21290688000

Names of 21290688000

• Cardinal: 21290688000 can be written as Twenty-one billion, two hundred ninety million, six hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 2.1290688 × 10¹⁰

Factors of 21290688000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 47

Divisors of 21290688000

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 37 40 45 48 50 54 60 64 72 74 75 80 81 90 96 100 108 111 120 125 128 135 144 148 150 160 162 180 185 192 200 216 222 225 240 243 250 256 270 288 296 300 320 324 333 360 370 375 384 400 405 432 444 450 480 486 500 512 540 555 576 592 600 640 648 666 675 720 740 750 768 800 810 864 888 900 925 960 972 999 1000 1080 1110 1125 1152 1184 1200 1215 1280 1296 1332 1350 1369 1440 1480 1500 1536 1600 1620 1665 1728 1776 1800 1850 1920 1944 1998 2000 2025 2160 2220 2250 2304 2368 2400 2430 2560 2592 2664 2700 2738 2775 2880 2960 2997 3000 3200 3240 3330 3375 3456 3552 3600 3700 3840 3888 3996 4000 4050 4107 4320 4440 4500 4608 4625 4736 4800 4860 4995 5184 5328 5400 5476 5550 5760 5920 5994 6000 6075 6400 6480 6660 6750 6845 6912 7104 7200 7400 7680 7776 7992 8000 8100 8214 8325 8640 8880 8991 9000 9250 9472 9600 9720 9990 10125 10368 10656 10800 10952 11100 11520 11840 11988 12000 12150 12321 12800 12960 13320 13500 13690 13824 13875 14208 14400 14800 14985 15552 15984 16000 16200 16428 16650 17280 17760 17982 18000 18500 18944 19200 19440 19980 20250 20535 20736 21312 21600 21904 22200 23040 23680 23976 24000 24300 24642 24975 25920 26640 27000 27380 27750 28416 28800 29600 29970 30375 31104 31968 32000 32400 32856 33300 34225 34560 35520 35964 36000 36963 37000 38400 38880 39960 40500 41070 41472 41625 42624 43200 43808 44400 44955 47360 47952 48000 48600 49284 49950 51840 53280 54000 54760 55500 56832 57600 59200 59940 60750 61605 62208 63936 64000 64800 65712 66600 68450 69120 71040 71928 72000 73926 74000 74925 77760 79920 81000 82140 83250 85248 86400 87616 88800 89910 94720 95904 96000 97200 98568 99900 102675 103680 106560 108000 109520 110889 111000 115200 118400 119880 121500 123210 124416 124875 127872 129600 131424 133200 136900 142080 143856 144000 147852 148000 149850 155520 159840 162000 164280 166500 170496 171125 172800 175232 177600 179820 184815 191808 192000 194400 197136 199800 205350 207360 213120 216000 219040 221778 222000 224775 236800 239760 243000 246420 249750 255744 259200 262848 266400 273800 284160 287712 288000 295704 296000 299700 308025 311040 319680 324000 328560 332667 333000 342250 345600 350464 355200 359640 369630 374625 383616 388800 394272 399600 410700 426240 432000 438080 443556 444000 449550 473600 479520 486000 492840 499500 511488 513375 518400 525696 532800 547600 554445 575424 576000 591408 592000 599400 616050 622080 639360 648000 657120 665334 666000 684500 700928 710400 719280 739260 749250 767232 777600 788544 799200 821400 852480 864000 876160 887112 888000 899100 924075 959040 972000 985680 999000 1026750 1036800 1051392 1065600 1095200 1108890 1123875 1150848 1182816 1184000 1198800 1232100 1278720 1296000 1314240 1330668 1332000 1369000 1420800 1438560 1478520 1498500 1534464 1540125 1555200 1577088 1598400 1642800 1663335 1728000 1752320 1774224 1776000 1798200 1848150 1918080 1944000 1971360 1998000 2053500 2102784 2131200 2190400 2217780 2247750 2301696 2365632 2368000 2397600 2464200 2557440 2592000 2628480 2661336 2664000 2738000 2772225 2877120 2957040 2997000 3080250 3110400 3154176 3196800 3285600 3326670 3504640 3548448 3552000 3596400 3696300 3836160 3888000 3942720 3996000 4107000 4262400 4380800 4435560 4495500 4603392 4620375 4731264 4795200 4928400 5184000 5256960 5322672 5328000 5476000 5544450 5754240 5914080 5994000 6160500 6308352 6393600 6571200 6653340 7096896 7104000 7192800 7392600 7672320 7776000 7885440 7992000 8214000 8316675 8761600 8871120 8991000 9240750 9462528 9590400 9856800 10513920 10645344 10656000 10952000 11088900 11508480 11828160 11988000 12321000 12787200 13142400 13306680 13861125 14193792 14385600 14785200 15552000 15770880 15984000 16428000 16633350 17523200 17742240 17982000 18481500 18925056 19180800 19713600 21290688 21312000 21904000 22177800 23016960 23656320 23976000 24642000 26284800 26613360 27722250 28387584 28771200 29570400 31541760 31968000 32856000 33266700 35484480 35964000 36963000 38361600 39427200 41583375 42581376 43808000 44355600 47312640 47952000 49284000 52569600 53226720 55444500 56775168 57542400 59140800 63936000 65712000 66533400 70968960 71928000 73926000 78854400 83166750 85162752 87616000 88711200 94625280 95904000 98568000 106453440 110889000 115084800 118281600 131424000 133066800 141937920 143856000 147852000 157708800 166333500 170325504 177422400 191808000 197136000 212906880 221778000 236563200 262848000 266133600 283875840 287712000 295704000 332667000 354844800 394272000 425813760 443556000 473126400 532267200 575424000 591408000 665334000 709689600 788544000 851627520 887112000 1064534400 1182816000 1330668000 1419379200 1774224000 2129068800 2365632000 2661336000 3548448000 4258137600 5322672000 7096896000 10645344000 21290688000
• Sum of all divisors σ(n): 81732675024
• Sum of proper divisors (its aliquot sum) s(n): 60441987024
• 21290688000 is an abundant number, because the sum of its proper divisors (60441987024) is greater than itself. Its abundance is 39151299024

Bases of 21290688000

• Binary: 10011110101000001100001111000000000₂
• Hexadecimal: 0x4F5061E00
• Base-36: 9S3XC00

Squares and roots of 21290688000

• 21290688000 squared (21290688000²) is 453293395513344000000
• 21290688000 cubed (21290688000³) is 9650928256335206940672000000000
• The square root of 21290688000 is 145913.2893193763
• The cube root of 21290688000 is 2771.5958257067

Scales and comparisons

• 21,290,688,000 seconds is equal to 676 years, 50 weeks, 6 days.
• To count from 1 to 21,290,688,000 would take you about one thousand, three hundred fifty-three 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 21290688000 cubic inches would be around 231 feet tall.

Recreational maths with 21290688000

• 21290688000 backwards is 00088609212
• 21290688000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21290688000's digits is 36
• More coming soon!