138504211978404618139977

Names of 138504211978404618139977

• Cardinal: 138504211978404618139977 can be written as One hundred thirty-eight sextillion, five hundred four quintillion, two hundred eleven quadrillion, nine hundred seventy-eight trillion, four hundred four billion, six hundred eighteen million, one hundred thirty-nine thousand, nine hundred seventy-seven.

Scientific notation

• Scientific notation: 1.38504211978404618139977 × 10²³

Factors of 138504211978404618139977

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5748820

Divisors of 138504211978404618139977

• Number of divisors d(n): 21
• Complete list of divisors:
  1 3 9 27 81 243 729 5748817 17246451 51739353 155218059 465654177 1396962531 4190887593 33048896899489 99146690698467 297440072095401 892320216286203 2676960648858609 8030881946575827 24092645839727481
• Sum of all divisors σ(n): 138504224008209373012047
• Sum of proper divisors (its aliquot sum) s(n): 12029804754872070
• 138504211978404618139977 is a deficient number, because the sum of its proper divisors (12029804754872070) is less than itself. Its deficiency is 138504199948599863267907

Bases of 138504211978404618139977

• Binary: 11101010101000101010000010000011101111001011111110010011100010111100101001001₂
• Hexadecimal: 0x1D5454107797F2717949
• Base-36: MJYA2J03FPCFRK9

Squares and roots of 138504211978404618139977

• 138504211978404618139977 squared (138504211978404618139977²) is 19183416735758841305743200683928210447165560529
• 138504211978404618139977 cubed (138504211978404618139977³) is 2656984018039617327296344971631749969336758631558736164895016588167833
• The square root of 138504211978404618139977 is 372161540165.5638813627
• 138504211978404618139977 is a perfect cube number. Its cube root is 51739353

Scales and comparisons

• 138,504,211,978,404,618,139,977 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,504,211,978,404,618,139,977 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 138504211978404618139977 cubic inches would be around 4311612.8 feet tall.

Recreational maths with 138504211978404618139977

• 138504211978404618139977 backwards is 779931816404879112405831
• The number of decimal digits it has is: 24
• The sum of 138504211978404618139977's digits is 108
• More coming soon!