1421398732

Names of 1421398732

• Cardinal: 1421398732 can be written as One billion, four hundred twenty-one million, three hundred ninety-eight thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 1.421398732 × 10⁹

Factors of 1421398732

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 357

Divisors of 1421398732

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 13 26 31 52 53 62 106 124 127 131 212 254 262 403 508 524 689 806 1378 1612 1643 1651 1703 2756 3286 3302 3406 3937 4061 6572 6604 6731 6812 6943 7874 8122 13462 13886 15748 16244 16637 21359 26924 27772 33274 42718 51181 52793 66548 85436 87503 90259 102362 105586 175006 180518 204724 208661 211172 215233 216281 350012 361036 417322 430466 432562 515747 834644 860932 865124 881761 1031494 1763522 2062988 2712593 2798029 3527044 5425186 5596058 6704711 10850372 11192116 11462893 13409422 22925786 26818844 27334591 45851572 54669182 109338364 355349683 710699366 1421398732
• Sum of all divisors σ(n): 2861236224
• Sum of proper divisors (its aliquot sum) s(n): 1439837492
• 1421398732 is an abundant number, because the sum of its proper divisors (1439837492) is greater than itself. Its abundance is 18438760

Bases of 1421398732

• Binary: 1010100101110001101001011001100₂
• Hexadecimal: 0x54B8D2CC
• Base-36: NI9IA4

Squares and roots of 1421398732

• 1421398732 squared (1421398732²) is 2020374355331207824
• 1421398732 cubed (1421398732³) is 2871757546833096241062079168
• The square root of 1421398732 is 37701.4420413861
• The cube root of 1421398732 is 1124.3597956159

Scales and comparisons

• 1,421,398,732 seconds is equal to 45 years, 10 weeks, 1 day, 8 hours, 58 minutes, 52 seconds.
• To count from 1 to 1,421,398,732 would take you about ninety 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 1421398732 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421398732

• 1421398732 backwards is 2378931241
• The number of decimal digits it has is: 10
• The sum of 1421398732's digits is 40
• More coming soon!