21440815296723

Names of 21440815296723

• Cardinal: 21440815296723 can be written as Twenty-one trillion, four hundred forty billion, eight hundred fifteen million, two hundred ninety-six thousand, seven hundred twenty-three.

Scientific notation

• Scientific notation: 2.1440815296723 × 10¹³

Factors of 21440815296723

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 866

Divisors of 21440815296723

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 17 27 51 59 153 177 289 459 531 787 867 1003 1593 2361 2601 3009 3481 4913 7083 7803 9027 10443 13379 14739 17051 21249 27081 31329 40137 44217 46433 51153 59177 93987 120411 132651 139299 153459 177531 205379 227443 289867 361233 417897 460377 532593 616137 682329 789361 869601 1006009 1253691 1597779 1848411 2046987 2368083 2608803 2739547 3018027 3491443 3866531 5545233 6140961 7104249 7826409 8218641 9054081 10474329 11599593 13419137 17102153 21312747 24655923 27162243 31422987 34798779 40257411 46572299 51306459 59354531 73967769 94268961 104396337 120772233 139716897 153919377 161633273 178063593 228125329 362316699 419150691 461758131 484899819 534190779 684375987 791729083 1009027027 1257452073 1454699457 1602572337 2053127961 2375187249 2747765641 3027081081 4364098371 6159383883 7125561747 8243296923 9081243243 13459394411 21376685241 24729890769 27243729729 40378183233 46712015897 74189672307 121134549699 140136047691 363403649097 420408143073 794104270249 1261224429219 2382312810747 7146938432241 21440815296723
• Sum of all divisors σ(n): 34374526848000
• Sum of proper divisors (its aliquot sum) s(n): 12933711551277
• 21440815296723 is a deficient number, because the sum of its proper divisors (12933711551277) is less than itself. Its deficiency is 8507103745446

Bases of 21440815296723

• Binary: 100111000000000010100001011011111000011010011₂
• Hexadecimal: 0x1380142DF0D3
• Base-36: 7LLRVUBIR

Squares and roots of 21440815296723

• 21440815296723 squared (21440815296723²) is 459708560588190986534538729
• 21440815296723 cubed (21440815296723³) is 9856526337893797350364330096312070285067
• The square root of 21440815296723 is 4630422.7989162069
• The cube root of 21440815296723 is 27780.9503643381

Scales and comparisons

• 21,440,815,296,723 seconds is equal to 681,751 years, 31 weeks, 3 days, 10 hours, 52 minutes, 3 seconds.
• To count from 1 to 21,440,815,296,723 would take you about one million, seven hundred four thousand, three hundred seventy-nine 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 21440815296723 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440815296723

• 21440815296723 backwards is 32769251804412
• The number of decimal digits it has is: 14
• The sum of 21440815296723's digits is 54
• More coming soon!