21071068016128

Names of 21071068016128

• Cardinal: 21071068016128 can be written as Twenty-one trillion, seventy-one billion, sixty-eight million, sixteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1071068016128 × 10¹³

Factors of 21071068016128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1521

Divisors of 21071068016128

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 8 13 16 17 26 31 32 34 52 62 64 68 104 124 128 136 208 221 248 256 272 289 307 403 416 442 496 512 527 544 578 614 806 832 884 992 1054 1088 1151 1156 1228 1612 1664 1768 1984 2108 2176 2302 2312 2456 3224 3328 3536 3757 3968 3991 4216 4352 4604 4624 4912 5219 6448 6656 6851 7072 7514 7936 7982 8432 8704 8959 9208 9248 9517 9824 10438 12896 13702 14144 14963 15028 15872 15964 16864 17918 18416 18496 19034 19567 19648 20876 25792 27404 28288 29926 30056 31928 33728 35681 35836 36832 36992 38068 39134 39296 41752 51584 54808 56576 59852 60112 63856 67456 67847 71362 71672 73664 73984 76136 78268 78592 83504 88723 103168 109616 113152 116467 119704 120224 123721 127712 134912 135694 142724 143344 147328 147968 152272 156536 157184 161789 167008 177446 206336 219232 232934 239408 240448 247442 254371 255424 269824 271388 285448 286688 294656 304544 313072 323578 332639 334016 353357 354892 438464 463853 465868 478816 480896 494884 508742 510848 542776 570896 573376 589312 606577 609088 626144 647156 665278 668032 706714 709784 876928 927706 931736 957632 961792 989768 1017484 1021696 1085552 1141792 1146752 1153399 1213154 1218176 1252288 1294312 1330556 1336064 1413428 1419568 1753856 1855412 1863472 1915264 1923584 1979536 2034968 2043392 2103257 2171104 2283584 2293504 2306798 2426308 2436352 2504576 2588624 2661112 2672128 2750413 2826856 2839136 3507712 3710824 3726944 3830528 3959072 4069936 4206514 4324307 4342208 4567168 4587008 4593641 4613596 4852616 4872704 5009152 5177248 5322224 5500826 5653712 5678272 6007069 7421648 7453888 7661056 7885501 7918144 8139872 8413028 8648614 8684416 9134336 9187282 9227192 9705232 10018304 10311809 10354496 10644448 10954067 11001652 11307424 11356544 12014138 14843296 14907776 15771002 15836288 16279744 16826056 17297228 17368832 18268672 18374564 18454384 19410464 20623618 20708992 21288896 21908134 22003304 22614848 22713088 24028276 29686592 29815552 31542004 31672576 32559488 33652112 34594456 34737664 35755369 36749128 36908768 38820928 41247236 41417984 42577792 43816268 44006608 45229696 45426176 48056552 59373184 59631104 63084008 63345152 65118976 67304224 69188912 71510738 73498256 73817536 77641856 78091897 82494472 82835968 85155584 87632536 88013216 90459392 96113104 102120173 118746368 126168016 130237952 134053517 134608448 138377824 142402871 143021476 146996512 147635072 155283712 156183794 164988944 170311168 175265072 176026432 180918784 186219139 192226208 204240346 237492736 252336032 268107034 269216896 276755648 284805742 286042952 293993024 295270144 310567424 312367588 329977888 350530144 352052864 372438278 384452416 408480692 504672064 536214068 538433792 553511296 569611484 572085904 587986048 590540288 624735176 659955776 701060288 704105728 744876556 768904832 816961384 1009344128 1072428136 1076867584 1107022592 1139222968 1144171808 1175972096 1249470352 1319911552 1327562249 1402120576 1408211456 1489753112 1537809664 1633922768 2018688256 2144856272 2214045184 2278445936 2288343616 2351944192 2420848807 2498940704 2639823104 2655124498 2804241152 2979506224 3075619328 3165725363 3267845536 4037376512 4289712544 4556891872 4576687232 4841697614 4997881408 5279646208 5310248996 5608482304 5959012448 6331450726 6535691072 8579425088 9113783744 9153374464 9683395228 9995762816 10620497992 11918024896 12662901452 13071382144 17158850176 18227567488 18306748928 19366790456 19991525632 21240995984 23836049792 25325802904 26142764288 34317700352 36455134976 38733580912 39983051264 41154429719 42481991968 47672099584 50651605808 52285528576 68635400704 72910269952 77467161824 82308859438 84963983936 95344199168 101303211616 154934323648 164617718876 169927967872 202606423232 309868647296 329235437752 339855935744 405212846464 619737294592 658470875504 679711871488 810425692928 1239474589184 1316941751008 1620851385856 2633883502016 5267767004032 10535534008064 21071068016128
• Sum of all divisors σ(n): 49922372763648
• Sum of proper divisors (its aliquot sum) s(n): 28851304747520
• 21071068016128 is an abundant number, because the sum of its proper divisors (28851304747520) is greater than itself. Its abundance is 7780236731392

Bases of 21071068016128

• Binary: 100110010100111111101100001100010111000000000₂
• Hexadecimal: 0x1329FD862E00
• Base-36: 7GVWXUVWG

Squares and roots of 21071068016128

• 21071068016128 squared (21071068016128²) is 443989907340292369668112384
• 21071068016128 cubed (21071068016128³) is 9355341536041668886742168812913428529152
• The square root of 21071068016128 is 4590323.3019176331
• The cube root of 21071068016128 is 27620.3291450623

Scales and comparisons

• 21,071,068,016,128 seconds is equal to 669,994 years, 40 weeks, 6 days, 55 minutes, 28 seconds.
• To count from 1 to 21,071,068,016,128 would take you about one million, six hundred seventy-four thousand, nine hundred eighty-six 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 21071068016128 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21071068016128

• 21071068016128 backwards is 82161086017012
• The number of decimal digits it has is: 14
• The sum of 21071068016128's digits is 43
• More coming soon!