121620064489

Names of 121620064489

• Cardinal: 121620064489 can be written as One hundred twenty-one billion, six hundred twenty million, sixty-four thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 1.21620064489 × 10¹¹

Factors of 121620064489

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1118

Divisors of 121620064489

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 11 61 77 137 331 427 571 671 959 1507 2317 3641 3997 4697 6281 8357 10549 20191 25487 34831 43967 45347 58499 78227 91927 141337 189001 222101 243817 317429 383141 498817 547589 643489 860497 1323007 1554707 2079011 2681987 2766167 3491719 4771847 6023479 11529061 14553077 19363169 25893137 30427837 33402929 52490317 80703427 126819671 181251959 212994859 284824507 367432219 887737697 1579481357 1993771549 11056369499 17374294927 121620064489
• Sum of all divisors σ(n): 155982587904
• Sum of proper divisors (its aliquot sum) s(n): 34362523415
• 121620064489 is a deficient number, because the sum of its proper divisors (34362523415) is less than itself. Its deficiency is 87257541074

Bases of 121620064489

• Binary: 1110001010001000111101110100011101001₂
• Hexadecimal: 0x1C511EE8E9
• Base-36: 1JVDG2CP

Squares and roots of 121620064489

• 121620064489 squared (121620064489²) is 14791440086308518831121
• 121620064489 cubed (121620064489³) is 1798935897182021786191006920162169
• The square root of 121620064489 is 348740.6837307629
• The cube root of 121620064489 is 4954.5217938883

Scales and comparisons

• 121,620,064,489 seconds is equal to 3,867 years, 7 weeks, 2 days, 15 hours, 14 minutes, 49 seconds.
• To count from 1 to 121,620,064,489 would take you about seven thousand, seven hundred thirty-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 121620064489 cubic inches would be around 412.9 feet tall.

Recreational maths with 121620064489

• 121620064489 backwards is 984460026121
• The number of decimal digits it has is: 12
• The sum of 121620064489's digits is 43
• More coming soon!