1401865728

Names of 1401865728

• Cardinal: 1401865728 can be written as One billion, four hundred one million, eight hundred sixty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.401865728 × 10⁹

Factors of 1401865728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 102

Divisors of 1401865728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 97 128 192 194 256 291 384 388 512 582 768 776 1164 1536 1552 2328 3104 4656 6208 9312 9409 12416 18624 18818 24832 28227 37248 37636 49664 56454 74496 75272 112908 148992 150544 225816 301088 451632 602176 903264 912673 1204352 1806528 1825346 2408704 2738019 3613056 3650692 4817408 5476038 7226112 7301384 10952076 14452224 14602768 21904152 29205536 43808304 58411072 87616608 116822144 175233216 233644288 350466432 467288576 700932864 1401865728
• Sum of all divisors σ(n): 3773560560
• Sum of proper divisors (its aliquot sum) s(n): 2371694832
• 1401865728 is an abundant number, because the sum of its proper divisors (2371694832) is greater than itself. Its abundance is 969829104

Bases of 1401865728

• Binary: 1010011100011101100011000000000₂
• Hexadecimal: 0x538EC600
• Base-36: N6MUIO

Squares and roots of 1401865728

• 1401865728 squared (1401865728²) is 1965227519340969984
• 1401865728 cubed (1401865728³) is 2754985107086562966846308352
• The square root of 1401865728 is 37441.4974059531
• The cube root of 1401865728 is 1119.1856665585

Scales and comparisons

• 1,401,865,728 seconds is equal to 44 years, 29 weeks, 6 days, 7 hours, 8 minutes, 48 seconds.
• To count from 1 to 1,401,865,728 would take you about eighty-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 1401865728 cubic inches would be around 93.3 feet tall.

Recreational maths with 1401865728

• 1401865728 backwards is 8275681041
• The number of decimal digits it has is: 10
• The sum of 1401865728's digits is 42
• More coming soon!