20722273845

Names of 20722273845

• Cardinal: 20722273845 can be written as Twenty billion, seven hundred twenty-two million, two hundred seventy-three thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 2.0722273845 × 10¹⁰

Factors of 20722273845

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1059

Divisors of 20722273845

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 13 15 17 21 35 39 51 65 73 85 91 105 119 169 195 219 221 255 273 357 365 455 507 511 595 663 845 941 949 1095 1105 1183 1241 1365 1533 1547 1785 2535 2555 2823 2847 2873 3315 3549 3723 4641 4705 4745 5915 6205 6587 6643 7665 7735 8619 8687 12233 12337 14115 14235 14365 15997 16133 17745 18615 19761 19929 20111 23205 26061 32935 33215 36699 37011 43095 43435 47991 48399 60333 61165 61685 68693 79985 80665 85631 86359 98805 99645 100555 111979 112931 130305 159029 183495 185055 206079 207961 209729 239955 241995 256893 259077 301665 335937 338793 343465 428155 431795 477087 480851 559895 564655 623883 629187 795145 893009 1030395 1039805 1048645 1113203 1167781 1284465 1295385 1442553 1455727 1468103 1679685 1693965 2385435 2404255 2679027 2703493 3119415 3145935 3339609 3503343 4367181 4404309 4465045 5566015 5838905 6251063 7212765 7278635 7340515 8110479 8174467 11609117 13395135 13517465 15181153 16698045 17516715 18753189 18924451 21835905 22021545 24523401 31255315 34827351 40552395 40872335 45543459 56773353 58045585 75905765 81263819 93765945 94622255 106268071 122617005 174136755 197354989 227717295 243791457 283866765 318804213 406319095 531340355 592064967 986774945 1218957285 1381484923 1594021065 2960324835 4144454769 6907424615 20722273845
• Sum of all divisors σ(n): 44086685184
• Sum of proper divisors (its aliquot sum) s(n): 23364411339
• 20722273845 is an abundant number, because the sum of its proper divisors (23364411339) is greater than itself. Its abundance is 2642137494

Bases of 20722273845

• Binary: 10011010011001001001100111000110101₂
• Hexadecimal: 0x4D324CE35
• Base-36: 9IPI8TX

Squares and roots of 20722273845

• 20722273845 squared (20722273845²) is 429412633307171084025
• 20722273845 cubed (20722273845³) is 8898406179893767205431554826125
• The square root of 20722273845 is 143952.3318498177
• The cube root of 20722273845 is 2746.7078552237

Scales and comparisons

• 20,722,273,845 seconds is equal to 658 years, 47 weeks, 3 hours, 10 minutes, 45 seconds.
• To count from 1 to 20,722,273,845 would take you about one thousand, three hundred seventeen 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 20722273845 cubic inches would be around 228.9 feet tall.

Recreational maths with 20722273845

• 20722273845 backwards is 54837222702
• The number of decimal digits it has is: 11
• The sum of 20722273845's digits is 42
• More coming soon!