21013402500

Names of 21013402500

• Cardinal: 21013402500 can be written as Twenty-one billion, thirteen million, four hundred two thousand, five hundred.

Scientific notation

• Scientific notation: 2.10134025 × 10¹⁰

Factors of 21013402500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 565

Divisors of 21013402500

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 25 30 34 36 45 50 51 60 68 75 85 90 100 102 125 137 150 153 170 180 204 225 250 255 274 300 306 340 375 401 411 425 450 500 510 548 612 625 685 750 765 802 822 850 900 1020 1125 1203 1233 1250 1275 1370 1500 1530 1604 1644 1700 1875 2005 2055 2125 2250 2329 2406 2466 2500 2550 2740 3060 3425 3609 3750 3825 4010 4110 4250 4500 4658 4812 4932 5100 5625 6015 6165 6375 6817 6850 6987 7218 7500 7650 8020 8220 8500 9316 10025 10275 10625 11250 11645 12030 12330 12750 13634 13700 13974 14436 15300 17125 18045 19125 20050 20451 20550 20961 21250 22500 23290 24060 24660 25500 27268 27948 30075 30825 31875 34085 34250 34935 36090 38250 40100 40902 41100 41922 42500 46580 50125 51375 54937 58225 60150 61353 61650 63750 68170 68500 69870 72180 76500 81804 83844 85625 90225 95625 100250 102255 102750 104805 109874 116450 120300 122706 123300 127500 136340 139740 150375 154125 164811 170425 171250 174675 180450 191250 200500 204510 205500 209610 219748 232900 245412 250625 256875 274685 291125 300750 306765 308250 329622 340850 342500 349350 360900 382500 409020 419220 451125 494433 501250 511275 513750 524025 549370 582250 601500 613530 616500 659244 681700 698700 751875 770625 824055 852125 873375 902250 933929 988866 1002500 1022550 1027500 1048050 1098740 1164500 1227060 1373425 1455625 1503750 1533825 1541250 1648110 1704250 1746750 1804500 1867858 1977732 2045100 2096100 2255625 2472165 2556375 2620125 2746850 2801787 2911250 3007500 3067650 3082500 3296220 3408500 3493500 3735716 4120275 4260625 4366875 4511250 4669645 4944330 5112750 5240250 5493700 5603574 5822500 6135300 6867125 7669125 8240550 8405361 8521250 8733750 9022500 9339290 9888660 10225500 10480500 11207148 12360825 12781875 13100625 13734250 14008935 15338250 16481100 16810722 17042500 17467500 18678580 20601375 23348225 24721650 25563750 26201250 27468500 28017870 30676500 33621444 34335625 38345625 41202750 42026805 46696450 49443300 51127500 52402500 56035740 61804125 68671250 70044675 76691250 82405500 84053610 93392900 103006875 116741125 123608250 137342500 140089350 153382500 168107220 206013750 210134025 233482250 247216500 280178700 309020625 350223375 412027500 420268050 466964500 583705625 618041250 700446750 840536100 1050670125 1167411250 1236082500 1400893500 1751116875 2101340250 2334822500 3502233750 4202680500 5253350625 7004467500 10506701250 21013402500
• Sum of all divisors σ(n): 70969226328
• Sum of proper divisors (its aliquot sum) s(n): 49955823828
• 21013402500 is an abundant number, because the sum of its proper divisors (49955823828) is greater than itself. Its abundance is 28942421328

Bases of 21013402500

• Binary: 10011100100011111110001001110000100₂
• Hexadecimal: 0x4E47F1384
• Base-36: 9NIU550

Squares and roots of 21013402500

• 21013402500 squared (21013402500²) is 441563084627006250000
• 21013402500 cubed (21013402500³) is 9278742826408844701265625000000
• The square root of 21013402500 is 144960.0031043045
• The cube root of 21013402500 is 2759.5109798375

Scales and comparisons

• 21,013,402,500 seconds is equal to 668 years, 8 weeks, 2 days, 16 hours, 15 minutes.
• To count from 1 to 21,013,402,500 would take you about one thousand, three hundred thirty-six 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 21013402500 cubic inches would be around 230 feet tall.

Recreational maths with 21013402500

• 21013402500 backwards is 00520431012
• 21013402500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21013402500's digits is 18
• More coming soon!