21297422723840

Names of 21297422723840

• Cardinal: 21297422723840 can be written as Twenty-one trillion, two hundred ninety-seven billion, four hundred twenty-two million, seven hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.129742272384 × 10¹³

Factors of 21297422723840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 589

Divisors of 21297422723840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 64 80 122 127 128 137 160 244 254 256 257 274 305 320 488 508 514 548 610 635 640 685 976 1016 1028 1096 1220 1270 1280 1285 1370 1952 2032 2056 2192 2440 2540 2570 2740 3721 3904 4064 4112 4384 4880 5080 5140 5480 7442 7747 7808 8128 8224 8357 8768 9760 10160 10280 10960 14884 15494 15616 15677 16256 16448 16714 17399 17536 18605 19520 20320 20560 21920 29768 30988 31354 32512 32639 32896 33428 34798 35072 35209 37210 38735 39040 40640 41120 41785 43840 59536 61976 62708 65278 65792 66856 69596 70418 74420 77470 78080 78385 81280 82240 83570 86995 87680 119072 123952 125416 130556 133712 139192 140836 148840 154940 156770 162560 163195 164480 167140 173990 175360 176045 238144 247904 250832 261112 267424 278384 281672 297680 309880 313540 326390 328960 334280 347980 352090 472567 476288 495808 501664 509777 522224 534848 556768 563344 595360 619760 627080 652780 668560 695960 704180 945134 952576 956297 991616 1003328 1019554 1044448 1061339 1069696 1113536 1126688 1190720 1239520 1254160 1305560 1337120 1391920 1408360 1890268 1912594 1983232 1990979 2006656 2039108 2088896 2122678 2139392 2147749 2227072 2253376 2362835 2381440 2479040 2508320 2548885 2611120 2674240 2783840 2816720 3780536 3825188 3981958 4013312 4078216 4177792 4245356 4295498 4454144 4471543 4506752 4725670 4762880 4781485 4958080 5016640 5097770 5222240 5306695 5348480 5567680 5633440 7561072 7650376 7963916 8156432 8355584 8490712 8590996 8943086 9013504 9451340 9562970 9916160 9954895 10033280 10195540 10444480 10613390 10696960 10738745 11135360 11266880 15122144 15300752 15927832 16312864 16981424 17181992 17886172 18902680 19125940 19909790 20066560 20391080 20888960 21226780 21477490 22270720 22357715 22533760 30244288 30601504 31855664 32625728 33962848 34363984 35772344 37805360 38251880 39819580 40782160 41777920 42453560 42954980 44715430 45067520 60488576 61203008 63711328 64741679 65251456 67925696 68727968 71544688 75610720 76503760 79639160 81564320 84907120 85909960 89430860 120977152 121449719 122406016 127422656 129483358 130502912 131012689 135851392 137455936 143089376 151221440 153007520 159278320 163128640 169814240 171819920 178861720 242899438 244812032 254845312 258966716 262025378 271702784 272764123 274911872 286178752 302442880 306015040 318556640 323708395 326257280 339628480 343639840 357723440 485798876 509690624 517933432 524050756 545528246 549823744 572357504 604885760 607248595 612030080 637113280 647416790 652514560 655063445 679256960 687279680 715446880 971597752 1035866864 1048101512 1091056492 1144715008 1214497190 1224060160 1274226560 1294833580 1310126890 1358513920 1363820615 1374559360 1430893760 1943195504 2071733728 2096203024 2182112984 2428994380 2548453120 2589667160 2620253780 2727641230 2749118720 2861787520 3886391008 4143467456 4192406048 4364225968 4857988760 5179334320 5240507560 5455282460 5723575040 7772782016 8286934912 8384812096 8728451936 9715977520 10358668640 10481015120 10910564920 15545564032 16573869824 16638611503 16769624192 17456903872 19431955040 20717337280 20962030240 21821129840 31091128064 33277223006 33539248384 34913807744 38863910080 41434674560 41924060480 43642259680 66554446012 69827615488 77727820160 82869349120 83193057515 83848120960 87284519360 133108892024 155455640320 166386115030 167696241920 174569038720 266217784048 332772230060 349138077440 532435568096 665544460120 1064871136192 1331088920240 2129742272384 2662177840480 4259484544768 5324355680960 10648711361920 21297422723840
• Sum of all divisors σ(n): 52858794433536
• Sum of proper divisors (its aliquot sum) s(n): 31561371709696
• 21297422723840 is an abundant number, because the sum of its proper divisors (31561371709696) is greater than itself. Its abundance is 10263948985856

Bases of 21297422723840

• Binary: 100110101111010110001010100001110101100000000₂
• Hexadecimal: 0x135EB150EB00
• Base-36: 7JRWFLU68

Squares and roots of 21297422723840

• 21297422723840 squared (21297422723840²) is 453580214677936404904345600
• 21297422723840 cubed (21297422723840³) is 9660089571166108296888205203004719104000
• The square root of 21297422723840 is 4614913.0786873983
• The cube root of 21297422723840 is 27718.8803427967

Scales and comparisons

• 21,297,422,723,840 seconds is equal to 677,192 years, 8 weeks, 4 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 21,297,422,723,840 would take you about one million, six hundred ninety-two thousand, nine hundred eighty 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 21297422723840 cubic inches would be around 2309.9 feet tall.

Recreational maths with 21297422723840

• 21297422723840 backwards is 04832722479212
• The number of decimal digits it has is: 14
• The sum of 21297422723840's digits is 53
• More coming soon!