397987901168

Names of 397987901168

• Cardinal: 397987901168 can be written as Three hundred ninety-seven billion, nine hundred eighty-seven million, nine hundred one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 3.97987901168 × 10¹¹

Factors of 397987901168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 277

Divisors of 397987901168

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 44 52 88 104 121 143 176 208 242 251 286 484 502 572 968 1004 1144 1573 1936 2008 2288 2761 3146 3263 4016 5522 6292 6526 11044 12584 13052 22088 25168 26104 30371 35893 44176 52208 60742 63001 71786 121484 126002 143572 242968 252004 287144 394823 485936 504008 574288 693011 789646 819013 1008016 1386022 1579292 1638026 2772044 3158584 3276052 5544088 6317168 6552104 7623121 9009143 11088176 13104208 15246242 15813251 18018286 30492484 31626502 36036572 60984968 63253004 72073144 99100573 121969936 126506008 144146288 173945761 198201146 205572263 253012016 347891522 396402292 411144526 695783044 792804584 822289052 1391566088 1585609168 1644578104 1913403371 2261294893 2783132176 3289156208 3826806742 4522589786 7653613484 9045179572 15307226968 18090359144 24874243823 30614453936 36180718288 49748487646 99496975292 198993950584 397987901168
• Sum of all divisors σ(n): 916423563888
• Sum of proper divisors (its aliquot sum) s(n): 518435662720
• 397987901168 is an abundant number, because the sum of its proper divisors (518435662720) is greater than itself. Its abundance is 120447761552

Bases of 397987901168

• Binary: 101110010101001111011010110111011110000₂
• Hexadecimal: 0x5CA9ED6EF0
• Base-36: 52TZPXWW

Squares and roots of 397987901168

• 397987901168 squared (397987901168²) is 158394369476109735764224
• 397987901168 cubed (397987901168³) is 63039042664625637454454576262213632
• The square root of 397987901168 is 630862.8227816251
• The cube root of 397987901168 is 7355.6878315213

Scales and comparisons

• 397,987,901,168 seconds is equal to 12,654 years, 40 weeks, 5 days, 10 hours, 46 minutes, 8 seconds.
• To count from 1 to 397,987,901,168 would take you about twenty-five thousand, three hundred 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 397987901168 cubic inches would be around 613 feet tall.

Recreational maths with 397987901168

• 397987901168 backwards is 861109789793
• The number of decimal digits it has is: 12
• The sum of 397987901168's digits is 68
• More coming soon!