21295229040

Names of 21295229040

• Cardinal: 21295229040 can be written as Twenty-one billion, two hundred ninety-five million, two hundred twenty-nine thousand and forty.

Scientific notation

• Scientific notation: 2.129522904 × 10¹⁰

Factors of 21295229040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 165422

Divisors of 21295229040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 179 180 240 358 360 537 716 720 895 1074 1432 1611 1790 2148 2685 2864 3222 3580 4296 5370 6444 7160 8055 8592 10740 12888 14320 16110 21480 25776 32220 42960 64440 128880 165233 330466 495699 660932 826165 991398 1321864 1487097 1652330 1982796 2478495 2643728 2974194 3304660 3965592 4956990 5948388 6609320 7435485 7931184 9913980 11896776 13218640 14870970 19827960 23793552 29576707 29741940 39655920 59153414 59483880 88730121 118306828 118967760 147883535 177460242 236613656 266190363 295767070 354920484 443650605 473227312 532380726 591534140 709840968 887301210 1064761452 1183068280 1330951815 1419681936 1774602420 2129522904 2366136560 2661903630 3549204840 4259045808 5323807260 7098409680 10647614520 21295229040
• Sum of all divisors σ(n): 71916446160
• Sum of proper divisors (its aliquot sum) s(n): 50621217120
• 21295229040 is an abundant number, because the sum of its proper divisors (50621217120) is greater than itself. Its abundance is 29325988080

Bases of 21295229040

• Binary: 10011110101010010110110100001110000₂
• Hexadecimal: 0x4F54B6870
• Base-36: 9S6MNW0

Squares and roots of 21295229040

• 21295229040 squared (21295229040²) is 453486779866059321600
• 21295229040 cubed (21295229040³) is 9657104843859793775699019264000
• The square root of 21295229040 is 145928.8492382503
• The cube root of 21295229040 is 2771.7928607173

Scales and comparisons

• 21,295,229,040 seconds is equal to 677 years, 6 weeks, 2 days, 13 hours, 24 minutes.
• To count from 1 to 21,295,229,040 would take you about one thousand, three hundred fifty-four 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 21295229040 cubic inches would be around 231 feet tall.

Recreational maths with 21295229040

• 21295229040 backwards is 04092259212
• 21295229040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21295229040's digits is 36
• More coming soon!