21239983200

Names of 21239983200

• Cardinal: 21239983200 can be written as Twenty-one billion, two hundred thirty-nine million, nine hundred eighty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.12399832 × 10¹⁰

Factors of 21239983200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4613

Divisors of 21239983200

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 37 40 48 50 53 60 74 75 80 96 100 106 111 120 148 150 159 160 185 200 212 222 240 265 296 300 318 370 400 424 444 480 530 555 592 600 636 740 795 800 848 888 925 1060 1110 1184 1200 1272 1325 1480 1590 1696 1776 1850 1961 2120 2220 2400 2544 2650 2775 2960 3180 3552 3700 3922 3975 4240 4440 4513 5088 5300 5550 5883 5920 6360 7400 7844 7950 8480 8880 9026 9805 10600 11100 11766 12720 13539 14800 15688 15900 17760 18052 19610 21200 22200 22565 23532 25440 27078 29415 29600 31376 31800 36104 39220 42400 44400 45130 47064 49025 54156 58830 62752 63600 67695 72208 78440 88800 90260 94128 98050 108312 112825 117660 127200 135390 144416 147075 156880 166981 180520 188256 196100 216624 225650 235320 239189 270780 294150 313760 333962 338475 361040 392200 433248 451300 470640 478378 500943 541560 588300 667924 676950 717567 722080 784400 834905 902600 941280 956756 1001886 1083120 1176600 1195945 1335848 1353900 1435134 1568800 1669810 1805200 1913512 2003772 2166240 2353200 2391890 2504715 2671696 2707800 2870268 3339620 3587835 3610400 3827024 4007544 4174525 4706400 4783780 5009430 5343392 5415600 5740536 5979725 6679240 7175670 7654048 8015088 8349050 8849993 9567560 10018860 10831200 11481072 11959450 12523575 13358480 14351340 16030176 16698100 17699986 17939175 19135120 20037720 22962144 23918900 25047150 26549979 26716960 28702680 33396200 35399972 35878350 38270240 40075440 44249965 47837800 50094300 53099958 57405360 66792400 70799944 71756700 80150880 88499930 95675600 100188600 106199916 114810720 132749895 133584800 141599888 143513400 176999860 191351200 200377200 212399832 221249825 265499790 283199776 287026800 353999720 400754400 424799664 442499650 530999580 574053600 663749475 707999440 849599328 884999300 1061999160 1327498950 1415998880 1769998600 2123998320 2654997900 3539997200 4247996640 5309995800 7079994400 10619991600 21239983200
• Sum of all divisors σ(n): 72360431136
• Sum of proper divisors (its aliquot sum) s(n): 51120447936
• 21239983200 is an abundant number, because the sum of its proper divisors (51120447936) is greater than itself. Its abundance is 29880464736

Bases of 21239983200

• Binary: 10011110010000000000110110001100000₂
• Hexadecimal: 0x4F2006C60
• Base-36: 9R9QJXC

Squares and roots of 21239983200

• 21239983200 squared (21239983200²) is 451136886336282240000
• 21239983200 cubed (21239983200³) is 9582139886682944328058368000000
• The square root of 21239983200 is 145739.4359807941
• The cube root of 21239983200 is 2769.3938470439

Scales and comparisons

• 21,239,983,200 seconds is equal to 675 years, 19 weeks, 3 hours, 20 minutes.
• To count from 1 to 21,239,983,200 would take you about one thousand, three hundred fifty 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 21239983200 cubic inches would be around 230.8 feet tall.

Recreational maths with 21239983200

• 21239983200 backwards is 00238993212
• The number of decimal digits it has is: 11
• The sum of 21239983200's digits is 39
• More coming soon!