2129948320

Names of 2129948320

• Cardinal: 2129948320 can be written as Two billion, one hundred twenty-nine million, nine hundred forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.12994832 × 10⁹

Factors of 2129948320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 77129

Divisors of 2129948320

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 173 346 692 865 1384 1730 2768 3460 5536 6920 13840 27680 76949 153898 307796 384745 615592 769490 1231184 1538980 2462368 3077960 6155920 12311840 13312177 26624354 53248708 66560885 106497416 133121770 212994832 266243540 425989664 532487080 1064974160 2129948320
• Sum of all divisors σ(n): 5061155400
• Sum of proper divisors (its aliquot sum) s(n): 2931207080
• 2129948320 is an abundant number, because the sum of its proper divisors (2931207080) is greater than itself. Its abundance is 801258760

Bases of 2129948320

• Binary: 1111110111101000110111010100000₂
• Hexadecimal: 0x7EF46EA0
• Base-36: Z846N4

Squares and roots of 2129948320

• 2129948320 squared (2129948320²) is 4536679845870822400
• 2129948320 cubed (2129948320³) is 9662893616090417107898368000
• The square root of 2129948320 is 46151.3631434653
• The cube root of 2129948320 is 1286.6379451949

Scales and comparisons

• 2,129,948,320 seconds is equal to 67 years, 37 weeks, 5 days, 4 hours, 18 minutes, 40 seconds.
• To count from 1 to 2,129,948,320 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 2129948320 cubic inches would be around 107.2 feet tall.

Recreational maths with 2129948320

• 2129948320 backwards is 0238499212
• 2129948320 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2129948320's digits is 40
• More coming soon!