397988402688

Names of 397988402688

• Cardinal: 397988402688 can be written as Three hundred ninety-seven billion, nine hundred eighty-eight million, four hundred two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 3.97988402688 × 10¹¹

Factors of 397988402688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 86369016

Divisors of 397988402688

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 86369011 172738022 259107033 345476044 518214066 690952088 777321099 1036428132 1381904176 1554642198 2072856264 2763808352 3109284396 4145712528 5527616704 6218568792 8291425056 11055233408 12437137584 16582850112 22110466816 24874275168 33165700224 44220933632 49748550336 66331400448 99497100672 132662800896 198994201344 397988402688
• Sum of all divisors σ(n): 1148621490588
• Sum of proper divisors (its aliquot sum) s(n): 750633087900
• 397988402688 is an abundant number, because the sum of its proper divisors (750633087900) is greater than itself. Its abundance is 352644685212

Bases of 397988402688

• Binary: 101110010101001111101010001011000000000₂
• Hexadecimal: 0x5CA9F51600
• Base-36: 52U00OW0

Squares and roots of 397988402688

• 397988402688 squared (397988402688²) is 158394768674145645625344
• 397988402688 cubed (397988402688³) is 63039280978758485065501153450524672
• The square root of 397988402688 is 630863.2202688631
• The cube root of 397988402688 is 7355.6909212489

Scales and comparisons

• 397,988,402,688 seconds is equal to 12,654 years, 41 weeks, 4 days, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 397,988,402,688 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 397988402688 cubic inches would be around 613 feet tall.

Recreational maths with 397988402688

• 397988402688 backwards is 886204889793
• 397988402688 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 397988402688's digits is 72
• More coming soon!