21077684460

Names of 21077684460

• Cardinal: 21077684460 can be written as Twenty-one billion, seventy-seven million, six hundred eighty-four thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.107768446 × 10¹⁰

Factors of 21077684460

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5576124

Divisors of 21077684460

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 5576107 11152214 16728321 22304428 27880535 33456642 39032749 50184963 55761070 66913284 78065498 83641605 100369926 111522140 117098247 150554889 156130996 167283210 195163745 200739852 234196494 250924815 301109778 334566420 351294741 390327490 468392988 501849630 585491235 602219556 702589482 752774445 780654980 1003699260 1053884223 1170982470 1405178964 1505548890 1756473705 2107768446 2341964940 3011097780 3512947410 4215536892 5269421115 7025894820 10538842230 21077684460
• Sum of all divisors σ(n): 74942891520
• Sum of proper divisors (its aliquot sum) s(n): 53865207060
• 21077684460 is an abundant number, because the sum of its proper divisors (53865207060) is greater than itself. Its abundance is 32787522600

Bases of 21077684460

• Binary: 10011101000010100111111000011101100₂
• Hexadecimal: 0x4E853F0EC
• Base-36: 9OL3XF0

Squares and roots of 21077684460

• 21077684460 squared (21077684460²) is 444268782195325491600
• 21077684460 cubed (21077684460³) is 9364157206541536798939180536000
• The square root of 21077684460 is 145181.5568865411
• The cube root of 21077684460 is 2762.3219826457

Scales and comparisons

• 21,077,684,460 seconds is equal to 670 years, 10 weeks, 4 days, 16 hours, 21 minutes.
• To count from 1 to 21,077,684,460 would take you about one thousand, three hundred forty 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 21077684460 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077684460

• 21077684460 backwards is 06448677012
• 21077684460 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21077684460's digits is 45
• More coming soon!