21378509348742

Names of 21378509348742

• Cardinal: 21378509348742 can be written as Twenty-one trillion, three hundred seventy-eight billion, five hundred nine million, three hundred forty-eight thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.1378509348742 × 10¹³

Factors of 21378509348742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4795

Divisors of 21378509348742

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 37 39 42 49 54 63 74 78 81 91 98 111 117 126 147 162 169 182 189 222 234 259 273 294 333 338 343 351 378 441 481 507 518 546 567 637 666 686 702 777 819 882 962 999 1014 1029 1053 1134 1183 1274 1323 1443 1521 1554 1638 1813 1911 1998 2058 2106 2197 2331 2366 2457 2646 2886 2997 3042 3087 3367 3549 3626 3822 3969 4329 4394 4459 4563 4662 4733 4914 5439 5733 5994 6174 6253 6591 6734 6993 7098 7371 7938 8281 8658 8918 9126 9261 9466 10101 10647 10878 11466 12506 12691 12987 13182 13377 13689 13986 14199 14742 15379 16317 16562 17199 18522 18759 19773 20202 20979 21294 23569 24843 25382 25974 26754 27378 27783 28398 30303 30758 31941 32634 33131 34398 37518 38073 38961 39546 40131 41958 42597 43771 46137 47138 48951 49686 51597 55566 56277 57967 59319 60606 61529 63882 66262 70707 74529 76146 77922 80262 81289 85194 87542 90909 92274 95823 97902 99393 103194 107653 112554 114219 115934 118638 120393 123058 127791 131313 138411 141414 146853 149058 162578 164983 168831 173901 175121 177957 181818 184587 191646 198786 212121 215306 223587 228438 231917 240786 243867 255582 262626 272727 276822 293706 298179 306397 322959 329966 337662 342657 347802 350242 355914 361179 369174 383373 393939 415233 424242 430703 447174 463834 487734 494949 506493 521703 525363 545454 553761 569023 596358 612794 636363 645918 670761 685314 695751 722358 731601 753571 766746 787878 799877 830466 861406 894537 919191 968877 989898 1012986 1027971 1043406 1050726 1107522 1138046 1181817 1225847 1245699 1272726 1292109 1341522 1391502 1463202 1484847 1507142 1565109 1576089 1599754 1623419 1661283 1707069 1789074 1838382 1909089 1937754 2055942 2087253 2144779 2194803 2260713 2276573 2363634 2399631 2451694 2491398 2584218 2683611 2757573 2906631 2969694 3014921 3130218 3152178 3246838 3322566 3414138 3545451 3677541 3818178 3876327 3983161 4174506 4289558 4389606 4454541 4521426 4553146 4695327 4728267 4799262 4870257 4983849 5121207 5367222 5515146 5599139 5813262 6029842 6261759 6434337 6584409 6782139 6829719 7090902 7198893 7355082 7752654 7966322 8272719 8580929 8719893 8909082 9044763 9390654 9456534 9740514 9967698 10242414 10398401 11032623 11198278 11628981 11949483 12523518 12868674 13168818 13363623 13564278 13659438 14184801 14397786 14610771 15363621 15936011 16545438 16797417 17161858 17439786 18089526 18785277 19303011 20346417 20489157 20796802 21104447 21596679 22065246 23257962 23898966 24818157 25742787 26727246 27134289 27882127 28369602 29221542 29595449 30727242 31195203 31872022 33097869 33594834 34886943 35848449 37570554 38606022 39193973 40692834 40978314 42208894 43193358 43832313 46090863 47808033 49636314 50392251 51485574 54268578 55764254 57909033 59190898 60066503 61039251 61467471 62390406 63313341 64790037 66195738 69773886 71696898 72788807 77228361 78387946 81402867 83646381 87664626 88786347 92181726 93585609 95616066 99293607 100784502 107545347 111552077 115818066 117581919 120133006 122078502 122934942 126626682 129580074 131496939 143424099 145577614 151176753 154456722 162805734 167292762 173727099 177572694 180199509 184402413 187171218 189940023 198587214 207168143 215090694 218366421 223104154 231685083 235163838 244208601 250939143 262993878 266359041 274357811 280756827 286848198 302353506 322636041 334656231 347454198 352745757 360399018 368804826 379880046 384740837 414336286 430272297 436732842 453530259 463370166 488417202 501878286 509521649 532718082 540598527 548715622 561513654 569820069 621504429 645272082 655099263 669312462 695055249 705491514 752817429 769481674 780864539 799077123 823073433 842270481 860544594 907060518 1003968693 1019043298 1058237271 1081197054 1139640138 1154222511 1243008858 1290816891 1310198526 1390110498 1450177001 1505634858 1528564947 1561729078 1598154246 1621795581 1646146866 1684540962 1709460207 1864513287 1965297789 2007937386 2116474542 2258452287 2308445022 2342593617 2397231369 2469220299 2581633782 2693185859 2900354002 3011906079 3057129894 3174711813 3243591162 3418920414 3462667533 3566651543 3729026574 3930595578 4350531003 4516904574 4585694841 4685187234 4794462738 4865386743 4938440598 5386371718 5593539861 5895893367 6023812158 6349423626 6925335066 7027780851 7133303086 7407660897 8079557577 8701062006 9035718237 9171389682 9730773486 10151239007 10388002599 10699954629 11187079722 11791786734 13051593009 13757084523 14055561702 14815321794 16159115154 16780619583 18071436474 18852301013 20302478014 20776005198 21083342553 21399909258 22222982691 24238672731 26103186018 27514169046 30453717021 31164007797 32099863887 33561239166 37704602026 39154779027 41271253569 42166685106 44445965382 48477345462 56556903039 60907434042 62328015594 63250027659 64199727774 72716018193 78309558054 82542507138 91361151063 96299591661 113113806078 117464337081 126500055318 131966107091 145432036386 169670709117 182722302126 192599183322 218148054579 234928674162 263932214182 274083453189 288898774983 339341418234 395898321273 436296109158 509012127351 548166906378 577797549966 791796642546 822250359567 1018024254702 1187694963819 1527036382053 1644500719134 2375389927638 3054072764106 3563084891457 7126169782914 10689254674371 21378509348742
• Sum of all divisors σ(n): 62166357792000
• Sum of proper divisors (its aliquot sum) s(n): 40787848443258
• 21378509348742 is an abundant number, because the sum of its proper divisors (40787848443258) is greater than itself. Its abundance is 19409339094516

Bases of 21378509348742

• Binary: 100110111000110010010011101001001111110000110₂
• Hexadecimal: 0x137192749F86
• Base-36: 7KT5GHMDI

Squares and roots of 21378509348742

• 21378509348742 squared (21378509348742²) is 457040661974249092976982564
• 21378509348742 cubed (21378509348742³) is 9770848064771716540673835720295929334488
• The square root of 21378509348742 is 4623690.0143437385
• The cube root of 21378509348742 is 27754.0142335551

Scales and comparisons

• 21,378,509,348,742 seconds is equal to 679,770 years, 24 weeks, 2 days, 19 hours, 5 minutes, 42 seconds.
• To count from 1 to 21,378,509,348,742 would take you about one million, six hundred ninety-nine thousand, four hundred twenty-six 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 21378509348742 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378509348742

• 21378509348742 backwards is 24784390587312
• 21378509348742 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21378509348742's digits is 63
• More coming soon!