981404245840

Names of 981404245840

• Cardinal: 981404245840 can be written as Nine hundred eighty-one billion, four hundred four million, two hundred forty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.8140424584 × 10¹¹

Factors of 981404245840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 26887

Divisors of 981404245840

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 26863 53726 107452 134315 214904 268630 429808 456671 537260 913342 1074520 1826684 2149040 2283355 3653368 4566710 7306736 9133420 18266840 36533680 721620769 1443241538 2886483076 3608103845 5772966152 7216207690 11545932304 12267553073 14432415380 24535106146 28864830760 49070212292 57729661520 61337765365 98140424584 122675530730 196280849168 245351061460 490702122920 981404245840
• Sum of all divisors σ(n): 2416076275284
• Sum of proper divisors (its aliquot sum) s(n): 1434672029444
• 981404245840 is an abundant number, because the sum of its proper divisors (1434672029444) is greater than itself. Its abundance is 453267783604

Bases of 981404245840

• Binary: 1110010010000000010000000101111101010000₂
• Hexadecimal: 0xE480405F50
• Base-36: CIUMQYJ4

Squares and roots of 981404245840

• 981404245840 squared (981404245840²) is 963154293752779157305600
• 981404245840 cubed (981404245840³) is 945243713288004052279573094408704000
• The square root of 981404245840 is 990658.4910250353
• The cube root of 981404245840 is 9937.6259089703

Scales and comparisons

• 981,404,245,840 seconds is equal to 31,205 years, 32 weeks, 1 day, 10 hours, 30 minutes, 40 seconds.
• To count from 1 to 981,404,245,840 would take you about sixty-two thousand, four hundred eleven 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 981404245840 cubic inches would be around 828.1 feet tall.

Recreational maths with 981404245840

• 981404245840 backwards is 048542404189
• The number of decimal digits it has is: 12
• The sum of 981404245840's digits is 49
• More coming soon!