990661020844

Names of 990661020844

• Cardinal: 990661020844 can be written as Nine hundred ninety billion, six hundred sixty-one million, twenty thousand, eight hundred forty-four.

Scientific notation

• Scientific notation: 9.90661020844 × 10¹¹

Factors of 990661020844

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2507

Divisors of 990661020844

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 22 31 44 61 62 121 122 124 242 244 341 484 601 671 682 1202 1342 1364 1801 1891 2404 2684 3602 3751 3782 6611 7204 7381 7502 7564 13222 14762 15004 18631 19811 20801 26444 29524 36661 37262 39622 41602 55831 72721 73322 74524 79244 83204 109861 111662 145442 146644 204941 217921 219722 223324 228811 290884 403271 409882 435842 439444 457622 614141 806542 819764 871684 915244 1082401 1136491 1208471 1228282 1613084 2164802 2254351 2272982 2416942 2456564 3405691 4329604 4435981 4508702 4545964 4833884 6755551 6811382 8871962 9017404 11906411 12501401 13293181 13511102 13622764 17743924 23812822 25002802 26586362 27022204 33554431 37462601 47625644 50005604 53172724 66026461 67108862 74925202 130970521 132052922 134217724 137515411 149850404 261941042 264105844 275030822 369098741 412088611 523882084 550061644 726291071 738197482 824177222 1452582142 1476394964 1648354444 2046820291 2905164284 4060086151 4093640582 7989201781 8120172302 8187281164 15978403562 16240344604 22515023201 31956807124 45030046402 90060092804 247665255211 495330510422 990661020844
• Sum of all divisors σ(n): 2003745807616
• Sum of proper divisors (its aliquot sum) s(n): 1013084786772
• 990661020844 is an abundant number, because the sum of its proper divisors (1013084786772) is greater than itself. Its abundance is 22423765928

Bases of 990661020844

• Binary: 1110011010100111111111111000110010101100₂
• Hexadecimal: 0xE6A7FF8CAC
• Base-36: CN3PZRU4

Squares and roots of 990661020844

• 990661020844 squared (990661020844²) is 981409258219676202472336
• 990661020844 cubed (990661020844³) is 972243897613657224748377618429371584
• The square root of 990661020844 is 995319.5571493609
• The cube root of 990661020844 is 9968.7726562847

Scales and comparisons

• 990,661,020,844 seconds is equal to 31,499 years, 49 weeks, 5 days, 54 minutes, 4 seconds.
• To count from 1 to 990,661,020,844 would take you about sixty-two thousand, nine hundred ninety-nine 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 990661020844 cubic inches would be around 830.7 feet tall.

Recreational maths with 990661020844

• 990661020844 backwards is 448020166099
• The number of decimal digits it has is: 12
• The sum of 990661020844's digits is 49
• More coming soon!