21642422802

Names of 21642422802

• Cardinal: 21642422802 can be written as Twenty-one billion, six hundred forty-two million, four hundred twenty-two thousand, eight hundred two.

Scientific notation

• Scientific notation: 2.1642422802 × 10¹⁰

Factors of 21642422802

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13986

Divisors of 21642422802

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 33 37 39 42 49 66 74 77 78 91 98 111 143 147 154 182 222 231 259 273 286 294 407 429 462 481 518 539 546 637 777 814 858 962 1001 1078 1221 1274 1443 1554 1617 1813 1911 2002 2442 2849 2886 3003 3234 3367 3626 3822 5291 5439 5698 6006 6734 7007 8547 10101 10582 10878 13913 14014 15873 17094 19943 20202 21021 23569 27826 31746 37037 39886 41739 42042 47138 59829 70707 74074 83478 97391 111111 119658 141414 153043 180869 194782 222222 259259 292173 306086 361738 459129 514781 518518 542607 584346 681737 777777 918258 1029562 1071301 1085214 1266083 1363474 1544343 1555554 1989559 2045211 2142602 2532166 3088686 3213903 3603467 3798249 3979118 4090422 5662591 5968677 6427806 6692153 7206934 7499107 7596498 8862581 10810401 11325182 11937354 13384306 13926913 14998214 16987773 17725162 20076459 21620802 22497321 25224269 26587743 27853826 33975546 39638137 40152918 41780739 44994642 46845071 50448538 53175486 73613683 75672807 79276274 83561478 93690142 97488391 118914411 140535213 147227366 151345614 194976782 220841049 237828822 277466959 281070426 292465173 327915497 441682098 515295781 554933918 584930346 655830994 832400877 983746491 1030591562 1545887343 1664801754 1967492982 3091774686 3607070467 7214140934 10821211401 21642422802
• Sum of all divisors σ(n): 60757651584
• Sum of proper divisors (its aliquot sum) s(n): 39115228782
• 21642422802 is an abundant number, because the sum of its proper divisors (39115228782) is greater than itself. Its abundance is 17472805980

Bases of 21642422802

• Binary: 10100001001111111010010101000010010₂
• Hexadecimal: 0x509FD2A12
• Base-36: 9XXC8B6

Squares and roots of 21642422802

• 21642422802 squared (21642422802²) is 468394464740529531204
• 21642422802 cubed (21642422802³) is 10137191044031021339683820113608
• The square root of 21642422802 is 147113.6390753759
• The cube root of 21642422802 is 2786.7753412177

Scales and comparisons

• 21,642,422,802 seconds is equal to 688 years, 8 weeks, 3 days, 6 minutes, 42 seconds.
• To count from 1 to 21,642,422,802 would take you about one thousand, three hundred seventy-six 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 21642422802 cubic inches would be around 232.2 feet tall.

Recreational maths with 21642422802

• 21642422802 backwards is 20822424612
• 21642422802 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21642422802's digits is 33
• More coming soon!