72105943421421

Names of 72105943421421

• Cardinal: 72105943421421 can be written as Seventy-two trillion, one hundred five billion, nine hundred forty-three million, four hundred twenty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.2105943421421 × 10¹³

Factors of 72105943421421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 300

Divisors of 72105943421421

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 13 17 19 21 39 51 57 63 91 117 119 133 153 169 171 221 241 247 273 323 357 361 399 507 663 723 741 819 969 1071 1083 1183 1197 1521 1547 1687 1729 1989 2169 2223 2261 2527 2873 2907 3133 3211 3249 3549 4097 4199 4579 4641 4693 5061 5187 6137 6783 6859 7581 8619 9399 9633 10647 12291 12597 13737 13923 14079 15183 15561 18411 20111 20349 20577 21931 22477 22743 25857 28197 28679 28899 29393 32053 32851 36873 37791 40729 41211 42237 42959 48013 53261 54587 55233 58081 59527 60333 61009 61731 65793 67431 77843 79781 86037 87001 88179 89167 96159 98553 116603 122187 128877 144039 159783 163761 174243 178581 180999 183027 197379 202293 233529 239343 258111 261003 264537 267501 285103 288477 295659 349809 366561 372827 382109 386631 406567 416689 427063 432117 479349 491283 522729 535743 544901 549081 558467 609007 624169 692393 700587 718029 755053 773851 783009 802503 816221 855309 987377 1011959 1037153 1049427 1103539 1118481 1131013 1146327 1159171 1219701 1250067 1281189 1479017 1515839 1634703 1653019 1675401 1827021 1872507 2077179 2265159 2321553 2448663 2565927 2962131 3035877 3111459 3310617 3355443 3393039 3438981 3477513 3659103 3750201 3843567 4437051 4547517 4846751 4904109 4959057 5026203 5285371 5416957 5481063 5617521 6231537 6795477 6911639 6964659 7083713 7260071 7345989 7724773 7917091 8114197 8886393 9107631 9334377 9815689 9931851 10179117 10353119 10432539 10610873 11571133 12835901 13155467 13311153 13642551 14346007 14540253 14703169 14877171 15856113 16250871 18760163 19227221 19705907 20734917 20967241 21251139 21489247 21780213 23174319 23751273 24342591 28101323 29447067 31059357 31832619 34713399 38507703 39466401 43038021 43620759 44109507 47568339 48752613 56280489 57681663 59117721 62204751 62901723 63753417 64467741 65340639 68709823 69522957 71253819 73027773 84303969 88341201 89851307 92088269 93178071 95497857 100422049 102922183 104140197 115523109 118399203 129114063 131321141 132328521 134590547 137941349 146770687 150424729 166866713 168841467 173044989 177353163 186498091 188705169 193403223 196709261 206129469 243882119 249953873 252911907 269553921 272574133 276264807 279360211 301266147 308766549 356443097 365317199 393963423 398377579 403771641 413824047 440312061 451274187 500600139 559494273 590127783 618388407 731646357 749861619 808661763 817722399 828794421 838080633 903798441 926299647 1069329291 1095951597 1168066991 1181890269 1195132737 1211314923 1241472141 1305486637 1320936183 1353822561 1501800417 1678482819 1707174833 1749677111 1770383349 1908018931 1955521477 2194939071 2249584857 2453167197 2495101679 2514241899 2557220393 2788643053 3170467547 3207987873 3287854791 3504200973 3543463729 3585398211 3916459911 4633760261 4749123587 5121524499 5178908527 5249031333 5724056793 5866564431 6772418843 7485305037 7671661179 8365929159 9511402641 10512602919 10630391187 11749379733 13901280783 14247370761 15364573497 15536725581 15747093999 17172170379 17599693293 20317256529 22193272829 22455915111 23014983537 24804246103 25097787477 28534207923 31891173561 32436321827 33243865109 36252359689 41703842349 42742112283 46610176743 47406931901 60238883393 60951769587 66579818487 67325810851 74412738309 88041444959 97308965481 99731595327 108757079067 142220795703 180716650179 199739455461 201977432553 223238214927 264124334877 291926896443 299194785981 326271237201 421672183751 426662387109 471280675957 542149950537 605932297659 616290114713 792373004631 1144538784467 1265016551253 1413842027871 1848870344139 3433616353401 3795049653759 4241526083613 5546611032417 8011771491269 10300849060203 24035314473807 72105943421421
• Sum of all divisors σ(n): 144655634747520
• Sum of proper divisors (its aliquot sum) s(n): 72549691326099
• 72105943421421 is an abundant number, because the sum of its proper divisors (72549691326099) is greater than itself. Its abundance is 443747904678

Bases of 72105943421421

• Binary: 10000011001010001111001001001001101000111101101₂
• Hexadecimal: 0x41947924D1ED
• Base-36: PK50GZQP9

Squares and roots of 72105943421421

• 72105943421421 squared (72105943421421²) is 5199267076693166387601659241
• 72105943421421 cubed (72105943421421³) is 374898057664894414761032020166448102001461
• The square root of 72105943421421 is 8491521.8554403425
• The cube root of 72105943421421 is 41622.0712015869

Scales and comparisons

• 72,105,943,421,421 seconds is equal to 2,292,745 years, 50 weeks, 8 hours, 10 minutes, 21 seconds.
• To count from 1 to 72,105,943,421,421 would take you about five million, seven hundred thirty-one thousand, eight hundred sixty-four 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 72105943421421 cubic inches would be around 3468.5 feet tall.

Recreational maths with 72105943421421

• 72105943421421 backwards is 12412434950127
• The number of decimal digits it has is: 14
• The sum of 72105943421421's digits is 45
• More coming soon!