21423282979840

Names of 21423282979840

• Cardinal: 21423282979840 can be written as Twenty-one trillion, four hundred twenty-three billion, two hundred eighty-two million, nine hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.142328297984 × 10¹³

Factors of 21423282979840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 189875

Divisors of 21423282979840

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 64 70 80 92 112 115 128 137 140 160 161 184 224 230 256 274 280 320 322 368 448 460 512 548 560 640 644 685 736 805 896 920 959 1024 1096 1120 1280 1288 1370 1472 1610 1792 1840 1918 2192 2240 2560 2576 2740 2944 3151 3220 3584 3680 3836 4384 4480 4795 5120 5152 5480 5888 6302 6440 7168 7360 7672 8768 8960 9590 10304 10960 11776 12604 12880 14720 15344 15755 17536 17920 19180 20608 21920 22057 23552 25208 25760 29440 30688 31510 35072 35840 38360 41216 43840 44114 50416 51520 58880 61376 63020 70144 76720 82432 87680 88228 100832 103040 110285 117760 122752 126040 140288 153440 164864 175360 176456 189701 201664 206080 220570 245504 252080 306880 350720 352912 379402 403328 412160 441140 491008 504160 613760 701440 705824 758804 806656 824320 882280 948505 982016 1008320 1227520 1327907 1411648 1517608 1613312 1764560 1897010 2016640 2455040 2655814 2823296 3035216 3226624 3529120 3794020 4033280 4363123 4910080 5311628 5646592 6070432 6639535 7058240 7588040 8066560 8726246 10623256 11293184 12140864 13279070 14116480 15176080 16133120 17452492 21246512 21815615 22586368 24281728 25989037 26558140 28232960 30352160 30541861 34904984 42493024 43631230 48563456 51978074 53116280 56465920 60704320 61083722 69809968 84986048 87262460 97126912 103956148 106232560 112931840 121408640 122167444 129945185 139619936 152709305 169972096 174524920 181923259 194253824 207912296 212465120 242817280 244334888 259890370 279239872 305418610 339944192 349049840 363846518 415824592 424930240 485634560 488669776 519780740 558479744 597747851 610837220 679888384 698099680 727693036 831649184 849860480 909616295 971269120 977339552 1039561480 1116959488 1195495702 1221674440 1359776768 1396199360 1455386072 1663298368 1699720960 1819232590 1954679104 2079122960 2233918976 2390991404 2443348880 2792398720 2910772144 2988739255 3326596736 3399441920 3638465180 3909358208 4158245920 4184234957 4467837952 4781982808 4886697760 5584797440 5821544288 5977478510 6653193472 6798883840 7276930360 7818716416 8316491840 8368469914 9563965616 9773395520 11169594880 11643088576 11954957020 13306386944 14553860720 15637432832 16632983680 16736939828 19127931232 19546791040 20921174785 22339189760 23286177152 23909914040 26612773888 29107721440 31274865664 33265967360 33473879656 38255862464 39093582080 41842349570 46572354304 47819828080 58215442880 66531934720 66947759312 76511724928 78187164160 83684699140 93144708608 95639656160 116430885760 133063869440 133895518624 153023449856 156374328320 167369398280 186289417216 191279312320 232861771520 267791037248 306046899712 334738796560 382558624640 465723543040 535582074496 612093799424 669477593120 765117249280 931447086080 1071164148992 1338955186240 1530234498560 2142328297984 2677910372480 3060468997120 4284656595968 5355820744960 10711641489920 21423282979840
• Sum of all divisors σ(n): 61733559366144
• Sum of proper divisors (its aliquot sum) s(n): 40310276386304
• 21423282979840 is an abundant number, because the sum of its proper divisors (40310276386304) is greater than itself. Its abundance is 18886993406464

Bases of 21423282979840

• Binary: 100110111101111111111001011000000010000000000₂
• Hexadecimal: 0x137BFF2C0400
• Base-36: 7LDPXJX8G

Squares and roots of 21423282979840

• 21423282979840 squared (21423282979840²) is 458957053634302229846425600
• 21423282979840 cubed (21423282979840³) is 9832366835601260976263489213540859904000
• The square root of 21423282979840 is 4628529.2458663367
• The cube root of 21423282979840 is 27773.3760683447

Scales and comparisons

• 21,423,282,979,840 seconds is equal to 681,194 years, 6 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,423,282,979,840 would take you about one million, seven hundred two thousand, nine hundred eighty-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 21423282979840 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21423282979840

• 21423282979840 backwards is 04897928232412
• The number of decimal digits it has is: 14
• The sum of 21423282979840's digits is 61
• More coming soon!