21378847848876

Names of 21378847848876

• Cardinal: 21378847848876 can be written as Twenty-one trillion, three hundred seventy-eight billion, eight hundred forty-seven million, eight hundred forty-eight thousand, eight hundred seventy-six.

Scientific notation

• Scientific notation: 2.1378847848876 × 10¹³

Factors of 21378847848876

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 601

Divisors of 21378847848876

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 49 51 54 63 68 81 84 98 102 108 119 126 147 153 162 189 196 204 238 241 243 252 294 306 324 331 357 378 441 459 476 482 486 567 588 612 662 714 723 756 833 882 918 964 972 993 1071 1134 1323 1324 1377 1428 1446 1666 1687 1701 1764 1836 1986 2142 2169 2268 2317 2499 2646 2754 2892 2979 3213 3332 3374 3402 3969 3972 4097 4131 4284 4338 4634 4998 5061 5292 5508 5627 5958 6426 6507 6748 6804 6951 7497 7938 8194 8262 8676 8937 9268 9639 9996 10122 11254 11809 11907 11916 12291 12852 13014 13902 14994 15183 15876 16219 16388 16524 16881 17874 19278 19521 20244 20853 22491 22508 23618 23814 24582 26028 26811 27804 28679 28917 29988 30366 32438 33762 35427 35748 36873 38556 39042 39389 41706 44982 45549 47236 47628 48657 49164 50643 53622 57358 57834 58563 60732 62559 64876 67473 67524 70854 73746 78084 78778 79771 80433 83412 86037 89964 91098 97314 101286 106281 107244 109561 110619 114716 115668 117126 118167 125118 134946 136647 141708 145971 147492 151929 157556 159542 160866 172074 182196 187677 194628 200753 202419 202572 212562 219122 221238 234252 236334 239313 250236 258111 269892 273294 275723 291942 303858 318843 319084 321732 328683 331857 344148 354501 375354 401506 404838 409941 425124 437913 438244 442476 455787 472668 478626 516222 546588 551446 558397 563031 583884 602259 607716 637686 657366 663714 709002 717939 750708 766927 774333 803012 809676 819882 827169 875826 911574 956529 957252 986049 995571 1032444 1063503 1102892 1116794 1126062 1204518 1275372 1313739 1314732 1327428 1356107 1367361 1418004 1435878 1533854 1548666 1639764 1654338 1675191 1751652 1806777 1823148 1862537 1913058 1972098 1991142 2127006 2153817 2233588 2252124 2300781 2322999 2409036 2481507 2627478 2712214 2734722 2869587 2871756 2958147 3067708 3097332 3190509 3308676 3350382 3613554 3725074 3826116 3908779 3941217 3944196 3982284 4068321 4254012 4307634 4601562 4645998 4963014 5025573 5254956 5368489 5420331 5424428 5469444 5587611 5739174 5916294 6381018 6461451 6700764 6902343 6968997 7227108 7444521 7450148 7817558 7882434 8136642 8615268 8874441 9203124 9291996 9492749 9571527 9926028 10051146 10736978 10840662 11175222 11478348 11726337 11832588 12204963 12762036 12922902 13037759 13804686 13937994 14889042 15076719 15635116 15764868 16105467 16260993 16273284 16762833 17748882 18985498 19143054 19384353 20102292 20707029 21473956 21681324 22333563 22350444 23452674 24409926 25845804 26075518 26404201 26623323 27609372 27875988 28478247 29778084 30153438 32210934 32521986 33525666 35179011 35497764 36614889 37970996 38286108 38768706 39113277 41414058 44667126 45230157 46905348 48316401 48782979 48819852 50288499 52151036 52808402 53246646 56956494 60306876 62121087 64421868 65043972 66449243 67000689 67051332 70358022 73229778 77537412 78226554 79212603 82828116 85434741 89334252 90460314 91264313 96632802 97565958 100576998 105537033 105616804 106493292 109844667 113912988 117339831 124242174 132898486 134001378 135690471 140716044 144949203 146459556 150865497 156453108 158425206 170869482 180920628 182528626 184829407 186363261 193265604 195131916 199347729 201153996 211074066 219689334 234679662 237637809 248484348 256304223 265796972 268002756 271380942 273792939 289898406 301730994 316611099 316850412 329534001 341738964 352019493 365057252 369658814 372726522 398695458 422148132 434847609 439378668 448871417 452596491 469359324 475275618 512608446 542761884 547585878 554488221 579796812 598043187 603461988 633222198 659068002 704038986 712913427 739317628 745453044 768912669 797390916 821378817 869695218 897742834 905192982 949833297 950551236 1025216892 1056058479 1095171756 1108976442 1196086374 1266444396 1293805849 1304542827 1318136004 1346614251 1408077972 1425826854 1537825338 1642757634 1663464663 1739390436 1794129561 1795485668 1810385964 1899666594 2112116958 2138740281 2217952884 2306738007 2392172748 2464136451 2587611698 2609085654 2693228502 2851653708 3075650676 3142099919 3168175437 3285515268 3326929326 3588259122 3799333188 3881417547 4039842753 4224233916 4277480562 4613476014 4928272902 4990393989 5175223396 5218171308 5382388683 5386457004 6284199838 6336350874 6416220843 6653858652 7176518244 7392409353 7762835094 8079685506 8554961124 9226952028 9426299757 9856545804 9980787978 10764777366 11644252641 12119528259 12568399676 12672701748 12832441686 14784818706 14971181967 15525670188 16147166049 16159371012 18852599514 19961575956 21529554732 21994699433 22177228059 23288505282 24239056518 25664883372 28278899271 29569637412 29942363934 32294332098 34932757923 36358584777 37705199028 43989398866 44354456118 44913545901 46577010564 48478113036 56557798542 59884727868 64588664196 65984098299 69865515846 72717169554 84836697813 87978797732 88708912236 89827091802 104798273769 109075754331 113115597084 131968196598 139731031692 145434339108 169673395626 179654183604 197952294897 209596547538 218151508662 254510093439 263936393196 314394821307 339346791252 395904589794 419193095076 436303017324 509020186878 593856884691 628789642614 763530280317 791809179588 1018040373756 1187713769382 1257579285228 1527060560634 1781570654073 2375427538764 3054121121268 3563141308146 5344711962219 7126282616292 10689423924438 21378847848876
• Sum of all divisors σ(n): 69523588422288
• Sum of proper divisors (its aliquot sum) s(n): 48144740573412
• 21378847848876 is an abundant number, because the sum of its proper divisors (48144740573412) is greater than itself. Its abundance is 26765892724536

Bases of 21378847848876

• Binary: 100110111000110100110101000011011100110101100₂
• Hexadecimal: 0x1371A6A1B9AC
• Base-36: 7KTB20UR0

Squares and roots of 21378847848876

• 21378847848876 squared (21378847848876²) is 457055135345389972534463376
• 21378847848876 cubed (21378847848876³) is 9771312197096519449601753067772604765376
• The square root of 21378847848876 is 4623726.6191759219
• The cube root of 21378847848876 is 27754.1607153607

Scales and comparisons

• 21,378,847,848,876 seconds is equal to 679,781 years, 12 weeks, 14 hours, 54 minutes, 36 seconds.
• To count from 1 to 21,378,847,848,876 would take you about one million, six hundred ninety-nine thousand, four hundred fifty-three 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 21378847848876 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378847848876

• 21378847848876 backwards is 67884874887312
• 21378847848876 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21378847848876's digits is 81
• More coming soon!