21245829120

Names of 21245829120

• Cardinal: 21245829120 can be written as Twenty-one billion, two hundred forty-five million, eight hundred twenty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.124582912 × 10¹⁰

Factors of 21245829120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 19221

Divisors of 21245829120

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 720 768 864 960 1024 1080 1152 1280 1440 1536 1728 1920 2048 2160 2304 2560 2880 3072 3456 3840 4096 4320 4608 5120 5760 6144 6912 7680 8192 8640 9216 10240 11520 12288 13824 15360 17280 18432 19211 20480 23040 24576 27648 30720 34560 36864 38422 40960 46080 55296 57633 61440 69120 73728 76844 92160 96055 110592 115266 122880 138240 153688 172899 184320 192110 221184 230532 276480 288165 307376 345798 368640 384220 461064 518697 552960 576330 614752 691596 768440 864495 922128 1037394 1105920 1152660 1229504 1383192 1536880 1728990 1844256 2074788 2305320 2459008 2593485 2766384 3073760 3457980 3688512 4149576 4610640 4918016 5186970 5532768 6147520 6915960 7377024 8299152 9221280 9836032 10373940 11065536 12295040 13831920 14754048 16598304 18442560 19672064 20747880 22131072 24590080 27663840 29508096 33196608 36885120 39344128 41495760 44262144 49180160 55327680 59016192 66393216 73770240 78688256 82991520 88524288 98360320 110655360 118032384 132786432 147540480 157376512 165983040 177048576 196720640 221310720 236064768 265572864 295080960 331966080 354097152 393441280 442621440 472129536 531145728 590161920 663932160 708194304 786882560 885242880 1062291456 1180323840 1327864320 1416388608 1770485760 2124582912 2360647680 2655728640 3540971520 4249165824 5311457280 7081943040 10622914560 21245829120
• Sum of all divisors σ(n): 75540047040
• Sum of proper divisors (its aliquot sum) s(n): 54294217920
• 21245829120 is an abundant number, because the sum of its proper divisors (54294217920) is greater than itself. Its abundance is 33048388800

Bases of 21245829120

• Binary: 10011110010010110011010000000000000₂
• Hexadecimal: 0x4F259A000
• Base-36: 9RD7UO0

Squares and roots of 21245829120

• 21245829120 squared (21245829120²) is 451385254996239974400
• 21245829120 cubed (21245829120³) is 9590053994937740738615574528000
• The square root of 21245829120 is 145759.4906687039
• The cube root of 21245829120 is 2769.6478988739

Scales and comparisons

• 21,245,829,120 seconds is equal to 675 years, 28 weeks, 4 days, 19 hours, 12 minutes.
• To count from 1 to 21,245,829,120 would take you about one thousand, three hundred fifty-one 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 21245829120 cubic inches would be around 230.8 feet tall.

Recreational maths with 21245829120

• 21245829120 backwards is 02192854212
• 21245829120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21245829120's digits is 36
• More coming soon!