121745387490565861567

Names of 121745387490565861567

• Cardinal: 121745387490565861567 can be written as One hundred twenty-one quintillion, seven hundred forty-five quadrillion, three hundred eighty-seven trillion, four hundred ninety billion, five hundred sixty-five million, eight hundred sixty-one thousand, five hundred sixty-seven.

Scientific notation

• Scientific notation: 1.21745387490565861567 × 10²⁰

Factors of 121745387490565861567

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1581

Divisors of 121745387490565861567

• Number of divisors d(n): 48
• Complete list of divisors:
  1 43 79 1459 1849 3397 6241 62737 79507 115261 146071 268363 493039 2128681 2697691 4956223 6281053 9105619 11539609 21200677 91533283 116000713 168165799 213117589 391541617 496203187 719343901 911629111 3935931169 7231129357 9164056327 13285098121 16836289531 30931787743 39200051773 169245040267 310938562351 571259219203 723960449833 1049522751559 1330066872949 13370358181093 24564146425729 45129478317037 57192875536807 1056258296306347 1940567567632591 83444405408201413
• Sum of all divisors σ(n): 121748528852032124154
• Sum of proper divisors (its aliquot sum) s(n): 3141361466262587
• 121745387490565861567 is a deficient number, because the sum of its proper divisors (3141361466262587) is less than itself. Its deficiency is 121742246129099598980

Bases of 121745387490565861567

• Binary: 1101001100110001110100000001110001101010001011101101011000010111111₂
• Hexadecimal: 0x6998E80E35176B0BF
• Base-36: POYPU1JNCMFNJ

Squares and roots of 121745387490565861567

• 121745387490565861567 squared (121745387490565861567²) is 14821939375228030571580547392973007695489
• 121745387490565861567 cubed (121745387490565861567³) is 1804502752598812254887485458465366599212565700955882464371263
• The square root of 121745387490565861567 is 11033829230.6236941129
• 121745387490565861567 is a perfect cube number. Its cube root is 4956223

Scales and comparisons

• 121,745,387,490,565,861,567 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,745,387,490,565,861,567 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121745387490565861567 cubic inches would be around 413018.6 feet tall.

Recreational maths with 121745387490565861567

• 121745387490565861567 backwards is 765168565094783547121
• The number of decimal digits it has is: 21
• The sum of 121745387490565861567's digits is 100
• More coming soon!