13458891831

Names of 13458891831

• Cardinal: 13458891831 can be written as Thirteen billion, four hundred fifty-eight million, eight hundred ninety-one thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 1.3458891831 × 10¹⁰

Factors of 13458891831

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2914

Divisors of 13458891831

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 11 21 31 33 61 77 93 121 183 217 231 341 363 427 651 671 847 1023 1281 1891 2013 2387 2541 2801 3751 4697 5673 7161 7381 8403 11253 13237 14091 19607 20801 22143 26257 30811 39711 51667 58821 62403 78771 86831 92433 145607 155001 170861 215677 228811 260493 338921 436821 512583 607817 647031 686433 955141 1016763 1196027 1601677 1823451 1879471 2372447 2865423 3588081 4805031 5296691 5638413 6685987 7117341 10506551 13156297 15890073 20057961 20674181 31519653 37076837 39468891 58263601 62022543 73545857 111230511 144719267 174790803 220637571 407845207 434157801 640899611 1223535621 1922698833 4486297277 13458891831
• Sum of all divisors σ(n): 23659819008
• Sum of proper divisors (its aliquot sum) s(n): 10200927177
• 13458891831 is a deficient number, because the sum of its proper divisors (10200927177) is less than itself. Its deficiency is 3257964654

Bases of 13458891831

• Binary: 1100100010001101100110010000110111₂
• Hexadecimal: 0x322366437
• Base-36: 66L2REF

Squares and roots of 13458891831

• 13458891831 squared (13458891831²) is 181141769318558532561
• 13458891831 cubed (13458891831³) is 2437967479334433870580590409191
• The square root of 13458891831 is 116012.4641191625
• The cube root of 13458891831 is 2378.6822632097

Scales and comparisons

• 13,458,891,831 seconds is equal to 427 years, 49 weeks, 3 days, 5 hours, 3 minutes, 51 seconds.
• To count from 1 to 13,458,891,831 would take you about eight hundred fifty-five 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 13458891831 cubic inches would be around 198.2 feet tall.

Recreational maths with 13458891831

• 13458891831 backwards is 13819885431
• The number of decimal digits it has is: 11
• The sum of 13458891831's digits is 51
• More coming soon!