21516840000

Names of 21516840000

• Cardinal: 21516840000 can be written as Twenty-one billion, five hundred sixteen million, eight hundred forty thousand.

Scientific notation

• Scientific notation: 2.151684 × 10¹⁰

Factors of 21516840000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 268

Divisors of 21516840000

• Number of divisors d(n): 700
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 29 30 32 36 40 45 48 50 54 58 60 64 72 75 80 81 87 90 96 100 108 116 120 125 135 144 145 150 160 162 174 180 192 200 216 225 229 232 240 250 261 270 288 290 300 320 324 348 360 375 400 405 432 435 450 458 464 480 500 522 540 576 580 600 625 648 675 687 696 720 725 750 783 800 810 864 870 900 916 928 960 1000 1044 1080 1125 1145 1160 1200 1250 1296 1305 1350 1374 1392 1440 1450 1500 1566 1600 1620 1728 1740 1800 1832 1856 1875 2000 2025 2061 2088 2160 2175 2250 2290 2320 2349 2400 2500 2592 2610 2700 2748 2784 2880 2900 3000 3132 3240 3375 3435 3480 3600 3625 3664 3750 3915 4000 4050 4122 4176 4320 4350 4500 4580 4640 4698 4800 5000 5184 5220 5400 5496 5568 5625 5725 5800 6000 6183 6264 6480 6525 6641 6750 6870 6960 7200 7250 7328 7500 7830 8000 8100 8244 8352 8640 8700 9000 9160 9280 9396 10000 10125 10305 10440 10800 10875 10992 11250 11450 11600 11745 12000 12366 12528 12960 13050 13282 13500 13740 13920 14400 14500 14656 15000 15660 16200 16488 16704 16875 17175 17400 18000 18125 18320 18549 18792 19575 19923 20000 20250 20610 20880 21600 21750 21984 22500 22900 23200 23490 24000 24732 25056 25920 26100 26564 27000 27480 27840 28625 29000 30000 30915 31320 32400 32625 32976 33205 33750 34350 34800 36000 36250 36640 37098 37584 39150 39846 40000 40500 41220 41760 43200 43500 43968 45000 45800 46400 46980 49464 50112 50625 51525 52200 53128 54000 54375 54960 57250 58000 58725 59769 60000 61830 62640 64800 65250 65952 66410 67500 68700 69600 72000 72500 73280 74196 75168 78300 79692 81000 82440 83520 85875 87000 90000 91600 92745 93960 97875 98928 99615 101250 103050 104400 106256 108000 108750 109920 114500 116000 117450 119538 120000 123660 125280 129600 130500 131904 132820 135000 137400 139200 143125 145000 148392 150336 154575 156600 159384 162000 163125 164880 166025 171750 174000 179307 180000 183200 185490 187920 195750 197856 199230 202500 206100 208800 212512 216000 217500 219840 229000 232000 234900 239076 247320 250560 257625 261000 265640 270000 274800 286250 290000 293625 296784 298845 309150 313200 318768 324000 326250 329760 332050 343500 348000 358614 360000 366400 370980 375840 391500 395712 398460 405000 412200 417600 425024 429375 435000 458000 463725 469800 478152 489375 494640 498075 515250 522000 531280 537921 540000 549600 572500 580000 587250 593568 597690 618300 626400 637536 648000 652500 659520 664100 687000 696000 717228 741960 751680 772875 783000 796920 810000 824400 830125 858750 870000 896535 916000 927450 939600 956304 978750 989280 996150 1030500 1044000 1062560 1075842 1080000 1099200 1145000 1160000 1174500 1187136 1195380 1236600 1252800 1275072 1288125 1305000 1328200 1374000 1434456 1468125 1483920 1494225 1545750 1566000 1593840 1620000 1648800 1660250 1717500 1740000 1793070 1832000 1854900 1879200 1912608 1957500 1978560 1992300 2061000 2088000 2125120 2151684 2290000 2318625 2349000 2390760 2473200 2490375 2576250 2610000 2656400 2689605 2748000 2868912 2936250 2967840 2988450 3091500 3132000 3187680 3240000 3297600 3320500 3435000 3480000 3586140 3709800 3758400 3825216 3864375 3915000 3984600 4122000 4150625 4303368 4482675 4580000 4637250 4698000 4781520 4946400 4980750 5152500 5220000 5312800 5379210 5496000 5737824 5872500 5935680 5976900 6183000 6264000 6375360 6641000 6870000 7172280 7419600 7471125 7728750 7830000 7969200 8244000 8301250 8606736 8965350 9160000 9274500 9396000 9563040 9892800 9961500 10305000 10440000 10625600 10758420 11475648 11593125 11745000 11953800 12366000 12451875 13282000 13448025 13740000 14344560 14839200 14942250 15457500 15660000 15938400 16488000 16602500 17213472 17930700 18549000 18792000 19126080 19923000 20610000 21516840 22413375 23186250 23490000 23907600 24732000 24903750 26564000 26896050 27480000 28689120 29678400 29884500 30915000 31320000 31876800 33205000 34426944 35861400 37098000 37355625 39846000 41220000 43033680 44826750 46372500 46980000 47815200 49464000 49807500 53128000 53792100 57378240 59769000 61830000 66410000 67240125 71722800 74196000 74711250 79692000 82440000 86067360 89653500 92745000 93960000 95630400 99615000 107584200 112066875 119538000 123660000 132820000 134480250 143445600 148392000 149422500 159384000 172134720 179307000 185490000 199230000 215168400 224133750 239076000 247320000 265640000 268960500 286891200 298845000 336200625 358614000 370980000 398460000 430336800 448267500 478152000 537921000 597690000 672401250 717228000 741960000 796920000 860673600 896535000 1075842000 1195380000 1344802500 1434456000 1793070000 2151684000 2390760000 2689605000 3586140000 4303368000 5379210000 7172280000 10758420000 21516840000
• Sum of all divisors σ(n): 82811226300
• Sum of proper divisors (its aliquot sum) s(n): 61294386300
• 21516840000 is an abundant number, because the sum of its proper divisors (61294386300) is greater than itself. Its abundance is 39777546300

Bases of 21516840000

• Binary: 10100000010100000001110110001000000₂
• Hexadecimal: 0x50280EC40
• Base-36: 9VUKK00

Squares and roots of 21516840000

• 21516840000 squared (21516840000²) is 462974403585600000000
• 21516840000 cubed (21516840000³) is 9961746166046781504000000000000
• The square root of 21516840000 is 146686.1956695313
• The cube root of 21516840000 is 2781.3746802669

Scales and comparisons

• 21,516,840,000 seconds is equal to 684 years, 8 weeks, 5 days, 12 hours.
• To count from 1 to 21,516,840,000 would take you about one thousand, three hundred sixty-eight 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 21516840000 cubic inches would be around 231.8 feet tall.

Recreational maths with 21516840000

• 21516840000 backwards is 00004861512
• 21516840000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21516840000's digits is 27
• More coming soon!