90149979500

Names of 90149979500

• Cardinal: 90149979500 can be written as Ninety billion, one hundred forty-nine million, nine hundred seventy-nine thousand, five hundred.

Scientific notation

• Scientific notation: 9.01499795 × 10¹⁰

Factors of 90149979500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3679605

Divisors of 90149979500

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 125 140 175 196 245 250 350 490 500 700 875 980 1225 1750 2450 3500 4900 6125 12250 24500 3679591 7359182 14718364 18397955 25757137 36795910 51514274 73591820 91989775 103028548 128785685 180299959 183979550 257571370 360599918 367959100 459948875 515142740 643928425 721199836 901499795 919897750 1287856850 1802999590 1839795500 2575713700 3219642125 3605999180 4507498975 6439284250 9014997950 12878568500 18029995900 22537494875 45074989750 90149979500
• Sum of all divisors σ(n): 229032524448
• Sum of proper divisors (its aliquot sum) s(n): 138882544948
• 90149979500 is an abundant number, because the sum of its proper divisors (138882544948) is greater than itself. Its abundance is 48732565448

Bases of 90149979500

• Binary: 1010011111101010110111000010101101100₂
• Hexadecimal: 0x14FD5B856C
• Base-36: 15EWYXD8

Squares and roots of 90149979500

• 90149979500 squared (90149979500²) is 8127018803850420250000
• 90149979500 cubed (90149979500³) is 732650578563229906603884875000000
• The square root of 90149979500 is 300249.8617818165
• The cube root of 90149979500 is 4483.8926941131

Scales and comparisons

• 90,149,979,500 seconds is equal to 2,866 years, 25 weeks, 3 days, 12 hours, 58 minutes, 20 seconds.
• To count from 1 to 90,149,979,500 would take you about five thousand, seven hundred thirty-two 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 90149979500 cubic inches would be around 373.7 feet tall.

Recreational maths with 90149979500

• 90149979500 backwards is 00597994109
• The number of decimal digits it has is: 11
• The sum of 90149979500's digits is 53
• More coming soon!