72380428662717128

Names of 72380428662717128

• Cardinal: 72380428662717128 can be written as Seventy-two quadrillion, three hundred eighty trillion, four hundred twenty-eight billion, six hundred sixty-two million, seven hundred seventeen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2380428662717128 × 10¹⁶

Factors of 72380428662717128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18942

Divisors of 72380428662717128

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 71 142 284 568 5041 10082 18869 20164 37738 40328 75476 150952 357911 715822 1339699 1431644 2679398 2863288 5358796 10717592 25411681 50823362 95118629 101646724 190237258 203293448 356039161 380474516 712078322 760949032 1424156644 2848313288 6753422659 13506845318 25278780431 27013690636 50557560862 54027381272 101115121724 202230243448 479493008789 958986017578 1794793410601 1917972035156 3589586821202 3835944070312 7179173642404 14358347284808 127430332152671 254860664305342 509721328610684 1019442657221368 9047553582839641 18095107165679282 36190214331358564 72380428662717128
• Sum of all divisors σ(n): 137659360678587825
• Sum of proper divisors (its aliquot sum) s(n): 65278932015870697
• 72380428662717128 is a deficient number, because the sum of its proper divisors (65278932015870697) is less than itself. Its deficiency is 7101496646846431

Bases of 72380428662717128

• Binary: 100000001001001011001110111001011001000011011101011001000₂
• Hexadecimal: 0x101259DCB21BAC8
• Base-36: JSOPXW2HS5K

Squares and roots of 72380428662717128

• 72380428662717128 squared (72380428662717128²) is 5238926453398683174335559744568384
• 72380428662717128 cubed (72380428662717128³) is 379195742429445035794407582209015771381125044081152
• The square root of 72380428662717128 is 269036110.3322695749
• The cube root of 72380428662717128 is 416748.1848606363

Scales and comparisons

• 72,380,428,662,717,128 seconds is equal to 2,301,473,744 years, 5 weeks, 4 days, 12 hours, 32 minutes, 8 seconds.
• To count from 1 to 72,380,428,662,717,128 would take you about six billion, nine hundred four million, four hundred twenty-one thousand, two hundred thirty-two 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 72380428662717128 cubic inches would be around 34729 feet tall.

Recreational maths with 72380428662717128

• 72380428662717128 backwards is 82171726682408327
• The number of decimal digits it has is: 17
• The sum of 72380428662717128's digits is 74
• More coming soon!