2129718448

Names of 2129718448

• Cardinal: 2129718448 can be written as Two billion, one hundred twenty-nine million, seven hundred eighteen thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.129718448 × 10⁹

Factors of 2129718448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21716

Divisors of 2129718448

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 43 44 52 86 88 104 143 172 176 208 286 344 473 559 572 688 946 1118 1144 1892 2236 2288 3784 4472 6149 7568 8944 12298 21647 24596 43294 49192 86588 98384 173176 238117 281411 346352 476234 562822 930821 952468 1125644 1861642 1904936 2251288 3095521 3723284 3809872 4502576 6191042 7446568 10239031 12100673 12382084 14893136 20478062 24201346 24764168 40956124 48402692 49528336 81912248 96805384 133107403 163824496 193610768 266214806 532429612 1064859224 2129718448
• Sum of all divisors σ(n): 4960682496
• Sum of proper divisors (its aliquot sum) s(n): 2830964048
• 2129718448 is an abundant number, because the sum of its proper divisors (2830964048) is greater than itself. Its abundance is 701245600

Bases of 2129718448

• Binary: 1111110111100001110110010110000₂
• Hexadecimal: 0x7EF0ECB0
• Base-36: Z7Z99S

Squares and roots of 2129718448

• 2129718448 squared (2129718448²) is 4535700667751528704
• 2129718448 cubed (2129718448³) is 9659765386716349361110331392
• The square root of 2129718448 is 46148.8726622873
• The cube root of 2129718448 is 1286.5916572675

Scales and comparisons

• 2,129,718,448 seconds is equal to 67 years, 37 weeks, 2 days, 12 hours, 27 minutes, 28 seconds.
• To count from 1 to 2,129,718,448 would take you about one hundred thirty-five 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 2129718448 cubic inches would be around 107.2 feet tall.

Recreational maths with 2129718448

• 2129718448 backwards is 8448179212
• The number of decimal digits it has is: 10
• The sum of 2129718448's digits is 46
• More coming soon!