21292722210

Names of 21292722210

• Cardinal: 21292722210 can be written as Twenty-one billion, two hundred ninety-two million, seven hundred twenty-two thousand, two hundred ten.

Scientific notation

• Scientific notation: 2.129272221 × 10¹⁰

Factors of 21292722210

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 406

Divisors of 21292722210

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 95 113 114 127 137 190 226 254 274 285 339 361 381 411 565 570 635 678 685 722 762 822 1083 1130 1270 1370 1695 1805 1905 2055 2147 2166 2413 2603 3390 3610 3810 4110 4294 4826 5206 5415 6441 7239 7809 10735 10830 12065 12882 13015 14351 14478 15481 15618 17399 21470 24130 26030 28702 30962 32205 34798 36195 39045 40793 43053 45847 46443 49457 52197 64410 71755 72390 77405 78090 81586 86106 86995 91694 92886 98914 104394 122379 137541 143510 148371 154810 173990 203965 215265 229235 232215 244758 247285 260985 272669 275082 294139 296742 330581 407930 430530 458470 464430 494570 521970 545338 588278 611895 661162 687705 741855 818007 882417 991743 1223790 1363345 1375410 1470695 1483710 1636014 1652905 1764834 1966087 1983486 2726690 2941390 3305810 3932174 4090035 4412085 4958715 5180711 5588641 5898261 6281039 8180070 8824170 9830435 9917430 10361422 11177282 11796522 12562078 15542133 16765923 18843117 19660870 25903555 27943205 29491305 31084266 31405195 33531846 37355653 37686234 51807110 55886410 58982610 62810390 74711306 77710665 83829615 94215585 112066959 155421330 167659230 186778265 188431170 224133918 373556530 560334795 709757407 1120669590 1419514814 2129272221 3548787035 4258544442 7097574070 10646361105 21292722210
• Sum of all divisors σ(n): 55239708672
• Sum of proper divisors (its aliquot sum) s(n): 33946986462
• 21292722210 is an abundant number, because the sum of its proper divisors (33946986462) is greater than itself. Its abundance is 12654264252

Bases of 21292722210

• Binary: 10011110101001001010010100000100010₂
• Hexadecimal: 0x4F5252822
• Base-36: 9S54XLU

Squares and roots of 21292722210

• 21292722210 squared (21292722210²) is 453380019112227284100
• 21292722210 cubed (21292722210³) is 9653694802521146374724049861000
• The square root of 21292722210 is 145920.2597653937
• The cube root of 21292722210 is 2771.6840932219

Scales and comparisons

• 21,292,722,210 seconds is equal to 677 years, 2 weeks, 1 day, 13 hours, 3 minutes, 30 seconds.
• To count from 1 to 21,292,722,210 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 21292722210 cubic inches would be around 231 feet tall.

Recreational maths with 21292722210

• 21292722210 backwards is 01222729212
• 21292722210 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21292722210's digits is 30
• More coming soon!