10128643980

Names of 10128643980

• Cardinal: 10128643980 can be written as Ten billion, one hundred twenty-eight million, six hundred forty-three thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.012864398 × 10¹⁰

Factors of 10128643980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6236

Divisors of 10128643980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 43 49 52 60 65 70 78 84 86 91 98 105 129 130 140 147 156 172 182 195 196 210 215 245 258 260 273 294 301 364 390 420 430 455 490 516 546 559 588 602 637 645 735 780 860 903 910 980 1092 1118 1204 1274 1290 1365 1470 1505 1677 1806 1820 1911 2107 2236 2548 2580 2730 2795 2940 3010 3185 3354 3612 3822 3913 4214 4515 5460 5590 6020 6163 6321 6370 6708 7644 7826 8385 8428 9030 9555 10535 11180 11739 12326 12642 12740 15652 16770 18060 18489 19110 19565 21070 23478 24652 25284 27391 30815 31605 33540 36978 38220 39130 42140 43141 46956 54782 58695 61630 63210 73956 78260 80119 82173 86282 92445 109564 117390 123260 126420 129423 136955 160238 164346 172564 184890 215705 234780 240357 258846 265009 273910 301987 320476 328692 369780 400595 410865 431410 480714 517692 530018 547820 560833 603974 647115 795027 801190 821730 862820 905961 961428 1060036 1121666 1201785 1207948 1294230 1325045 1509935 1590054 1602380 1643460 1682499 1811922 1855063 2243332 2403570 2588460 2650090 2804165 3019870 3180108 3364998 3445117 3623844 3710126 3925831 3975135 4529805 4807140 5300180 5565189 5608330 6039740 6729996 6890234 7420252 7851662 7950270 8412495 9059610 9275315 10335351 11130378 11216660 11777493 12985441 13780468 15703324 15900540 16824990 17225585 18119220 18550630 19629155 20670702 22260756 23554986 24115819 25970882 27825945 33649980 34451170 37101260 38956323 39258310 41341404 47109972 48231638 51676755 51941764 55651890 58887465 64927205 68902340 72347457 77912646 78516620 96463276 103353510 111303780 117774930 120579095 129854410 144694914 155825292 168810733 194781615 206707020 235549860 241158190 259708820 289389828 337621466 361737285 389563230 482316380 506432199 675242932 723474570 779126460 844053665 1012864398 1446949140 1688107330 2025728796 2532160995 3376214660 5064321990 10128643980
• Sum of all divisors σ(n): 36360301824
• Sum of proper divisors (its aliquot sum) s(n): 26231657844
• 10128643980 is an abundant number, because the sum of its proper divisors (26231657844) is greater than itself. Its abundance is 16103013864

Bases of 10128643980

• Binary: 1001011011101101101101011110001100₂
• Hexadecimal: 0x25BB6D78C
• Base-36: 4NIBZPO

Squares and roots of 10128643980

• 10128643980 squared (10128643980²) is 102589428873590240400
• 10128643980 cubed (10128643980³) is 1039091801172127969414212792000
• The square root of 10128643980 is 100641.1644407993
• The cube root of 10128643980 is 2163.6338566081

Scales and comparisons

• 10,128,643,980 seconds is equal to 322 years, 3 weeks, 16 hours, 13 minutes.
• To count from 1 to 10,128,643,980 would take you about six hundred forty-four 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 10128643980 cubic inches would be around 180.3 feet tall.

Recreational maths with 10128643980

• 10128643980 backwards is 08934682101
• 10128643980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 10128643980's digits is 42
• More coming soon!