21490713887643

Names of 21490713887643

• Cardinal: 21490713887643 can be written as Twenty-one trillion, four hundred ninety billion, seven hundred thirteen million, eight hundred eighty-seven thousand, six hundred forty-three.

Scientific notation

• Scientific notation: 2.1490713887643 × 10¹³

Factors of 21490713887643

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4074

Divisors of 21490713887643

• Number of divisors d(n): 504
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 77 81 91 97 99 117 121 143 147 189 231 243 273 291 297 351 363 429 441 539 567 637 679 693 729 819 847 873 891 1001 1053 1067 1089 1261 1287 1323 1573 1617 1701 1911 2037 2079 2457 2541 2619 2673 3003 3159 3201 3267 3783 3861 3943 3969 4719 4753 4851 5103 5733 5929 6111 6237 7007 7371 7469 7623 7857 8019 8827 9009 9477 9603 9801 11011 11349 11583 11737 11829 11907 13871 14157 14259 14553 17199 17787 18333 18711 21021 22113 22407 22869 23571 26481 27027 27601 28809 29403 33033 34047 34749 35211 35487 35721 41613 42471 42777 43373 43659 51259 51597 52283 53361 54999 56133 61789 63063 66339 67221 68607 70713 77077 79443 81081 82159 82803 86427 88209 97097 99099 102141 104247 105633 106461 124839 127413 128331 130119 130977 152581 153777 154791 156849 160083 164997 185367 189189 193207 201663 205821 231231 238329 243243 246477 248409 259281 291291 297297 303611 306423 316899 319383 358813 374517 382239 382471 384993 390357 392931 457743 461331 464373 470547 477103 480249 494991 556101 563849 567567 575113 579621 604989 617463 679679 693693 714987 729729 739431 745227 777843 873873 891891 910833 919269 950697 958149 1068067 1076439 1123551 1146717 1147413 1154979 1171071 1373229 1383993 1411641 1431309 1440747 1668303 1691547 1702701 1725339 1738863 1814967 2039037 2081079 2125277 2144961 2218293 2235681 2511691 2621619 2675673 2677297 2732499 2852091 2874447 3204201 3229317 3339721 3370653 3442239 3464937 3513213 3946943 4119687 4151979 4207181 4234923 4293927 4322241 4972123 5004909 5074641 5108103 5176017 5216589 5444901 6117111 6202339 6243237 6375831 6434883 6654879 6707043 7476469 7535073 7864857 8027019 8031891 8197497 8556273 9612603 9687951 10019163 10111959 10326717 10539639 11840829 12359061 12455937 12621543 12704769 12881781 14916369 15014727 15223923 15528051 15649767 18351333 18607017 18729711 18741079 19127493 19964637 20121129 22429407 22605219 23378047 23594571 24095673 24592491 27628601 28837809 29063853 29450267 30057489 30980151 31618917 34804861 35522487 37077183 37367811 37864629 38114307 38645343 43416373 44749107 45044181 45671769 46278991 46584153 46949301 54693353 55053999 55821051 56189133 56223237 57382479 59893911 67288221 67815657 70134141 70783713 72287019 73777473 82885803 86513427 87191559 88350801 90172467 92940453 104414583 106567461 111231549 113593887 115936029 130249119 134247321 137015307 138836973 139752459 140847903 164080059 165161997 167463153 168669711 172147437 201864663 203446971 206151869 210402423 216861057 221332419 243634027 248657409 259540281 261574677 265052403 270517401 278821359 303914611 313243749 319702383 323952937 340781661 347808087 382853471 390747357 402741963 411045921 416510919 419257377 492240177 495485991 502389459 506009133 516442311 601626883 605593989 610340913 618455607 631207269 650583171 730902081 745972227 778620843 795157209 811552203 911743833 939731247 959107149 971858811 1022344983 1148560413 1172242071 1208225889 1249532757 1476720531 1507168377 1518027399 1549326933 1804880649 1816781967 1831022739 1855366821 1893621807 1951749513 2192706243 2237916681 2267670559 2385471627 2434656609 2679974297 2735231499 2819193741 2877321447 2915576433 3067034949 3445681239 3516726213 3624677667 3748598271 4211388181 4430161593 4521505131 4554082197 5414641947 5450345901 5566100463 5680865421 6578118729 6713750043 6803011677 7156414881 8039922891 8205694497 8457581223 8746729299 10337043717 10550178639 11245794813 12634164543 13290484779 13662246591 16243925841 16698301389 17042596263 19734356187 20141250129 20409035031 21469244643 24119768673 24617083491 25372743669 26240187897 29479717267 31011131151 31650535917 33737384439 37902493629 39871454337 48731777523 50094904167 59203068561 61227105093 72359306019 73851250473 78720563691 88439151801 93033393453 113707480887 146195332569 150284712501 177609205683 183681315279 217077918057 221553751419 236161691073 265317455403 279100180359 341122442661 438585997707 551043945837 651233754171 795952366209 1023367327983 1653131837511 1953701262513 2387857098627 3070101983949 7163571295881 21490713887643
• Sum of all divisors σ(n): 44837116616544
• Sum of proper divisors (its aliquot sum) s(n): 23346402728901
• 21490713887643 is an abundant number, because the sum of its proper divisors (23346402728901) is greater than itself. Its abundance is 1855688841258

Bases of 21490713887643

• Binary: 100111000101110110010010111100000001110011011₂
• Hexadecimal: 0x138BB25E039B
• Base-36: 7M8P46AOR

Squares and roots of 21490713887643

• 21490713887643 squared (21490713887643²) is 461850783400531706828095449
• 21490713887643 cubed (21490713887643³) is 9925503044844605888840905475076265636707
• The square root of 21490713887643 is 4635807.7923532377
• The cube root of 21490713887643 is 27802.4849354937

Scales and comparisons

• 21,490,713,887,643 seconds is equal to 683,338 years, 11 weeks, 5 days, 10 hours, 34 minutes, 3 seconds.
• To count from 1 to 21,490,713,887,643 would take you about one million, seven hundred eight thousand, three hundred forty-five 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 21490713887643 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21490713887643

• 21490713887643 backwards is 34678831709412
• 21490713887643 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21490713887643's digits is 63
• More coming soon!