21378776979294

Names of 21378776979294

• Cardinal: 21378776979294 can be written as Twenty-one trillion, three hundred seventy-eight billion, seven hundred seventy-six million, nine hundred seventy-nine thousand, two hundred ninety-four.

Scientific notation

• Scientific notation: 2.1378776979294 × 10¹³

Factors of 21378776979294

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14225

Divisors of 21378776979294

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 31 42 46 49 62 63 69 93 98 126 138 147 161 186 207 217 279 294 322 343 414 434 441 483 558 651 686 713 882 966 1029 1127 1302 1426 1449 1519 1953 2058 2139 2254 2401 2898 3038 3087 3381 3906 4278 4557 4802 4991 6174 6417 6762 7203 7889 9114 9982 10143 10633 12834 13671 14159 14406 14973 15778 16807 20286 21266 21609 23667 27342 28318 29946 31899 33614 34937 42477 43218 44919 47334 50421 55223 63798 69874 71001 74431 84954 89838 95697 99113 100842 104811 110446 117649 127431 142002 148862 151263 165669 191394 198226 209622 223293 235298 244559 254862 297339 302526 314433 325657 331338 352947 386561 438929 446586 489118 497007 521017 594678 628866 651314 669879 693791 705894 733677 773122 877858 892017 976971 994014 1042034 1058841 1159683 1316787 1339758 1387582 1467354 1563051 1711913 1784034 1953942 2081373 2117682 2201031 2279599 2319366 2633574 2705927 2930913 3072503 3126102 3423826 3479049 3647119 3950361 4162746 4402062 4559198 4689153 4856537 5135739 5411854 5861826 6145006 6244119 6838797 6958098 7294238 7900722 8117781 9217509 9378306 9713074 10095367 10271478 10941357 11983391 12488238 13677594 14569611 15407217 15957193 16235562 18435018 20190734 20516391 21507521 21882714 23966782 24353343 27652527 29139222 30286101 30814434 31914386 32824071 33995759 35950173 41032782 43015042 43708833 47871579 48706686 55305054 60572202 64522563 65648142 67991518 70667569 71900346 83883737 87417666 90858303 95743158 101987277 107850519 111700351 129045126 141335138 143614737 150552647 167767474 181716606 193567689 203974554 212002707 215701038 223400702 237970313 251651211 287229474 301105294 305961831 335101053 387135378 424005414 451657941 475940626 494672983 503302422 611923662 636008121 670202106 713910939 754953633 781902457 903315882 989345966 1005303159 1053868529 1272016242 1354973823 1427821878 1484018949 1509907266 1563804914 1665792191 2010606318 2107737058 2141732817 2345707371 2709947646 2968037898 3161605587 3331584382 3462710881 4283465634 4452056847 4691414742 4997376573 5473317199 6323211174 6925421762 7037122113 7377079703 8904113694 9484816761 9994753146 10388132643 10946634398 14074244226 14754159406 14992129719 16419951597 18969633522 20776265286 22131239109 24238976167 29984259438 31164397929 32839903194 38313220393 44262478218 48477952334 49259854791 51639557921 62328795858 66393717327 72716928501 76626440786 98519709582 103279115842 114939661179 132787434654 145433857002 154918673763 169672833169 218150785503 229879322358 309837347526 339345666338 344818983537 436301571006 464756021289 509018499507 689637967074 929512042578 1018036999014 1187709832183 1527055498521 2375419664366 3054110997042 3563129496549 7126258993098 10689388489647 21378776979294
• Sum of all divisors σ(n): 58213482762240
• Sum of proper divisors (its aliquot sum) s(n): 36834705782946
• 21378776979294 is an abundant number, because the sum of its proper divisors (36834705782946) is greater than itself. Its abundance is 15455928803652

Bases of 21378776979294

• Binary: 100110111000110100010011010000101011101011110₂
• Hexadecimal: 0x1371A268575E
• Base-36: 7KT9VTVFI

Squares and roots of 21378776979294

• 21378776979294 squared (21378776979294²) is 457052105130391087304738436
• 21378776979294 cubed (21378776979294³) is 9771215023499466089445656212840857944184
• The square root of 21378776979294 is 4623718.9554831291
• The cube root of 21378776979294 is 27754.1300475413

Scales and comparisons

• 21,378,776,979,294 seconds is equal to 679,778 years, 50 weeks, 6 days, 8 hours, 54 minutes, 54 seconds.
• To count from 1 to 21,378,776,979,294 would take you about one million, six hundred ninety-nine thousand, four hundred forty-seven 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 21378776979294 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378776979294

• 21378776979294 backwards is 49297967787312
• The number of decimal digits it has is: 14
• The sum of 21378776979294's digits is 81
• More coming soon!