21473471488

Names of 21473471488

• Cardinal: 21473471488 can be written as Twenty-one billion, four hundred seventy-three million, four hundred seventy-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1473471488 × 10¹⁰

Factors of 21473471488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1813

Divisors of 21473471488

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 281 392 448 512 562 784 896 1024 1124 1523 1568 1792 1967 2248 3046 3136 3584 3934 4496 6092 6272 7168 7868 8992 10661 12184 12544 13769 15736 17984 21322 24368 25088 27538 31472 35968 42644 48736 50176 55076 62944 71936 74627 85288 97472 110152 125888 143872 149254 170576 194944 220304 251776 287744 298508 341152 389888 427963 440608 503552 597016 682304 779776 855926 881216 1007104 1194032 1364608 1559552 1711852 1762432 2014208 2388064 2729216 2995741 3423704 3524864 4776128 5458432 5991482 6847408 7049728 9552256 10916864 11982964 13694816 14099456 19104512 20970187 23965928 27389632 38209024 41940374 47931856 54779264 76418048 83880748 95863712 109558528 167761496 191727424 219117056 335522992 383454848 438234112 671045984 766909696 1342091968 1533819392 2684183936 3067638784 5368367872 10736735744 21473471488
• Sum of all divisors σ(n): 50144900472
• Sum of proper divisors (its aliquot sum) s(n): 28671428984
• 21473471488 is an abundant number, because the sum of its proper divisors (28671428984) is greater than itself. Its abundance is 7197957496

Bases of 21473471488

• Binary: 10011111111111010110010110000000000₂
• Hexadecimal: 0x4FFEB2C00
• Base-36: 9V4R0N4

Squares and roots of 21473471488

• 21473471488 squared (21473471488²) is 461109977745948934144
• 21473471488 cubed (21473471488³) is 9901631959959948944845173686272
• The square root of 21473471488 is 146538.2935890821
• The cube root of 21473471488 is 2779.5047462399

Scales and comparisons

• 21,473,471,488 seconds is equal to 682 years, 41 weeks, 13 hours, 11 minutes, 28 seconds.
• To count from 1 to 21,473,471,488 would take you about one thousand, three hundred sixty-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 21473471488 cubic inches would be around 231.6 feet tall.

Recreational maths with 21473471488

• 21473471488 backwards is 88417437412
• 21473471488 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21473471488's digits is 49
• More coming soon!