21004040340

Names of 21004040340

• Cardinal: 21004040340 can be written as Twenty-one billion, four million, forty thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.100404034 × 10¹⁰

Factors of 21004040340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 894

Divisors of 21004040340

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 73 81 90 108 135 146 162 180 219 243 270 292 324 365 405 438 486 540 657 730 810 811 876 972 1095 1215 1314 1460 1620 1622 1971 2190 2430 2433 2628 3244 3285 3942 4055 4380 4860 4866 5329 5913 6570 7299 7884 8110 9732 9855 10658 11826 12165 13140 14598 15987 16220 17739 19710 21316 21897 23652 24330 26645 29196 29565 31974 35478 36495 39420 43794 47961 48660 53290 59130 59203 63948 65691 70956 72990 79935 87588 88695 95922 106580 109485 118260 118406 131382 143883 145980 159870 177390 177609 191844 197073 218970 236812 239805 262764 287766 296015 319740 328455 354780 355218 394146 431649 437940 479610 532827 575532 592030 656910 710436 719415 788292 863298 888045 959220 985365 1065654 1184060 1294947 1313820 1438830 1598481 1726596 1776090 1970730 2131308 2158245 2589894 2664135 2877660 3196962 3552180 3941460 4316490 4321819 4795443 5179788 5328270 6393924 6474735 7992405 8632980 8643638 9590886 10656540 12949470 12965457 14386329 15984810 17287276 19181772 21609095 23977215 25898940 25930914 28772658 31969620 38896371 43218190 47954430 51861828 57545316 64827285 71931645 77792742 86436380 95908860 116689113 129654570 143863290 155585484 194481855 233378226 259309140 287726580 350067339 388963710 466756452 583445565 700134678 777927420 1050202017 1166891130 1400269356 1750336695 2100404034 2333782260 3500673390 4200808068 5251010085 7001346780 10502020170 21004040340
• Sum of all divisors σ(n): 67072063968
• Sum of proper divisors (its aliquot sum) s(n): 46068023628
• 21004040340 is an abundant number, because the sum of its proper divisors (46068023628) is greater than itself. Its abundance is 25063983288

Bases of 21004040340

• Binary: 10011100011111100000011100010010100₂
• Hexadecimal: 0x4E3F03894
• Base-36: 9ND9H90

Squares and roots of 21004040340

• 21004040340 squared (21004040340²) is 441169710604347315600
• 21004040340 cubed (21004040340³) is 9266346398319836796233111304000
• The square root of 21004040340 is 144927.7072888409
• The cube root of 21004040340 is 2759.1011014113

Scales and comparisons

• 21,004,040,340 seconds is equal to 667 years, 44 weeks, 6 days, 7 hours, 39 minutes.
• To count from 1 to 21,004,040,340 would take you about one thousand, three hundred thirty-five 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 21004040340 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004040340

• 21004040340 backwards is 04304040012
• 21004040340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21004040340's digits is 18
• More coming soon!