21430834040

Names of 21430834040

• Cardinal: 21430834040 can be written as Twenty-one billion, four hundred thirty million, eight hundred thirty-four thousand and forty.

Scientific notation

• Scientific notation: 2.143083404 × 10¹⁰

Factors of 21430834040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1022

Divisors of 21430834040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 49 55 56 70 77 88 98 110 140 154 196 220 245 280 308 385 392 440 490 539 616 770 980 997 1078 1540 1960 1994 2156 2695 3080 3988 4312 4985 5390 6979 7976 9970 10780 10967 13958 19940 21560 21934 27916 34895 39880 43868 48853 54835 55832 69790 76769 87736 97706 109670 139580 153538 195412 219340 244265 279160 307076 383845 390824 438680 488530 537383 614152 767690 977060 994009 1074766 1535380 1954120 1988018 2149532 2686915 3070760 3976036 4299064 4970045 5373830 6958063 7952072 9940090 10747660 10934099 13916126 19880180 21495320 21868198 27832252 34790315 39760360 43736396 48706441 54670495 55664504 69580630 76538693 87472792 97412882 109340990 139161260 153077386 194825764 218681980 243532205 278322520 306154772 382693465 389651528 437363960 487064410 535770851 612309544 765386930 974128820 1071541702 1530773860 1948257640 2143083404 2678854255 3061547720 4286166808 5357708510 10715417020 21430834040
• Sum of all divisors σ(n): 61252630920
• Sum of proper divisors (its aliquot sum) s(n): 39821796880
• 21430834040 is an abundant number, because the sum of its proper divisors (39821796880) is greater than itself. Its abundance is 18390962840

Bases of 21430834040

• Binary: 10011111101011000001001001101111000₂
• Hexadecimal: 0x4FD609378
• Base-36: 9UFD5DK

Squares and roots of 21430834040

• 21430834040 squared (21430834040²) is 459280647650022721600
• 21430834040 cubed (21430834040³) is 9842767337571352948838723264000
• The square root of 21430834040 is 146392.7390275901
• The cube root of 21430834040 is 2777.6638777095

Scales and comparisons

• 21,430,834,040 seconds is equal to 681 years, 22 weeks, 4 days, 1 hour, 27 minutes, 20 seconds.
• To count from 1 to 21,430,834,040 would take you about one thousand, three hundred sixty-two 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 21430834040 cubic inches would be around 231.5 feet tall.

Recreational maths with 21430834040

• 21430834040 backwards is 04043803412
• The number of decimal digits it has is: 11
• The sum of 21430834040's digits is 29
• More coming soon!