138301912520901801

Names of 138301912520901801

• Cardinal: 138301912520901801 can be written as One hundred thirty-eight quadrillion, three hundred one trillion, nine hundred twelve billion, five hundred twenty million, nine hundred one thousand, eight hundred one.

Scientific notation

• Scientific notation: 1.38301912520901801 × 10¹⁷

Factors of 138301912520901801

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 129410

Divisors of 138301912520901801

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 7 9 21 49 63 137 147 411 441 959 1233 2877 6713 8631 18769 20139 56307 60417 129263 131383 168921 387789 394149 904841 919681 1163367 1182447 2714523 2759043 6333887 8143569 8277129 17709031 19001661 53127093 57004983 123963217 159381279 371889651 867742519 1115668953 2426137247 2603227557 7278411741 7809682671 16708923169 16982960729 21835235223 50126769507 50948882187 116962462183 118880725103 150380308521 152846646561 350887386549 356642175309 818737235281 1052662159647 1069926525927 2289122474153 2456211705843 6867367422459 7368635117529 16023857319071 20602102267377 48071571957213 112167001233497 144214715871639 313609778958961 336501003700491 940829336876883 1009503011101473 2195268452712727 2822488010630649 6585805358138181 15366879168989089 19757416074414543 46100637506967267 138301912520901801
• Sum of all divisors σ(n): 234095278273891671
• Sum of proper divisors (its aliquot sum) s(n): 95793365752989870
• 138301912520901801 is a deficient number, because the sum of its proper divisors (95793365752989870) is less than itself. Its deficiency is 42508546767911931

Bases of 138301912520901801

• Binary: 111101011010110001101101101001111100100001100010010101001₂
• Hexadecimal: 0x1EB58DB4F90C4A9
• Base-36: 11TRXPI1DRC9

Squares and roots of 138301912520901801

• 138301912520901801 squared (138301912520901801²) is 19127419006939174356425710285043601
• 138301912520901801 cubed (138301912520901801³) is 2645358630248336090391292638094763431848547124425401
• 138301912520901801 is a perfect square number. Its square root is 371889651
• The cube root of 138301912520901801 is 517141.5053384355

Scales and comparisons

• 138,301,912,520,901,801 seconds is equal to 4,397,573,022 years, 13 weeks, 4 days, 43 minutes, 21 seconds.
• To count from 1 to 138,301,912,520,901,801 would take you about thirteen billion, one hundred ninety-two million, seven hundred nineteen thousand and sixty-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 138301912520901801 cubic inches would be around 43095.1 feet tall.

Recreational maths with 138301912520901801

• 138301912520901801 backwards is 108109025219103831
• The number of decimal digits it has is: 18
• The sum of 138301912520901801's digits is 54
• More coming soon!