989991290512

Names of 989991290512

• Cardinal: 989991290512 can be written as Nine hundred eighty-nine billion, nine hundred ninety-one million, two hundred ninety thousand, five hundred twelve.

Scientific notation

• Scientific notation: 9.89991290512 × 10¹¹

Factors of 989991290512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1253

Divisors of 989991290512

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 151 196 302 343 392 604 686 784 1057 1093 1208 1372 2114 2186 2416 2744 4228 4372 5488 7399 7651 8456 8744 14798 15302 16912 17488 29596 30604 51793 53557 59192 61208 103586 107114 118384 122416 165043 207172 214228 330086 374899 414344 428456 660172 749798 828688 856912 1155301 1194649 1320344 1499596 2310602 2389298 2640688 2999192 4621204 4778596 5998384 8087107 8362543 9242408 9557192 16174214 16725086 18484816 19114384 32348428 33450172 56609749 58537801 64696856 66900344 113219498 117075602 129393712 133800688 180391999 226438996 234151204 360783998 409764607 452877992 468302408 721567996 819529214 905755984 936604816 1262743993 1443135992 1639058428 2525487986 2886271984 3278116856 5050975972 6556233712 8839207951 10101951944 17678415902 20203903888 35356831804 61874455657 70713663608 123748911314 141427327216 247497822628 494995645256 989991290512
• Sum of all divisors σ(n): 2253736406400
• Sum of proper divisors (its aliquot sum) s(n): 1263745115888
• 989991290512 is an abundant number, because the sum of its proper divisors (1263745115888) is greater than itself. Its abundance is 273753825376

Bases of 989991290512

• Binary: 1110011010000000000101000100011010010000₂
• Hexadecimal: 0xE680144690
• Base-36: CMSN94LS

Squares and roots of 989991290512

• 989991290512 squared (989991290512²) is 980082755289615181222144
• 989991290512 cubed (989991290512³) is 970273391717722827569977087911497728
• The square root of 989991290512 is 994983.0604145983
• The cube root of 989991290512 is 9966.5257072421

Scales and comparisons

• 989,991,290,512 seconds is equal to 31,478 years, 34 weeks, 2 days, 12 hours, 41 minutes, 52 seconds.
• To count from 1 to 989,991,290,512 would take you about sixty-two thousand, nine hundred fifty-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 989991290512 cubic inches would be around 830.5 feet tall.

Recreational maths with 989991290512

• 989991290512 backwards is 215092199989
• The number of decimal digits it has is: 12
• The sum of 989991290512's digits is 64
• More coming soon!