21136701620

Names of 21136701620

• Cardinal: 21136701620 can be written as Twenty-one billion, one hundred thirty-six million, seven hundred one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.113670162 × 10¹⁰

Factors of 21136701620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 114

Divisors of 21136701620

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 10 19 20 29 38 58 59 76 95 116 118 145 190 236 290 295 361 380 551 580 590 722 841 1102 1121 1180 1444 1682 1711 1805 2204 2242 2755 3364 3422 3481 3610 4205 4484 5510 5605 6844 6962 7220 8410 8555 10469 11020 11210 13924 15979 16820 17110 17405 20938 21299 22420 31958 32509 34220 34810 41876 42598 49619 52345 63916 65018 66139 69620 79895 85196 99238 100949 104690 106495 130036 132278 159790 162545 198476 201898 209380 212990 248095 264556 303601 319580 325090 330695 403796 425980 496190 504745 607202 617671 650180 661390 942761 992380 1009490 1214404 1235342 1256641 1322780 1518005 1885522 1918031 2018980 2470684 2513282 2927521 3036010 3088355 3771044 3836062 4713805 5026564 5855042 6072020 6176710 6283205 7672124 9427610 9590155 11710084 12353420 12566410 14637605 17912459 18855220 19180310 25132820 29275210 35824918 36442589 38360620 55622899 58550420 71649836 72885178 89562295 111245798 145770356 179124590 182212945 222491596 278114495 358249180 364425890 556228990 728851780 1056835081 1112457980 2113670162 4227340324 5284175405 10568350810 21136701620
• Sum of all divisors σ(n): 49353544422
• Sum of proper divisors (its aliquot sum) s(n): 28216842802
• 21136701620 is an abundant number, because the sum of its proper divisors (28216842802) is greater than itself. Its abundance is 7080141182

Bases of 21136701620

• Binary: 10011101011110110000111100010110100₂
• Hexadecimal: 0x4EBD878B4
• Base-36: 9PK8VCK

Squares and roots of 21136701620

• 21136701620 squared (21136701620²) is 446760155372910624400
• 21136701620 cubed (21136701620³) is 9443036099822051698870691528000
• The square root of 21136701620 is 145384.6677610813
• The cube root of 21136701620 is 2764.8977317321

Scales and comparisons

• 21,136,701,620 seconds is equal to 672 years, 4 weeks, 1 day, 18 hours, 20 seconds.
• To count from 1 to 21,136,701,620 would take you about one thousand, three hundred forty-four 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 21136701620 cubic inches would be around 230.4 feet tall.

Recreational maths with 21136701620

• 21136701620 backwards is 02610763112
• 21136701620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21136701620's digits is 29
• More coming soon!