18459991462640

Names of 18459991462640

• Cardinal: 18459991462640 can be written as Eighteen trillion, four hundred fifty-nine billion, nine hundred ninety-one million, four hundred sixty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.845999146264 × 10¹³

Factors of 18459991462640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2535713140

Divisors of 18459991462640

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 2535713113 5071426226 10142852452 12678565565 17749991791 20285704904 25357131130 32964270469 35499983582 40571409808 50714262260 65928540938 70999967164 88749958955 101428524520 131857081876 141999934328 164821352345 177499917910 202857049040 230749893283 263714163752 283999868656 329642704690 354999835820 461499786566 527428327504 659285409380 709999671640 922999573132 1153749466415 1318570818760 1419999343280 1845999146264 2307498932830 2637141637520 3691998292528 4614997865660 9229995731320 18459991462640
• Sum of all divisors σ(n): 52823975590848
• Sum of proper divisors (its aliquot sum) s(n): 34363984128208
• 18459991462640 is an abundant number, because the sum of its proper divisors (34363984128208) is greater than itself. Its abundance is 15903992665568

Bases of 18459991462640

• Binary: 100001100101000001101001110111101001011110000₂
• Hexadecimal: 0x10CA0D3BD2F0
• Base-36: 6JKEIAL0W

Squares and roots of 18459991462640

• 18459991462640 squared (18459991462640²) is 340771284800741686515769600
• 18459991462640 cubed (18459991462640³) is 6290635008134555526621062023729247744000
• The square root of 18459991462640 is 4296509.2182654513
• The cube root of 18459991462640 is 26428.7830122343

Scales and comparisons

• 18,459,991,462,640 seconds is equal to 586,970 years, 32 weeks, 4 days, 14 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,459,991,462,640 would take you about one million, four hundred sixty-seven thousand, four hundred twenty-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 18459991462640 cubic inches would be around 2202.4 feet tall.

Recreational maths with 18459991462640

• 18459991462640 backwards is 04626419995481
• The number of decimal digits it has is: 14
• The sum of 18459991462640's digits is 68
• More coming soon!