72990431266259968

Names of 72990431266259968

• Cardinal: 72990431266259968 can be written as Seventy-two quadrillion, nine hundred ninety trillion, four hundred thirty-one billion, two hundred sixty-six million, two hundred fifty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2990431266259968 × 10¹⁶

Factors of 72990431266259968

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 988222

Divisors of 72990431266259968

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 4 8 16 32 64 73 128 146 256 292 512 584 1024 1168 2336 4672 9344 18688 37376 74752 988147 1976294 3952588 7905176 15810352 31620704 63241408 72134731 126482816 144269462 252965632 288538924 505931264 577077848 1011862528 1154155696 2308311392 4616622784 9233245568 18466491136 36932982272 73865964544 976434493609 1952868987218 3905737974436 7811475948872 15622951897744 31245903795488 62491807590976 71279718033457 124983615181952 142559436066914 249967230363904 285118872133828 499934460727808 570237744267656 999868921455616 1140475488535312 2280950977070624 4561901954141248 9123803908282496 18247607816564992 36495215633129984 72990431266259968
• Sum of all divisors σ(n): 147908493905586846
• Sum of proper divisors (its aliquot sum) s(n): 74918062639326878
• 72990431266259968 is an abundant number, because the sum of its proper divisors (74918062639326878) is greater than itself. Its abundance is 1927631373066910

Bases of 72990431266259968

• Binary: 100000011010100000110100100010111101000001100010000000000₂
• Hexadecimal: 0x103506917A0C400
• Base-36: JYOY57UUCCG

Squares and roots of 72990431266259968

• 72990431266259968 squared (72990431266259968²) is 5327603056434620715626786559361024
• 72990431266259968 cubed (72990431266259968³) is 388864044704607708678111891947693515599640350687232
• The square root of 72990431266259968 is 270167413.4055770389
• The cube root of 72990431266259968 is 417915.6581169239

Scales and comparisons

• 72,990,431,266,259,968 seconds is equal to 2,320,869,940 years, 2 weeks, 7 hours, 19 minutes, 28 seconds.
• To count from 1 to 72,990,431,266,259,968 would take you about six billion, nine hundred sixty-two million, six hundred nine thousand, eight hundred twenty 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 72990431266259968 cubic inches would be around 34826.3 feet tall.

Recreational maths with 72990431266259968

• 72990431266259968 backwards is 86995266213409927
• The number of decimal digits it has is: 17
• The sum of 72990431266259968's digits is 88
• More coming soon!