93845 93925 97955 99275 101517 104329 104975 113025 117325 118779 123981 128095 132753 133575 137275 138567 143165 148371 151385 153425 154869 169195 174675 181203 182325 195225 197965 202521 203775 206459 206635 214149 221255 230945 238425 239343 243997 247285 258115 266475 281535 281775 293865 297825 302005 312987 314925 319073 333047 337535 351975 356611 356915 372229 384285 398905 411825 429495 435523 454155 460275 469225 486761 489775 507585 514709 521645 544027 575263 593895 619377 619905 640475 642941 663765 692835 715825 731991 741855 752267 756925 774345 785213 840769 845975 877591 906015 957219 989825 999141 1012605 1032295 1033175 1069833 1070745 1106275 1116687 1147619 1154725 1196715 1219985 1236425 1290575 1306569 1356277 1407675 1460283 1469325 1510025 1544127 1564935 1595365 1632081 1665235 1687675 1725789 1783055 1784575 1861145 1921425 1928823 1994525 2147475 2177615 2256801 2270775 2355639 2433805 2522307 2537925 2573545 2608225 2632773 2683967 2720135 2876315 2969475 3096885 3099525 3214705 3318825 3442857 3464175 3509803 3659955 3709275 3761335 3871725 3922721 3926065 4068831 4147949 4203845 4387955 4530075 4635943 4786095 4995705 5063025 5161475 5349165 5353725 5424241 5583435 5661799 5738095 5983575 6062387 6099925 6327893 6532845 6775609 6781385 7072351 7301415 7720635 7824675 7976825 8051901 8160405 8274937 8326175 8628945 8915275 9248459 9305725 9644115 9779471 10529409 10888075 10929997 11284005 11768163 11778195 12169025 12443847 12611535 12867725 13163865 13419835 13600675 13907829 14293073 14381575 14919047 15484425 16073525 16272723 16985397 17214285 17549015 18187161 18299775 18806675 18983679 19613605 19630325 20326827 20344155 20739745 21019225 21217053 21939775 23179715 23930475 24824811 24978525 26745825 27121205 27745377 27917175 28308995 28690475 29338413 30311935 31639465 32664225 32789991 33878045 33906925 35361755 36507075 38603175 40259505 40802025 41374685 42879219 43144725 44757141 45627439 46242295 48220575 48897355 50995373 52647045 54649985 56420025 58840815 58890975 59666651 62219235 63057675 65819325 66686257 67099175 69539145 70515133 71465365 74531699 74595235 78811031 81363615 84926985 86071425 87745075 88082917 90935805 94918395 98068025 101634135 101720775 103060579 103698725 106085265 107574181 115185353 115898575 120229967 124124055 135606025 136882317 138726885 141544975 146692065 151559675 152986119 157223803 158197325 163949955 169390225 176808775 178999953 185809949 200058771 201297525 206873425 211545399 214396095 223595097 223785705 228137195 231211475 236433093 244486775 254976865 263235225 264248751 273249925 294204075 298333255 309181737 311096175 322722543 333431285 345556059 347695725 352575665 357326825 360689901 372658495 372976175 394055155 406818075 424634925 440414585 454679025 471671409 474591975 508170675 515302895 530426325 537870905 557429847 575926765 601149835 620620275 684411585 693634425 733460325 764930595 775666463 786119015 819749775 866921341 894999765 929049745 968912087 1000293855 1057726995 1071980475 1117975485 1118928525 1133666369 1140685975 1182165465 1267038883 1274884325 1321243755 1339787527 1491666275 1497409589 1545908685 1613612715 1667156425 1727780295 1762878325 1803449505 1863292475 1958151001 1970275775 2043909439 2202072925 2326999389 2358357045 2576514475 2600764023 2689354525 2787149235 2879633825 2906736261 3005749175 3400999107 3422057925 3801116649 3824652975 3878332315 3930595075 4019362581 4334606705 4474998825 4492228767 4645248725 4844560435 5001469275 5288634975 5589877425 5668331845 5874453003 5910827325 6131728317 6335194415 6606218775 6698937635 7487047945 7729543425 8068063575 8638901475 9017247525 9790755005 10219547195 11634996945 11791785225 13003820115 13935746175 14533681305 14737662797 16471505479 17004995535 19005583245 19391661575 20096812905 21539661011 21673033525 22461143835 24222802175 25455963013 28341659225 29372265015 30658641585 31675972075 33494688175 37435239725 44212988391 48953775025 49414516437 51097735975 58174984725 64618983033 65019100575 72668406525 73688313985 76367889039 82357527395 85024977675 95027916225 100484064525 107698305055 112305719175 127279815065 146861325075 153293207925 221064941955 247072582185 280015593143 323094915165 368441569925 381839445195 411787636975 538491525275 636399075325 840046779429 1105324709775 1235362910925 1400077965715 1615474575825 1909197225975 4200233897145 7000389828575 21001169485725
• Sum of all divisors σ(n): 46069865277408
• Sum of proper divisors (its aliquot sum) s(n): 25068695791683
• 21001169485725 is an abundant number, because the sum of its proper divisors (25068695791683) is greater than itself. Its abundance is 4067526305958

Bases of 21001169485725

• Binary: 100110001100110110111001111110011111110011101₂
• Hexadecimal: 0x1319B73F3F9D
• Base-36: 7FZSY2SNX

Squares and roots of 21001169485725

• 21001169485725 squared (21001169485725²) is 441049119768146860978775625
• 21001169485725 cubed (21001169485725³) is 9262547315780676743617906362621415453125
• The square root of 21001169485725 is 4582703.2945331515
• The cube root of 21001169485725 is 27589.7539007235

Scales and comparisons

• 21,001,169,485,725 seconds is equal to 667,772 years, 11 weeks, 6 days, 6 hours, 28 minutes, 45 seconds.
• To count from 1 to 21,001,169,485,725 would take you about one million, six hundred sixty-nine thousand, four hundred thirty 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 21001169485725 cubic inches would be around 2299.1 feet tall.

Recreational maths with 21001169485725

• 21001169485725 backwards is 52758496110012
• 21001169485725 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21001169485725's digits is 51
• More coming soon!