19819993680

Names of 19819993680

• Cardinal: 19819993680 can be written as Nineteen billion, eight hundred nineteen million, nine hundred ninety-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.981999368 × 10¹⁰

Factors of 19819993680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 358

Divisors of 19819993680

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 41 45 48 54 60 72 80 81 82 90 108 120 123 135 144 162 164 180 205 216 240 243 246 270 307 324 328 360 369 405 410 432 486 492 540 614 615 648 656 720 729 738 810 820 921 972 984 1080 1107 1215 1228 1230 1296 1458 1476 1535 1620 1640 1842 1845 1944 1968 2160 2187 2214 2430 2456 2460 2763 2916 2952 3070 3240 3280 3321 3645 3684 3690 3888 4374 4428 4605 4860 4912 4920 5526 5535 5832 5904 6140 6480 6561 6642 7290 7368 7380 8289 8748 8856 9210 9720 9840 9963 10935 11052 11070 11664 12280 12587 13122 13284 13815 14580 14736 14760 16578 16605 17496 17712 18420 19440 19683 19926 21870 22104 22140 24560 24867 25174 26244 26568 27630 29160 29520 29889 32805 33156 33210 34992 36840 37761 39366 39852 41445 43740 44208 44280 49734 49815 50348 52488 53136 55260 58320 59778 62935 65610 66312 66420 73680 74601 75522 78732 79704 82890 87480 88560 89667 98415 99468 99630 100696 104976 110520 113283 119556 124335 125870 131220 132624 132840 149202 149445 151044 157464 159408 165780 174960 179334 188805 196830 198936 199260 201392 221040 223803 226566 239112 248670 251740 262440 265680 269001 298404 298890 302088 314928 331560 339849 358668 373005 377610 393660 397872 398520 447606 448335 453132 478224 497340 503480 524880 538002 566415 596808 597780 604176 663120 671409 679698 717336 746010 755220 787320 797040 807003 895212 896670 906264 994680 1006960 1019547 1076004 1119015 1132830 1193616 1195560 1342818 1345005 1359396 1434672 1492020 1510440 1574640 1614006 1699245 1790424 1793340 1812528 1989360 2014227 2039094 2152008 2238030 2265660 2391120 2685636 2690010 2718792 2984040 3020880 3058641 3228012 3357045 3398490 3580848 3586680 4028454 4035015 4078188 4304016 4476060 4531320 5097735 5371272 5380020 5437584 5968080 6042681 6117282 6456024 6714090 6796980 7173360 8056908 8070030 8156376 8952120 9062640 9175923 10071135 10195470 10742544 10760040 12085362 12234564 12912048 13428180 13593960 15293205 16113816 16140060 16312752 17904240 18351846 20142270 20390940 21520080 24170724 24469128 26856360 27187920 27527769 30213405 30586410 32227632 32280120 36703692 40284540 40781880 45879615 48341448 48938256 53712720 55055538 60426810 61172820 64560240 73407384 80569080 81563760 82583307 91759230 96682896 110111076 120853620 122345640 137638845 146814768 161138160 165166614 183518460 220222152 241707240 244691280 247749921 275277690 330333228 367036920 412916535 440444304 483414480 495499842 550555380 660666456 734073840 825833070 990999684 1101110760 1238749605 1321332912 1651666140 1981999368 2202221520 2477499210 3303332280 3963998736 4954998420 6606664560 9909996840 19819993680
• Sum of all divisors σ(n): 71037578304
• Sum of proper divisors (its aliquot sum) s(n): 51217584624
• 19819993680 is an abundant number, because the sum of its proper divisors (51217584624) is greater than itself. Its abundance is 31397590944

Bases of 19819993680

• Binary: 10010011101010111010001101001010000₂
• Hexadecimal: 0x49D5D1A50
• Base-36: 93SB900

Squares and roots of 19819993680

• 19819993680 squared (19819993680²) is 392832149475239942400
• 19819993680 cubed (19819993680³) is 7785930719900070974851564032000
• The square root of 19819993680 is 140783.4993172143
• The cube root of 19819993680 is 2706.2495234529

Scales and comparisons

• 19,819,993,680 seconds is equal to 630 years, 11 weeks, 1 day, 1 hour, 48 minutes.
• To count from 1 to 19,819,993,680 would take you about one thousand, two hundred sixty 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 19819993680 cubic inches would be around 225.5 feet tall.

Recreational maths with 19819993680

• 19819993680 backwards is 08639991891
• The number of decimal digits it has is: 11
• The sum of 19819993680's digits is 63
• More coming soon!