21313722607169391

Names of 21313722607169391

• Cardinal: 21313722607169391 can be written as Twenty-one quadrillion, three hundred thirteen trillion, seven hundred twenty-two billion, six hundred seven million, one hundred sixty-nine thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 2.1313722607169391 × 10¹⁶

Factors of 21313722607169391

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 37254125

Divisors of 21313722607169391

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 7 9 17 21 49 51 63 67 119 147 153 201 289 357 441 469 603 833 867 1071 1139 1407 2023 2499 2601 3283 3417 4221 4489 6069 7497 7973 9849 10251 13467 14161 18207 19363 23919 29547 31423 40401 42483 55811 58089 71757 76313 94269 127449 135541 167433 174267 219961 228939 282807 406623 502299 534191 659883 686817 948787 1219869 1297321 1602573 1979649 2846361 3739337 3891963 4807719 8539083 9081247 11218011 11675889 27243741 33654033 37254031 63568729 81731223 111762093 190706187 260778217 335286279 572118561 633318527 782334651 1825447519 1899955581 2347003953 2496020077 4433229689 5476342557 5699866743 7488060231 10766414959 13299689067 16429027671 17472140539 22464180693 31032607823 32299244877 39899067201 42432341309 52416421617 75364904713 93097823469 96897734631 122304983773 127297023927 157249264851 167233345159 226094714139 279293470407 297026389163 366914951319 381891071781 501700035477 527554332991 678284142417 721349802253 891079167489 1100744853957 1170633416113 1505100106431 1582662998973 2079184724141 2164049406759 2673237502467 2842966867703 3511900248339 4747988996919 5049448615771 6237554172423 6492148220277 8194433912791 8528900603109 10535700745017 15148345847313 18712662517269 19900768073921 24583301738373 25586701809327 35346140310397 45445037541939 48330436750951 59702304221763 73749905215119 106038420931191 139305376517447 144991310252853 179106912665289 318115262793573 338313057256657 417916129552341 434973930758559 1014939171769971 1253748388657023 2368191400796599 3044817515309913 7104574202389797 21313722607169391
• Sum of all divisors σ(n): 38619699953850288
• Sum of proper divisors (its aliquot sum) s(n): 17305977346680897
• 21313722607169391 is a deficient number, because the sum of its proper divisors (17305977346680897) is less than itself. Its deficiency is 4007745260488494

Bases of 21313722607169391

• Binary: 1001011101110001011011111000000110101110110111101101111₂
• Hexadecimal: 0x4BB8B7C0D76F6F
• Base-36: 5TV30ZSAR1R

Squares and roots of 21313722607169391

• 21313722607169391 squared (21313722607169391²) is 454274771375363582021273367310881
• 21313722607169391 cubed (21313722607169391³) is 9682286464529793318769357136303104683748924443471
• The square root of 21313722607169391 is 145992200.5011548245
• The cube root of 21313722607169391 is 277259.5004485627

Scales and comparisons

• 21,313,722,607,169,391 seconds is equal to 677,710,451 years, 12 weeks, 1 day, 15 hours, 29 minutes, 51 seconds.
• To count from 1 to 21,313,722,607,169,391 would take you about two billion, thirty-three million, one hundred thirty-one thousand, three hundred fifty-three 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 21313722607169391 cubic inches would be around 23105 feet tall.

Recreational maths with 21313722607169391

• 21313722607169391 backwards is 19396170622731312
• 21313722607169391 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21313722607169391's digits is 63
• More coming soon!