989431340920

Names of 989431340920

• Cardinal: 989431340920 can be written as Nine hundred eighty-nine billion, four hundred thirty-one million, three hundred forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.8943134092 × 10¹¹

Factors of 989431340920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1609814

Divisors of 989431340920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 127 220 242 254 440 484 508 605 635 968 1016 1210 1270 1397 2420 2540 2794 4840 5080 5588 6985 11176 13970 15367 27940 30734 55880 61468 76835 122936 153670 307340 614680 1609669 3219338 6438676 8048345 12877352 16096690 17706359 32193380 35412718 64386760 70825436 88531795 141650872 177063590 194769949 204427963 354127180 389539898 408855926 708254360 779079796 817711852 973849745 1022139815 1558159592 1635423704 1947699490 2044279630 2248707593 3895398980 4088559260 4497415186 7790797960 8177118520 8994830372 11243537965 17989660744 22487075930 24735783523 44974151860 49471567046 89948303720 98943134092 123678917615 197886268184 247357835230 494715670460 989431340920
• Sum of all divisors σ(n): 2466271987200
• Sum of proper divisors (its aliquot sum) s(n): 1476840646280
• 989431340920 is an abundant number, because the sum of its proper divisors (1476840646280) is greater than itself. Its abundance is 487409305360

Bases of 989431340920

• Binary: 1110011001011110101101000001111101111000₂
• Hexadecimal: 0xE65EB41F78
• Base-36: CMJDVGQG

Squares and roots of 989431340920

• 989431340920 squared (989431340920²) is 978974378394749266446400
• 989431340920 cubed (989431340920³) is 968627931941440243787247915306688000
• The square root of 989431340920 is 994701.6341194981
• The cube root of 989431340920 is 9964.6462952497

Scales and comparisons

• 989,431,340,920 seconds is equal to 31,460 years, 44 weeks, 3 days, 15 hours, 8 minutes, 40 seconds.
• To count from 1 to 989,431,340,920 would take you about sixty-two thousand, nine hundred twenty-one 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 989431340920 cubic inches would be around 830.4 feet tall.

Recreational maths with 989431340920

• 989431340920 backwards is 029043134989
• The number of decimal digits it has is: 12
• The sum of 989431340920's digits is 52
• More coming soon!