21379115546413442

Names of 21379115546413442

• Cardinal: 21379115546413442 can be written as Twenty-one quadrillion, three hundred seventy-nine trillion, one hundred fifteen billion, five hundred forty-six million, four hundred thirteen thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.1379115546413442 × 10¹⁶

Factors of 21379115546413442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 108379

Divisors of 21379115546413442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 31 62 109 218 1153 2306 3379 6758 35743 42451 64633 71486 84902 125677 129266 251354 1315981 2003623 2631962 3895987 4007246 4627159 7044997 7791974 9254318 14089994 48946003 74521849 97892006 143441929 149043698 218394907 286883858 436789814 1517326093 2310177319 2743735483 3034652186 4620354638 5335114327 5487470966 8122881541 10670228654 16245763082 85055799973 165388544137 170111599946 251809327771 299067167647 330777088274 503618655542 598134335294 3163527011899 6327054023798 9271082197057 18542164394114 98069337368869 196138674737738 344824444296991 689648888593982 10689557773206721 21379115546413442
• Sum of all divisors σ(n): 33437124055864320
• Sum of proper divisors (its aliquot sum) s(n): 12058008509450878
• 21379115546413442 is a deficient number, because the sum of its proper divisors (12058008509450878) is less than itself. Its deficiency is 9321107036962564

Bases of 21379115546413442

• Binary: 1001011111101000011000100111011110000011000100110000010₂
• Hexadecimal: 0x4BF4313BC18982
• Base-36: 5UI9I3FXFUQ

Squares and roots of 21379115546413442

• 21379115546413442 squared (21379115546413442²) is 457066581546896926695309598287364
• 21379115546413442 cubed (21379115546413442³) is 9771679259295311335179227997195160858695868346888
• The square root of 21379115546413442 is 146215989.3664623877
• The cube root of 21379115546413442 is 277542.7655711101

Scales and comparisons

• 21,379,115,546,413,442 seconds is equal to 679,789,744 years, 22 weeks, 2 days, 9 hours, 4 minutes, 2 seconds.
• To count from 1 to 21,379,115,546,413,442 would take you about two billion, thirty-nine million, three hundred sixty-nine thousand, two hundred thirty-three 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 21379115546413442 cubic inches would be around 23128.6 feet tall.

Recreational maths with 21379115546413442

• 21379115546413442 backwards is 24431464551197312
• 21379115546413442 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21379115546413442's digits is 62
• More coming soon!