21308973000

Names of 21308973000

• Cardinal: 21308973000 can be written as Twenty-one billion, three hundred eight million, nine hundred seventy-three thousand.

Scientific notation

• Scientific notation: 2.1308973 × 10¹⁰

Factors of 21308973000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8561

Divisors of 21308973000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 17 20 21 24 25 28 30 34 35 40 42 49 50 51 56 60 68 70 75 84 85 98 100 102 105 119 120 125 136 140 147 150 168 170 175 196 200 204 210 238 245 250 255 280 294 300 340 350 357 375 392 408 420 425 476 490 500 510 525 588 595 600 680 700 714 735 750 833 840 850 875 952 980 1000 1020 1050 1176 1190 1225 1275 1400 1428 1470 1500 1666 1700 1750 1785 1960 2040 2100 2125 2380 2450 2499 2550 2625 2856 2940 2975 3000 3332 3400 3500 3570 3675 4165 4200 4250 4760 4900 4998 5100 5250 5880 5950 6125 6375 6664 7000 7140 7350 8330 8500 8527 8925 9800 9996 10200 10500 11900 12250 12495 12750 14280 14700 14875 16660 17000 17054 17850 18375 19992 20825 21000 23800 24500 24990 25500 25581 29400 29750 33320 34108 35700 36750 41650 42635 44625 49000 49980 51000 51162 59500 59689 62475 68216 71400 73500 83300 85270 89250 99960 102324 104125 119000 119378 124950 127905 144959 147000 166600 170540 178500 179067 204648 208250 213175 238756 249900 255810 289918 298445 312375 341080 357000 358134 416500 417823 426350 434877 477512 499800 511620 579836 596890 624750 639525 716268 724795 833000 835646 852700 869754 895335 1014713 1023240 1065875 1159672 1193780 1249500 1253469 1279050 1432536 1449590 1492225 1671292 1705400 1739508 1790670 2029426 2089115 2131750 2174385 2387560 2499000 2506938 2558100 2899180 2984450 3044139 3197625 3342584 3479016 3581340 3623975 4058852 4178230 4263500 4348770 4476675 5013876 5073565 5116200 5798360 5968900 6088278 6267345 6395250 7102991 7162680 7247950 7461125 8117704 8356460 8527000 8697540 8953350 10027752 10147130 10445575 10871925 11937800 12176556 12534690 12790500 14205982 14495900 14922250 15220695 16712920 17395080 17906700 18119875 20294260 20891150 21308973 21743850 22383375 24353112 25069380 25367825 25581000 28411964 28991800 29844500 30441390 31336725 35514955 35813400 36239750 40588520 41782300 42617946 43487700 44766750 50138760 50735650 52227875 54359625 56823928 59689000 60882780 62673450 71029910 72479500 76103475 83564600 85235892 86975400 89533500 101471300 104455750 106544865 108719250 121765560 125346900 126839125 142059820 144959000 152206950 156683625 170471784 177574775 179067000 202942600 208911500 213089730 217438500 250693800 253678250 284119640 304413900 313367250 355149550 380517375 417823000 426179460 434877000 507356500 532724325 608827800 626734500 710299100 761034750 852358920 887873875 1014713000 1065448650 1253469000 1420598200 1522069500 1775747750 2130897300 2663621625 3044139000 3551495500 4261794600 5327243250 7102991000 10654486500 21308973000
• Sum of all divisors σ(n): 81897454080
• Sum of proper divisors (its aliquot sum) s(n): 60588481080
• 21308973000 is an abundant number, because the sum of its proper divisors (60588481080) is greater than itself. Its abundance is 39279508080

Bases of 21308973000

• Binary: 10011110110000111010001111111001000₂
• Hexadecimal: 0x4F61D1FC8
• Base-36: 9SET8SO

Squares and roots of 21308973000

• 21308973000 squared (21308973000²) is 454072330314729000000
• 21308973000 cubed (21308973000³) is 9675815026723641763317000000000
• The square root of 21308973000 is 145975.9329478667
• The cube root of 21308973000 is 2772.3890383475

Scales and comparisons

• 21,308,973,000 seconds is equal to 677 years, 29 weeks, 15 hours, 10 minutes.
• To count from 1 to 21,308,973,000 would take you about one thousand, three hundred fifty-five 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 21308973000 cubic inches would be around 231 feet tall.

Recreational maths with 21308973000

• 21308973000 backwards is 00037980312
• The number of decimal digits it has is: 11
• The sum of 21308973000's digits is 33
• More coming soon!