18901155195

Names of 18901155195

• Cardinal: 18901155195 can be written as Eighteen billion, nine hundred one million, one hundred fifty-five thousand, one hundred ninety-five.

Scientific notation

• Scientific notation: 1.8901155195 × 10¹⁰

Factors of 18901155195

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 276172

Divisors of 18901155195

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 5 9 13 15 27 39 45 65 81 117 135 169 195 351 405 507 585 845 1053 1521 1755 2535 4563 5265 7605 13689 22815 68445 276151 828453 1380755 2485359 3589963 4142265 7456077 10769889 12426795 17949815 22368231 32309667 37280385 46669519 53849445 96929001 111841155 140008557 161548335 233347595 290787003 420025671 484645005 700042785 1260077013 1453935015 2100128355 3780231039 6300385065 18901155195
• Sum of all divisors σ(n): 36689002416
• Sum of proper divisors (its aliquot sum) s(n): 17787847221
• 18901155195 is a deficient number, because the sum of its proper divisors (17787847221) is less than itself. Its deficiency is 1113307974

Bases of 18901155195

• Binary: 10001100110100110001011110101111011₂
• Hexadecimal: 0x46698BD7B
• Base-36: 8OL9COR

Squares and roots of 18901155195

• 18901155195 squared (18901155195²) is 357253667705475488025
• 18901155195 cubed (18901155195³) is 6752507017284151750428889039875
• The square root of 18901155195 is 137481.4721880735
• The cube root of 18901155195 is 2663.7662740831

Scales and comparisons

• 18,901,155,195 seconds is equal to 600 years, 51 weeks, 6 days, 8 hours, 53 minutes, 15 seconds.
• To count from 1 to 18,901,155,195 would take you about one thousand, two hundred one 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 18901155195 cubic inches would be around 222 feet tall.

Recreational maths with 18901155195

• 18901155195 backwards is 59155110981
• 18901155195 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18901155195's digits is 45
• More coming soon!