21296484720

Names of 21296484720

• Cardinal: 21296484720 can be written as Twenty-one billion, two hundred ninety-six million, four hundred eighty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.129648472 × 10¹⁰

Factors of 21296484720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 22331

Divisors of 21296484720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 191 210 240 252 280 315 336 360 382 420 504 560 573 630 720 764 840 955 1008 1146 1260 1337 1528 1680 1719 1910 2292 2520 2674 2865 3056 3438 3820 4011 4584 5040 5348 5730 6685 6876 7640 8022 8595 9168 10696 11460 12033 13370 13752 15280 16044 17190 20055 21392 22123 22920 24066 26740 27504 32088 34380 40110 44246 45840 48132 53480 60165 64176 66369 68760 80220 88492 96264 106960 110615 120330 132738 137520 154861 160440 176984 192528 199107 221230 240660 265476 309722 320880 331845 353968 398214 442460 464583 481320 530952 619444 663690 774305 796428 884920 929166 962640 995535 1061904 1238888 1327380 1393749 1548610 1592856 1769840 1858332 1991070 2322915 2477776 2654760 2787498 3097220 3185712 3716664 3982140 4225493 4645830 5309520 5574996 6194440 6968745 7433328 7964280 8450986 9291660 11149992 12388880 12676479 13937490 15928560 16901972 18583320 21127465 22299984 25352958 27874980 29578451 33803944 37166640 38029437 42254930 50705916 55749960 59156902 63382395 67607888 76058874 84509860 88735353 101411832 111499920 118313804 126764790 147892255 152117748 169019720 177470706 190147185 202823664 236627608 253529580 266206059 295784510 304235496 338039440 354941412 380294370 443676765 473255216 507059160 532412118 591569020 608470992 709882824 760588740 887353530 1014118320 1064824236 1183138040 1331030295 1419765648 1521177480 1774707060 2129648472 2366276080 2662060590 3042354960 3549414120 4259296944 5324121180 7098828240 10648242360 21296484720
• Sum of all divisors σ(n): 82169597952
• Sum of proper divisors (its aliquot sum) s(n): 60873113232
• 21296484720 is an abundant number, because the sum of its proper divisors (60873113232) is greater than itself. Its abundance is 39576628512

Bases of 21296484720

• Binary: 10011110101010111101001000101110000₂
• Hexadecimal: 0x4F55E9170
• Base-36: 9S7DKS0

Squares and roots of 21296484720

• 21296484720 squared (21296484720²) is 453540261429193478400
• 21296484720 cubed (21296484720³) is 9658813247431624274669250048000
• The square root of 21296484720 is 145933.1515454935
• The cube root of 21296484720 is 2771.8473395309

Scales and comparisons

• 21,296,484,720 seconds is equal to 677 years, 8 weeks, 3 days, 2 hours, 12 minutes.
• To count from 1 to 21,296,484,720 would take you about one thousand, three hundred fifty-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 21296484720 cubic inches would be around 231 feet tall.

Recreational maths with 21296484720

• 21296484720 backwards is 02748469212
• 21296484720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21296484720's digits is 45
• More coming soon!