990461388880

Names of 990461388880

• Cardinal: 990461388880 can be written as Nine hundred ninety billion, four hundred sixty-one million, three hundred eighty-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 9.9046138888 × 10¹¹

Factors of 990461388880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3879

Divisors of 990461388880

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 331 340 662 680 811 1324 1360 1622 1655 2648 2713 3244 3310 4055 5296 5426 5627 6488 6620 8110 10852 11254 12976 13240 13565 13787 16220 21704 22508 26480 27130 27574 28135 32440 43408 45016 46121 54260 55148 56270 64880 68935 90032 92242 108520 110296 112540 137870 184484 217040 220592 225080 230605 268441 275740 368968 450160 461210 536882 551480 737936 898003 922420 1073764 1102960 1342205 1796006 1844840 2147528 2200243 2684410 3592012 3689680 4295056 4400486 4490015 4563497 5368820 7184024 8800972 8980030 9126994 10737640 11001215 14368048 15266051 17601944 17960060 18253988 21475280 22002430 22817485 30532102 35203888 35920120 36507976 37404131 44004860 45634970 61064204 71840240 73015952 74808262 76330255 88009720 91269940 122128408 149616524 152660510 176019440 182539880 187020655 244256816 299233048 305321020 365079760 374041310 598466096 610642040 728280433 748082620 1221284080 1456560866 1496165240 2913121732 2992330480 3641402165 5826243464 7282804330 11652486928 12380767361 14565608660 24761534722 29131217320 49523069444 58262434640 61903836805 99046138888 123807673610 198092277776 247615347220 495230694440 990461388880
• Sum of all divisors σ(n): 2449567467648
• Sum of proper divisors (its aliquot sum) s(n): 1459106078768
• 990461388880 is an abundant number, because the sum of its proper divisors (1459106078768) is greater than itself. Its abundance is 468644689888

Bases of 990461388880

• Binary: 1110011010011100000110010110100001010000₂
• Hexadecimal: 0xE69C196850
• Base-36: CN0F4YTS

Squares and roots of 990461388880

• 990461388880 squared (990461388880²) is 981013762862098587654400
• 990461388880 cubed (990461388880³) is 971656254074789131039663445443072000
• The square root of 990461388880 is 995219.2667347233
• The cube root of 990461388880 is 9968.1029958883

Scales and comparisons

• 990,461,388,880 seconds is equal to 31,493 years, 31 weeks, 4 days, 11 hours, 34 minutes, 40 seconds.
• To count from 1 to 990,461,388,880 would take you about sixty-two thousand, nine hundred eighty-seven 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 990461388880 cubic inches would be around 830.7 feet tall.

Recreational maths with 990461388880

• 990461388880 backwards is 088883164099
• The number of decimal digits it has is: 12
• The sum of 990461388880's digits is 64
• More coming soon!