21938688000

Names of 21938688000

• Cardinal: 21938688000 can be written as Twenty-one billion, nine hundred thirty-eight million, six hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 2.1938688 × 10¹⁰

Factors of 21938688000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 33

Divisors of 21938688000

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 25 27 30 32 36 40 45 46 48 50 54 60 64 69 72 75 80 81 90 92 96 100 108 115 120 125 128 135 138 144 150 160 162 180 184 192 200 207 216 225 230 240 250 256 270 276 288 300 320 324 345 360 368 375 384 400 405 414 432 450 460 480 500 512 529 540 552 575 576 600 621 640 648 675 690 720 736 750 768 800 810 828 864 900 920 960 1000 1024 1035 1058 1080 1104 1125 1150 1152 1200 1242 1280 1296 1350 1380 1440 1472 1500 1536 1587 1600 1620 1656 1725 1728 1800 1840 1863 1920 2000 2025 2048 2070 2116 2160 2208 2250 2300 2304 2400 2484 2560 2592 2645 2700 2760 2875 2880 2944 3000 3072 3105 3174 3200 3240 3312 3375 3450 3456 3600 3680 3726 3840 4000 4050 4096 4140 4232 4320 4416 4500 4600 4608 4761 4800 4968 5120 5175 5184 5290 5400 5520 5750 5760 5888 6000 6144 6210 6348 6400 6480 6624 6750 6900 6912 7200 7360 7452 7680 7935 8000 8100 8280 8464 8625 8640 8832 9000 9200 9216 9315 9522 9600 9936 10125 10240 10350 10368 10580 10800 11040 11500 11520 11776 12000 12288 12420 12696 12800 12960 13225 13248 13500 13800 13824 14283 14400 14720 14904 15360 15525 15870 16000 16200 16560 16928 17250 17280 17664 18000 18400 18432 18630 19044 19200 19872 20250 20480 20700 20736 21160 21600 22080 23000 23040 23552 23805 24000 24840 25392 25600 25875 25920 26450 26496 27000 27600 27648 28566 28800 29440 29808 30720 31050 31740 32000 32400 33120 33856 34500 34560 35328 36000 36800 36864 37260 38088 38400 39675 39744 40500 41400 41472 42320 42849 43200 44160 46000 46080 46575 47104 47610 48000 49680 50784 51200 51750 51840 52900 52992 54000 55200 55296 57132 57600 58880 59616 61440 62100 63480 64000 64800 66125 66240 67712 69000 69120 70656 71415 72000 73600 74520 76176 76800 77625 79350 79488 81000 82800 82944 84640 85698 86400 88320 92000 92160 93150 94208 95220 96000 99360 101568 102400 103500 103680 105800 105984 108000 110400 110592 114264 115200 117760 119025 119232 124200 126960 128000 129600 132250 132480 135424 138000 138240 141312 142830 144000 147200 149040 152352 153600 155250 158700 158976 162000 165600 165888 169280 171396 172800 176640 184000 184320 186300 190440 192000 198375 198720 203136 207000 207360 211600 211968 214245 216000 220800 228528 230400 232875 235520 238050 238464 248400 253920 256000 259200 264500 264960 270848 276000 276480 282624 285660 288000 294400 298080 304704 307200 310500 317400 317952 324000 331200 331776 338560 342792 345600 353280 357075 368000 372600 380880 384000 396750 397440 406272 414000 414720 423200 423936 428490 432000 441600 457056 460800 465750 471040 476100 476928 496800 507840 512000 518400 529000 529920 541696 552000 552960 571320 576000 588800 595125 596160 609408 621000 634800 635904 648000 662400 677120 685584 691200 706560 714150 736000 745200 761760 768000 793500 794880 812544 828000 829440 846400 847872 856980 864000 883200 914112 921600 931500 952200 953856 993600 1015680 1036800 1058000 1059840 1071225 1083392 1104000 1142640 1152000 1177600 1190250 1192320 1218816 1242000 1269600 1271808 1296000 1324800 1354240 1371168 1382400 1413120 1428300 1472000 1490400 1523520 1536000 1587000 1589760 1625088 1656000 1658880 1692800 1713960 1728000 1766400 1785375 1828224 1863000 1904400 1907712 1987200 2031360 2073600 2116000 2119680 2142450 2166784 2208000 2285280 2304000 2355200 2380500 2384640 2437632 2484000 2539200 2543616 2592000 2649600 2708480 2742336 2764800 2856600 2944000 2980800 3047040 3174000 3179520 3250176 3312000 3385600 3427920 3456000 3532800 3570750 3656448 3726000 3808800 3815424 3974400 4062720 4147200 4232000 4239360 4284900 4416000 4570560 4608000 4761000 4769280 4875264 4968000 5078400 5184000 5299200 5356125 5416960 5484672 5713200 5888000 5961600 6094080 6348000 6359040 6500352 6624000 6771200 6855840 6912000 7065600 7141500 7312896 7452000 7617600 7630848 7948800 8125440 8294400 8464000 8569800 8832000 9141120 9522000 9538560 9750528 9936000 10156800 10368000 10598400 10712250 10833920 10969344 11426400 11776000 11923200 12188160 12696000 12718080 13248000 13542400 13711680 13824000 14283000 14625792 14904000 15235200 15897600 16250880 16928000 17139600 17664000 18282240 19044000 19077120 19501056 19872000 20313600 20736000 21196800 21424500 21938688 22852800 23846400 24376320 25392000 26496000 27084800 27423360 28566000 29251584 29808000 30470400 31795200 32501760 33856000 34279200 35328000 36564480 38088000 38154240 39744000 40627200 41472000 42849000 43877376 45705600 47692800 48752640 50784000 52992000 54169600 54846720 57132000 58503168 59616000 60940800 63590400 67712000 68558400 73128960 76176000 79488000 81254400 85698000 87754752 91411200 95385600 97505280 101568000 105984000 109693440 114264000 119232000 121881600 135424000 137116800 146257920 152352000 158976000 162508800 171396000 175509504 182822400 190771200 203136000 219386880 228528000 238464000 243763200 270848000 274233600 292515840 304704000 317952000 342792000 365644800 406272000 438773760 457056000 476928000 487526400 548467200 609408000 685584000 731289600 812544000 877547520 914112000 953856000 1096934400 1218816000 1371168000 1462579200 1828224000 2193868800 2437632000 2742336000 3656448000 4387737600 5484672000 7312896000 10969344000 21938688000
• Sum of all divisors σ(n): 85501163748
• Sum of proper divisors (its aliquot sum) s(n): 63562475748
• 21938688000 is an abundant number, because the sum of its proper divisors (63562475748) is greater than itself. Its abundance is 41623787748

Bases of 21938688000

• Binary: 10100011011101001011101000000000000₂
• Hexadecimal: 0x51BA5D000
• Base-36: A2TQ800

Squares and roots of 21938688000

• 21938688000 squared (21938688000²) is 481306031161344000000
• 21938688000 cubed (21938688000³) is 10559222850167003676672000000000
• The square root of 21938688000 is 148117.1428295859
• The cube root of 21938688000 is 2799.4338991595

Scales and comparisons

• 21,938,688,000 seconds is equal to 697 years, 30 weeks, 2 days.
• To count from 1 to 21,938,688,000 would take you about one thousand, three hundred ninety-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 21938688000 cubic inches would be around 233.3 feet tall.

Recreational maths with 21938688000

• 21938688000 backwards is 00088683912
• 21938688000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21938688000's digits is 45
• More coming soon!