71638838520768

Names of 71638838520768

• Cardinal: 71638838520768 can be written as Seventy-one trillion, six hundred thirty-eight billion, eight hundred thirty-eight million, five hundred twenty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 7.1638838520768 × 10¹³

Factors of 71638838520768

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3466

Divisors of 71638838520768

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 3461 6922 10383 13844 20766 27688 31149 41532 55376 62298 83064 93447 110752 124596 166128 186894 221504 249192 332256 373788 498384 664512 747576 996768 1495152 1993536 2990304 5980608 11978521 23957042 35935563 47914084 71871126 95828168 107806689 143742252 191656336 215613378 287484504 323420067 383312672 431226756 574969008 646840134 766625344 862453512 1149938016 1293680268 1724907024 2299876032 2587360536 3449814048 5174721072 6899628096 10349442144 20698884288
• Sum of all divisors σ(n): 71679008110120
• Sum of proper divisors (its aliquot sum) s(n): 40169589352
• 71638838520768 is a deficient number, because the sum of its proper divisors (40169589352) is less than itself. Its deficiency is 71598668931416

Bases of 71638838520768

• Binary: 10000010010011110110111100001011010101111000000₂
• Hexadecimal: 0x4127B785ABC0
• Base-36: PE6FESMO0

Squares and roots of 71638838520768

• 71638838520768 squared (71638838520768²) is 5132123184604673046367309824
• 71638838520768 cubed (71638838520768³) is 367659344090583793011880569987955714424832
• The square root of 71638838520768 is 8463972.9749549649
• 71638838520768 is a perfect cube number. Its cube root is 41532

Scales and comparisons

• 71,638,838,520,768 seconds is equal to 2,277,893 years, 24 weeks, 3 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 71,638,838,520,768 would take you about five million, six hundred ninety-four thousand, seven 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 71638838520768 cubic inches would be around 3461 feet tall.

Recreational maths with 71638838520768

• 71638838520768 backwards is 86702583883617
• 71638838520768 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 71638838520768's digits is 72
• More coming soon!