21077671680

Names of 21077671680

• Cardinal: 21077671680 can be written as Twenty-one billion, seventy-seven million, six hundred seventy-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.107767168 × 10¹⁰

Factors of 21077671680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 527

Divisors of 21077671680

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 64 65 68 72 78 80 85 90 96 102 104 117 120 128 130 136 144 153 156 160 170 180 192 195 204 208 221 234 240 255 256 260 272 288 289 306 312 320 340 360 384 390 408 416 442 468 480 487 510 520 544 576 578 585 612 624 640 663 680 720 765 768 780 816 832 867 884 936 960 974 1020 1040 1088 1105 1152 1156 1170 1224 1248 1280 1326 1360 1440 1445 1461 1530 1560 1632 1664 1734 1768 1872 1920 1948 1989 2040 2080 2176 2210 2304 2312 2340 2435 2448 2496 2601 2652 2720 2880 2890 2922 3060 3120 3264 3315 3328 3468 3536 3744 3757 3840 3896 3978 4080 4160 4335 4352 4383 4420 4624 4680 4870 4896 4992 5202 5304 5440 5760 5780 5844 6120 6240 6331 6528 6630 6936 7072 7305 7488 7514 7792 7956 8160 8279 8320 8670 8766 8840 9248 9360 9740 9792 9945 9984 10404 10608 10880 11271 11520 11560 11688 12240 12480 12662 13005 13056 13260 13872 14144 14610 14976 15028 15584 15912 16320 16558 16640 17340 17532 17680 18496 18720 18785 18993 19480 19584 19890 20808 21216 21760 21915 22542 23120 23376 24480 24837 24960 25324 26010 26520 27744 28288 29220 29952 30056 31168 31655 31824 32640 33116 33813 34680 35064 35360 36992 37440 37570 37986 38960 39168 39780 41395 41616 42432 43830 45084 46240 46752 48960 49674 49920 50648 52020 53040 55488 56355 56576 56979 58440 60112 62336 63310 63648 65280 66232 67626 69360 70128 70720 73984 74511 74880 75140 75972 77920 79560 82790 83232 84864 87660 90168 92480 93504 94965 97920 99348 101296 104040 106080 107627 110976 112710 113958 116880 120224 124185 124672 126620 127296 132464 135252 138720 140256 140743 141440 149022 149760 150280 151944 155840 159120 165580 166464 169065 169728 175320 180336 184960 187008 189930 195840 198696 202592 208080 212160 215254 221952 225420 227916 233760 240448 248370 253240 254592 264928 270504 277440 280512 281486 282880 284895 298044 300560 303888 311680 318240 322881 331160 332928 338130 350640 360672 369920 372555 374016 379860 397392 405184 416160 422229 424320 430508 450840 455832 467520 480896 496740 506480 509184 529856 538135 541008 554880 561024 562972 569790 596088 601120 607776 623360 636480 645762 662320 665856 676260 701280 703715 721344 745110 759720 794784 810368 832320 844458 848640 861016 901680 911664 935040 961792 968643 993480 1012960 1059712 1076270 1082016 1109760 1122048 1125944 1139580 1192176 1202240 1215552 1266687 1272960 1291524 1324640 1352520 1402560 1407430 1442688 1490220 1519440 1589568 1614405 1620736 1664640 1688916 1722032 1803360 1823328 1829659 1870080 1937286 1986960 2025920 2111145 2119424 2152540 2164032 2251888 2279160 2384352 2404480 2431104 2533374 2545920 2583048 2649280 2705040 2805120 2814860 2885376 2980440 3038880 3179136 3228810 3329280 3377832 3444064 3606720 3646656 3659318 3874572 3973920 4051840 4222290 4305080 4328064 4503776 4558320 4768704 4808960 4843215 4862208 5066748 5166096 5298560 5410080 5488977 5610240 5629720 5960880 6077760 6333435 6358272 6457620 6755664 6888128 7213440 7293312 7318636 7749144 7947840 8103680 8444580 8610160 8656128 9007552 9116640 9148295 9537408 9686430 10133496 10332192 10597120 10820160 10977954 11259440 11921760 12155520 12666870 12915240 13511328 13776256 14426880 14586624 14637272 15498288 15895680 16466931 16889160 17220320 18015104 18233280 18296590 19074816 19372860 20266992 20664384 21640320 21955908 22518880 23843520 24311040 25333740 25830480 27022656 27444885 27552512 29274544 30996576 31791360 32933862 33778320 34440640 36030208 36466560 36593180 38745720 40533984 41328768 43280640 43911816 45037760 47687040 50667480 51660960 54045312 54889770 58549088 61993152 65867724 67556640 68881280 72933120 73186360 77491440 81067968 82334655 82657536 87823632 90075520 95374080 101334960 103321920 108090624 109779540 117098176 123986304 131735448 135113280 137762560 146372720 154982880 162135936 164669310 175647264 180151040 202669920 206643840 219559080 234196352 247972608 263470896 270226560 292745440 309965760 324271872 329338620 351294528 405339840 413287680 439118160 468392704 526941792 540453120 585490880 619931520 658677240 702589056 810679680 878236320 1053883584 1170981760 1239863040 1317354480 1405178112 1621359360 1756472640 2107767168 2341963520 2634708960 3512945280 4215534336 5269417920 7025890560 10538835840 21077671680
• Sum of all divisors σ(n): 83599125792
• Sum of proper divisors (its aliquot sum) s(n): 62521454112
• 21077671680 is an abundant number, because the sum of its proper divisors (62521454112) is greater than itself. Its abundance is 41443782432

Bases of 21077671680

• Binary: 10011101000010100111011111100000000₂
• Hexadecimal: 0x4E853BF00
• Base-36: 9OL3NK0

Squares and roots of 21077671680

• 21077671680 squared (21077671680²) is 444268243449874022400
• 21077671680 cubed (21077671680³) is 9364140173286755181508165632000
• The square root of 21077671680 is 145181.5128726795
• The cube root of 21077671680 is 2762.3214243541

Scales and comparisons

• 21,077,671,680 seconds is equal to 670 years, 10 weeks, 4 days, 12 hours, 48 minutes.
• To count from 1 to 21,077,671,680 would take you about one thousand, three hundred forty 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 21077671680 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077671680

• 21077671680 backwards is 08617677012
• 21077671680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21077671680's digits is 45
• More coming soon!