18193332472

Names of 18193332472

• Cardinal: 18193332472 can be written as Eighteen billion, one hundred ninety-three million, three hundred thirty-two thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8193332472 × 10¹⁰

Factors of 18193332472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 440

Divisors of 18193332472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 53 56 61 106 122 212 244 317 371 424 427 488 634 742 854 1268 1484 1708 2219 2536 2968 3233 3416 4438 6466 8876 12932 16801 17752 19337 22631 25864 33602 38674 45262 67204 77348 90524 100489 117607 134408 135359 154696 181048 200978 235214 270718 401956 470428 541436 703423 803912 940856 1024861 1082872 1406846 2049722 2813692 4099444 5325917 5627384 6129829 7174027 8198888 10651834 12259658 14348054 21303668 24519316 28696108 37281419 42607336 42908803 49038632 57392216 74562838 85817606 149125676 171635212 298251352 324880937 343270424 649761874 1299523748 2274166559 2599047496 4548333118 9096666236 18193332472
• Sum of all divisors σ(n): 40500220320
• Sum of proper divisors (its aliquot sum) s(n): 22306887848
• 18193332472 is an abundant number, because the sum of its proper divisors (22306887848) is greater than itself. Its abundance is 4113555376

Bases of 18193332472

• Binary: 10000111100011010000011100011111000₂
• Hexadecimal: 0x43C6838F8
• Base-36: 8CVU96G

Squares and roots of 18193332472

• 18193332472 squared (18193332472²) is 330997346436729630784
• 18193332472 cubed (18193332472³) is 6021944771073186685227118018048
• The square root of 18193332472 is 134882.6618657859
• The cube root of 18193332472 is 2630.0908599163

Scales and comparisons

• 18,193,332,472 seconds is equal to 578 years, 25 weeks, 3 days, 23 hours, 27 minutes, 52 seconds.
• To count from 1 to 18,193,332,472 would take you about one thousand, one hundred fifty-six 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 18193332472 cubic inches would be around 219.2 feet tall.

Recreational maths with 18193332472

• 18193332472 backwards is 27423339181
• The number of decimal digits it has is: 11
• The sum of 18193332472's digits is 43
• More coming soon!