21305648000

Names of 21305648000

• Cardinal: 21305648000 can be written as Twenty-one billion, three hundred five million, six hundred forty-eight thousand.

Scientific notation

• Scientific notation: 2.1305648 × 10¹⁰

Factors of 21305648000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14660

Divisors of 21305648000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 64 65 70 80 91 100 104 112 125 128 130 140 160 175 182 200 208 224 250 260 280 320 325 350 364 400 416 448 455 500 520 560 640 650 700 728 800 832 875 896 910 1000 1040 1120 1300 1400 1456 1600 1625 1664 1750 1820 2000 2080 2240 2275 2600 2800 2912 3200 3250 3500 3640 4000 4160 4480 4550 5200 5600 5824 6500 7000 7280 8000 8320 9100 10400 11200 11375 11648 13000 14000 14560 14633 16000 18200 20800 22400 22750 26000 28000 29120 29266 36400 41600 45500 52000 56000 58240 58532 72800 73165 91000 102431 104000 112000 117064 145600 146330 182000 190229 204862 208000 234128 291200 292660 364000 365825 380458 409724 468256 512155 585320 728000 731650 760916 819448 936512 951145 1024310 1170640 1331603 1456000 1463300 1521832 1638896 1829125 1873024 1902290 2048620 2341280 2560775 2663206 2926600 3043664 3277792 3658250 3804580 4097240 4682560 4755725 5121550 5326412 5853200 6087328 6555584 6658015 7316500 7609160 8194480 9365120 9511450 10243100 10652824 11706400 12174656 12803875 13111168 13316030 14633000 15218320 16388960 19022900 20486200 21305648 23412800 23778625 24349312 25607750 26632060 29266000 30436640 32777920 33290075 38045800 40972400 42611296 46825600 47557250 51215500 53264120 58532000 60873280 65555840 66580150 76091600 81944800 85222592 95114500 102431000 106528240 117064000 121746560 133160300 152183200 163889600 166450375 170445184 190229000 204862000 213056480 234128000 266320600 304366400 327779200 332900750 380458000 409724000 426112960 532641200 608732800 665801500 760916000 819448000 852225920 1065282400 1331603000 1521832000 1638896000 2130564800 2663206000 3043664000 4261129600 5326412000 10652824000 21305648000
• Sum of all divisors σ(n): 65199738240
• Sum of proper divisors (its aliquot sum) s(n): 43894090240
• 21305648000 is an abundant number, because the sum of its proper divisors (43894090240) is greater than itself. Its abundance is 22588442240

Bases of 21305648000

• Binary: 10011110101111010100110001110000000₂
• Hexadecimal: 0x4F5EA6380
• Base-36: 9SCTZ7K

Squares and roots of 21305648000

• 21305648000 squared (21305648000²) is 453930636699904000000
• 21305648000 cubed (21305648000³) is 9671286361944036257792000000000
• The square root of 21305648000 is 145964.5436398853
• The cube root of 21305648000 is 2772.2448319129

Scales and comparisons

• 21,305,648,000 seconds is equal to 677 years, 23 weeks, 4 days, 3 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,305,648,000 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 21305648000 cubic inches would be around 231 feet tall.

Recreational maths with 21305648000

• 21305648000 backwards is 00084650312
• The number of decimal digits it has is: 11
• The sum of 21305648000's digits is 29
• More coming soon!