9981224640

Names of 9981224640

• Cardinal: 9981224640 can be written as Nine billion, nine hundred eighty-one million, two hundred twenty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.98122464 × 10⁹

Factors of 9981224640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1107

Divisors of 9981224640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 64 72 80 87 90 96 116 120 127 144 145 160 174 180 192 232 240 254 261 288 290 320 348 360 381 435 464 480 508 522 576 580 635 696 720 762 870 928 941 960 1016 1044 1143 1160 1270 1305 1392 1440 1524 1740 1856 1882 1905 2032 2088 2286 2320 2540 2610 2784 2823 2880 3048 3480 3683 3764 3810 4064 4176 4572 4640 4705 5080 5220 5568 5646 5715 6096 6960 7366 7528 7620 8128 8352 8469 9144 9280 9410 10160 10440 11049 11292 11430 12192 13920 14115 14732 15056 15240 16704 16938 18288 18415 18820 20320 20880 22098 22584 22860 24384 27289 27840 28230 29464 30112 30480 33147 33876 36576 36830 37640 40640 41760 42345 44196 45168 45720 54578 55245 56460 58928 60224 60960 66294 67752 73152 73660 75280 81867 83520 84690 88392 90336 91440 109156 110490 112920 117856 119507 121920 132588 135504 136445 147320 150560 163734 165735 169380 176784 180672 182880 218312 220980 225840 235712 239014 245601 265176 271008 272890 294640 301120 327468 331470 338760 353568 358521 365760 409335 436624 441960 451680 478028 491202 530352 542016 545780 589280 597535 654936 662940 677520 707136 717042 818670 873248 883920 903360 956056 982404 1060704 1075563 1091560 1178560 1195070 1228005 1309872 1325880 1355040 1434084 1637340 1746496 1767840 1792605 1912112 1964808 2121408 2151126 2183120 2390140 2456010 2619744 2651760 2710080 2868168 3274680 3465703 3535680 3585210 3824224 3929616 4302252 4366240 4780280 4912020 5239488 5303520 5377815 5736336 6549360 6931406 7170420 7648448 7859232 8604504 8732480 9560560 9824040 10397109 10607040 10755630 11472672 13098720 13862812 14340840 15718464 17209008 17328515 19121120 19648080 20794218 21511260 22945344 26197440 27725624 28681680 31191327 34418016 34657030 38242240 39296160 41588436 43022520 51985545 55451248 57363360 62382654 68836032 69314060 78592320 83176872 86045040 103971090 110902496 114726720 124765308 138628120 155956635 166353744 172090080 207942180 221804992 249530616 277256240 311913270 332707488 344180160 415884360 499061232 554512480 623826540 665414976 831768720 998122464 1109024960 1247653080 1663537440 1996244928 2495306160 3327074880 4990612320 9981224640
• Sum of all divisors σ(n): 35832775680
• Sum of proper divisors (its aliquot sum) s(n): 25851551040
• 9981224640 is an abundant number, because the sum of its proper divisors (25851551040) is greater than itself. Its abundance is 15870326400

Bases of 9981224640

• Binary: 1001010010111011010110011011000000₂
• Hexadecimal: 0x252ED66C0
• Base-36: 4L2KA80

Squares and roots of 9981224640

• 9981224640 squared (9981224640²) is 99624845314143129600
• 9981224640 cubed (9981224640³) is 994377960805713945650233344000
• The square root of 9981224640 is 99906.0790943173
• The cube root of 9981224640 is 2153.0855023997

Scales and comparisons

• 9,981,224,640 seconds is equal to 317 years, 19 weeks, 2 days, 10 hours, 24 minutes.
• To count from 1 to 9,981,224,640 would take you about six hundred thirty-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 9981224640 cubic inches would be around 179.4 feet tall.

Recreational maths with 9981224640

• 9981224640 backwards is 0464221899
• 9981224640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9981224640's digits is 45
• More coming soon!