61494849920

Names of 61494849920

• Cardinal: 61494849920 can be written as Sixty-one billion, four hundred ninety-four million, eight hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.149484992 × 10¹⁰

Factors of 61494849920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13726543

Divisors of 61494849920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 13726529 27453058 54906116 68632645 96085703 109812232 137265290 192171406 219624464 274530580 384342812 439248928 480428515 549061160 768685624 878497856 960857030 1098122320 1537371248 1756995712 1921714060 2196244640 3074742496 3843428120 4392489280 6149484992 7686856240 8784978560 12298969984 15373712480 30747424960 61494849920
• Sum of all divisors σ(n): 168012727200
• Sum of proper divisors (its aliquot sum) s(n): 106517877280
• 61494849920 is an abundant number, because the sum of its proper divisors (106517877280) is greater than itself. Its abundance is 45023027360

Bases of 61494849920

• Binary: 111001010001011000001111000110000000₂
• Hexadecimal: 0xE5160F180
• Base-36: S90G1VK

Squares and roots of 61494849920

• 61494849920 squared (61494849920²) is 3781616566683324006400
• 61494849920 cubed (61494849920³) is 232549943223176681940301119488000
• The square root of 61494849920 is 247981.5515718861
• The cube root of 61494849920 is 3947.1132017487

Scales and comparisons

• 61,494,849,920 seconds is equal to 1,955 years, 17 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 61,494,849,920 would take you about three thousand, nine hundred ten 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 61494849920 cubic inches would be around 328.9 feet tall.

Recreational maths with 61494849920

• 61494849920 backwards is 02994849416
• 61494849920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61494849920's digits is 56
• More coming soon!