1397888072656168

Names of 1397888072656168

• Cardinal: 1397888072656168 can be written as One quadrillion, three hundred ninety-seven trillion, eight hundred eighty-eight billion, seventy-two million, six hundred fifty-six thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.397888072656168 × 10¹⁵

Factors of 1397888072656168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3184125

Divisors of 1397888072656168

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 71 142 284 568 1320961 1863091 2641922 3726182 5283844 7452364 10567688 14904728 93788231 132279461 187576462 264558922 375152924 529117844 750305848 1058235688 2461070550451 4922141100902 9844282201804 19688564403608 174736009082021 349472018164042 698944036328084 1397888072656168
• Sum of all divisors σ(n): 2657959633264320
• Sum of proper divisors (its aliquot sum) s(n): 1260071560608152
• 1397888072656168 is a deficient number, because the sum of its proper divisors (1260071560608152) is less than itself. Its deficiency is 137816512048016

Bases of 1397888072656168

• Binary: 100111101110101111100101110000000011010010100101000₂
• Hexadecimal: 0x4F75F2E01A528
• Base-36: DRICWY24H4

Squares and roots of 1397888072656168

• 1397888072656168 squared (1397888072656168²) is 1954091063674376025286748444224
• 1397888072656168 cubed (1397888072656168³) is 2731600590794414762860203997605642049277573632
• The square root of 1397888072656168 is 37388341.4001767133
• The cube root of 1397888072656168 is 111812.6137613083

Scales and comparisons

• 1,397,888,072,656,168 seconds is equal to 44,448,516 years, 39 weeks, 3 days, 4 hours, 29 minutes, 28 seconds.
• To count from 1 to 1,397,888,072,656,168 would take you about one hundred thirty-three million, three hundred forty-five thousand, five hundred fifty 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 1397888072656168 cubic inches would be around 9317.7 feet tall.

Recreational maths with 1397888072656168

• 1397888072656168 backwards is 8616562708887931
• The number of decimal digits it has is: 16
• The sum of 1397888072656168's digits is 85
• More coming soon!