19727272872

Names of 19727272872

• Cardinal: 19727272872 can be written as Nineteen billion, seven hundred twenty-seven million, two hundred seventy-two thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.9727272872 × 10¹⁰

Factors of 19727272872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5372373

Divisors of 19727272872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1224 1836 3672 5372351 10744702 16117053 21489404 32234106 42978808 48351159 64468212 91329967 96702318 128936424 145053477 182659934 193404636 273989901 290106954 365319868 386809272 547979802 580213908 730639736 821969703 1095959604 1160427816 1643939406 2191919208 2465909109 3287878812 4931818218 6575757624 9863636436 19727272872
• Sum of all divisors σ(n): 58021401600
• Sum of proper divisors (its aliquot sum) s(n): 38294128728
• 19727272872 is an abundant number, because the sum of its proper divisors (38294128728) is greater than itself. Its abundance is 18566855856

Bases of 19727272872

• Binary: 10010010111110101100100101110101000₂
• Hexadecimal: 0x497D64BA8
• Base-36: 9293X60

Squares and roots of 19727272872

• 19727272872 squared (19727272872²) is 389165294966347128384
• 19727272872 cubed (19727272872³) is 7677169966113497858704784398848
• The square root of 19727272872 is 140453.8104573885
• The cube root of 19727272872 is 2702.0228495277

Scales and comparisons

• 19,727,272,872 seconds is equal to 627 years, 13 weeks, 5 days, 22 hours, 1 minute, 12 seconds.
• To count from 1 to 19,727,272,872 would take you about one thousand, two hundred fifty-four 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 19727272872 cubic inches would be around 225.2 feet tall.

Recreational maths with 19727272872

• 19727272872 backwards is 27827272791
• 19727272872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19727272872's digits is 54
• More coming soon!