20872422690

Names of 20872422690

• Cardinal: 20872422690 can be written as Twenty billion, eight hundred seventy-two million, four hundred twenty-two thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.087242269 × 10¹⁰

Factors of 20872422690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2154

Divisors of 20872422690

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 49 51 70 85 98 102 105 119 147 170 210 238 245 255 294 357 490 510 523 595 714 735 833 1046 1190 1470 1569 1597 1666 1785 2499 2615 3138 3194 3570 3661 4165 4791 4998 5230 7322 7845 7985 8330 8891 9582 10983 11179 12495 15690 15970 17782 18305 21966 22358 23955 24990 25627 26673 27149 33537 36610 44455 47910 51254 53346 54298 54915 55895 62237 67074 76881 78253 81447 88910 109830 111790 124474 128135 133365 135745 153762 156506 162894 167685 186711 190043 234759 256270 266730 271490 311185 335370 373422 380086 384405 391265 407235 435659 469518 570129 622370 768810 782530 814470 835231 871318 933555 950215 1140258 1173795 1306977 1330301 1670462 1867110 1900430 2178295 2347590 2505693 2613954 2660602 2850645 3990903 4176155 4356590 5011386 5701290 5846617 6534885 6651505 7981806 8352310 11693234 12528465 13069770 13303010 14198927 17539851 19954515 25056930 28397854 29233085 35079702 39909030 40926319 42596781 58466170 70994635 81852638 85193562 87699255 99392489 122778957 141989270 175398510 198784978 204631595 212983905 245557914 298177467 409263190 425967810 496962445 596354934 613894785 695747423 993924890 1227789570 1391494846 1490887335 2087242269 2981774670 3478737115 4174484538 6957474230 10436211345 20872422690
• Sum of all divisors σ(n): 61856866944
• Sum of proper divisors (its aliquot sum) s(n): 40984444254
• 20872422690 is an abundant number, because the sum of its proper divisors (40984444254) is greater than itself. Its abundance is 20112021564

Bases of 20872422690

• Binary: 10011011100000101111110010100100010₂
• Hexadecimal: 0x4DC17E522
• Base-36: 9L6WGF6

Squares and roots of 20872422690

• 20872422690 squared (20872422690²) is 435658028950026836100
• 20872422690 cubed (20872422690³) is 9093238528537217009922551109000
• The square root of 20872422690 is 144472.9133436437
• The cube root of 20872422690 is 2753.3259017003

Scales and comparisons

• 20,872,422,690 seconds is equal to 663 years, 35 weeks, 1 day, 23 hours, 11 minutes, 30 seconds.
• To count from 1 to 20,872,422,690 would take you about one thousand, three hundred twenty-seven 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 20872422690 cubic inches would be around 229.4 feet tall.

Recreational maths with 20872422690

• 20872422690 backwards is 09622427802
• 20872422690 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20872422690's digits is 42
• More coming soon!