21004977487140

Names of 21004977487140

• Cardinal: 21004977487140 can be written as Twenty-one trillion, four billion, nine hundred seventy-seven million, four hundred eighty-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.100497748714 × 10¹³

Factors of 21004977487140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 36548

Divisors of 21004977487140

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 47 60 62 71 90 93 94 124 141 142 155 180 186 188 213 235 279 282 284 310 355 372 423 426 465 470 558 564 620 639 705 710 846 852 930 940 961 1065 1116 1278 1395 1410 1420 1457 1692 1860 1922 2115 2130 2201 2556 2790 2820 2883 2914 3195 3337 3844 4230 4260 4371 4402 4805 5580 5766 5828 6390 6603 6674 7285 8460 8649 8742 8804 9610 10011 11005 11532 12780 13113 13206 13348 14415 14570 16685 17298 17484 19220 19809 20022 21855 22010 26226 26412 28830 29140 30033 33015 33370 34596 36389 39618 40044 43245 43710 44020 45167 50055 52452 57660 60066 65565 66030 66740 68231 72778 79236 86490 87420 90334 99045 100110 103447 109167 120132 131130 132060 135501 136462 145556 150165 172980 180668 181945 198090 200220 204693 206894 218334 225835 262260 271002 272924 300330 310341 327501 341155 363890 396180 406503 409386 413788 436668 451670 517235 542004 545835 600660 614079 620682 655002 677505 682310 727780 813006 818772 903340 931023 1023465 1034470 1091670 1128059 1228158 1241364 1310004 1355010 1364620 1551705 1626012 1637505 1710283 1862046 2032515 2046930 2068940 2183340 2256118 2456316 2583619 2710020 3070395 3103410 3206857 3275010 3384177 3420566 3724092 4065030 4093860 4512236 4655115 5130849 5167238 5640295 6140790 6206820 6413714 6550020 6768354 6841132 7750857 8130060 8551415 9310230 9620571 10152531 10261698 10334476 11280590 12281580 12827428 12918095 13536708 15392547 15501714 16034285 16920885 17102830 18620460 19241142 20305062 20523396 22561180 23252571 25654245 25836190 28861713 30785094 31003428 32068570 33841770 34205660 34969829 38482284 38754285 40610124 46505142 48102855 50762655 51308490 51672380 53018773 57723426 61570188 64137140 67683540 69939658 76962735 77508570 80092189 93010284 96205710 101525310 102616980 104909487 106037546 115446852 116262855 121430093 139879316 144308565 153925470 155017140 159056319 160184378 174849145 192411420 203050620 209818974 212075092 232525710 240276567 242860186 265093865 288617130 307850940 314728461 318112638 320368756 349698290 364290279 400460945 419637948 465051420 477168957 480553134 485720372 524547435 530187730 577234260 607150465 629456922 636225276 699396580 720829701 728580558 795281595 800921890 954337914 961106268 1049094870 1060375460 1092870837 1201382835 1214300930 1258913844 1441659402 1457161116 1573642305 1590563190 1601843780 1643581963 1821451395 1908675828 2098189740 2185741674 2385844785 2402765670 2428601860 2482857859 2883318804 3147284610 3181126380 3287163926 3604148505 3642902790 3764332883 4371483348 4771689570 4805531340 4930745889 4965715718 5464354185 6294569220 6574327852 7208297010 7285805580 7448573577 7528665766 8217909815 9543379140 9861491778 9931431436 10928708370 11292998649 12414289295 14416594020 14792237667 14897147154 15057331532 16435819630 18821664415 19722983556 21857416740 22345720731 22585997298 24653729445 24828578590 29584475334 29794294308 32871639260 33878995947 37242867885 37643328830 44691441462 45171994596 49307458890 49657157180 56464993245 59168950668 67757991894 73961188335 74485735770 75286657660 89382882924 98614917780 111728603655 112929986490 116694319373 135515983788 147922376670 148971471540 169394979735 223457207310 225859972980 233388638746 295844753340 338789959470 350082958119 446914414620 466777277492 583471596865 677579918940 700165916238 1050248874357 1166943193730 1400331832476 1750414790595 2100497748714 2333886387460 3500829581190 4200995497428 5251244371785 7001659162380 10502488743570 21004977487140
• Sum of all divisors σ(n): 68186387243520
• Sum of proper divisors (its aliquot sum) s(n): 47181409756380
• 21004977487140 is an abundant number, because the sum of its proper divisors (47181409756380) is greater than itself. Its abundance is 26176432269240

Bases of 21004977487140

• Binary: 100110001101010011010001110001011110100100100₂
• Hexadecimal: 0x131A9A38BD24
• Base-36: 7G1JX9HD0

Squares and roots of 21004977487140

• 21004977487140 squared (21004977487140²) is 441209079235258228865379600
• 21004977487140 cubed (21004977487140³) is 9267586776458367545041728203750218344000
• The square root of 21004977487140 is 4583118.7511497015
• The cube root of 21004977487140 is 27591.4213550455

Scales and comparisons

• 21,004,977,487,140 seconds is equal to 667,893 years, 16 weeks, 1 day, 8 hours, 39 minutes.
• To count from 1 to 21,004,977,487,140 would take you about one million, six hundred sixty-nine thousand, seven hundred thirty-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 21004977487140 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21004977487140

• 21004977487140 backwards is 04178477940012
• The number of decimal digits it has is: 14
• The sum of 21004977487140's digits is 54
• More coming soon!