16397881408

Names of 16397881408

• Cardinal: 16397881408 can be written as Sixteen billion, three hundred ninety-seven million, eight hundred eighty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.6397881408 × 10¹⁰

Factors of 16397881408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1961

Divisors of 16397881408

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 37 61 64 74 122 148 244 296 488 592 976 1184 1861 1952 2257 2368 3721 3722 3904 4514 7442 7444 9028 14884 14888 18056 29768 29776 36112 59536 59552 68857 72224 113521 119072 119104 137677 137714 144448 227042 238144 275354 275428 454084 550708 550856 908168 1101416 1101712 1816336 2202832 2203424 3632672 4200277 4405664 4406848 6924781 7265344 8400554 8811328 13849562 16801108 27699124 33602216 55398248 67204432 110796496 134408864 221592992 256216897 268817728 443185984 512433794 1024867588 2049735176 4099470352 8198940704 16397881408
• Sum of all divisors σ(n): 33994083396
• Sum of proper divisors (its aliquot sum) s(n): 17596201988
• 16397881408 is an abundant number, because the sum of its proper divisors (17596201988) is greater than itself. Its abundance is 1198320580

Bases of 16397881408

• Binary: 1111010001011000111101000001000000₂
• Hexadecimal: 0x3D163D040
• Base-36: 7J6VI9S

Squares and roots of 16397881408

• 16397881408 squared (16397881408²) is 268890514670832062464
• 16397881408 cubed (16397881408³) is 4409234771308388316968720269312
• The square root of 16397881408 is 128054.2127694359
• The cube root of 16397881408 is 2540.5587775959

Scales and comparisons

• 16,397,881,408 seconds is equal to 521 years, 20 weeks, 6 days, 7 hours, 3 minutes, 28 seconds.
• To count from 1 to 16,397,881,408 would take you about one thousand and forty-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 16397881408 cubic inches would be around 211.7 feet tall.

Recreational maths with 16397881408

• 16397881408 backwards is 80418879361
• The number of decimal digits it has is: 11
• The sum of 16397881408's digits is 55
• More coming soon!