18955987302672

Names of 18955987302672

• Cardinal: 18955987302672 can be written as Eighteen trillion, nine hundred fifty-five billion, nine hundred eighty-seven million, three hundred two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8955987302672 × 10¹³

Factors of 18955987302672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 383786603

Divisors of 18955987302672

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 392 441 504 588 686 784 882 1008 1029 1176 1372 1764 2058 2352 2744 3087 3528 4116 5488 6174 7056 8232 12348 16464 24696 49392 383786591 767573182 1151359773 1535146364 2302719546 2686506137 3070292728 3454079319 4605439092 5373012274 6140585456 6908158638 8059518411 9210878184 10746024548 13816317276 16119036822 18421756368 18805542959 21492049096 24178555233 27632634552 32238073644 37611085918 42984098192 48357110466 55265269104 56416628877 64476147288 75222171836 96714220932 112833257754 128952294576 131638800713 150444343672 169249886631 193428441864 225666515508 263277601426 300888687344 338499773262 386856883728 394916402139 451333031016 526555202852 676999546524 789832804278 902666062032 1053110405704 1184749206417 1353999093048 1579665608556 2106220811408 2369498412834 2707998186096 3159331217112 4738996825668 6318662434224 9477993651336 18955987302672
• Sum of all divisors σ(n): 61866398630400
• Sum of proper divisors (its aliquot sum) s(n): 42910411327728
• 18955987302672 is an abundant number, because the sum of its proper divisors (42910411327728) is greater than itself. Its abundance is 23954424025056

Bases of 18955987302672

• Binary: 100010011110110001000111000111011100100010000₂
• Hexadecimal: 0x113D88E3B910
• Base-36: 6PW9DESK0

Squares and roots of 18955987302672

• 18955987302672 squared (18955987302672²) is 359329454619062086138339584
• 18955987302672 cubed (18955987302672³) is 6811444579234995545492005091552926568448
• The square root of 18955987302672 is 4353847.4138021879
• The cube root of 18955987302672 is 26663.3964248787

Scales and comparisons

• 18,955,987,302,672 seconds is equal to 602,741 years, 39 weeks, 4 days, 4 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,955,987,302,672 would take you about one million, five hundred six thousand, eight 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 18955987302672 cubic inches would be around 2221.9 feet tall.

Recreational maths with 18955987302672

• 18955987302672 backwards is 27620378955981
• 18955987302672 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18955987302672's digits is 72
• More coming soon!