21321959997440
21,321,959,997,440 is an even composite number composed of five prime numbers multiplied together.
21321959997440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21321959997440:
217 × 5 × 37 × 439 × 2003
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 439 × 2003)See below for interesting mathematical facts about the number 21321959997440 from the Numbermatics database.
Names of 21321959997440
- Cardinal: 21321959997440 can be written as Twenty-one trillion, three hundred twenty-one billion, nine hundred fifty-nine million, nine hundred ninety-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.132195999744 × 1013
Factors of 21321959997440
Divisors of 21321959997440
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 37 40 64 74 80 128 148 160 185 256 296 320 370 439 512 592 640 740 878 1024 1184 1280 1480 1756 2003 2048 2195 2368 2560 2960 3512 4006 4096 4390 4736 5120 5920 7024 8012 8192 8780 9472 10015 10240 11840 14048 16024 16243 16384 17560 18944 20030 20480 23680 28096 32048 32486 32768 35120 37888 40060 40960 47360 56192 64096 64972 65536 70240 74111 75776 80120 81215 81920 94720 112384 128192 129944 131072 140480 148222 151552 160240 162430 163840 189440 224768 256384 259888 280960 296444 303104 320480 324860 327680 370555 378880 449536 512768 519776 561920 592888 606208 640960 649720 655360 741110 757760 879317 899072 1025536 1039552 1123840 1185776 1212416 1281920 1299440 1482220 1515520 1758634 1798144 2051072 2079104 2247680 2371552 2424832 2563840 2598880 2964440 3031040 3517268 3596288 4102144 4158208 4396585 4495360 4743104 4849664 5127680 5197760 5928880 6062080 7034536 7192576 8204288 8316416 8793170 8990720 9486208 10255360 10395520 11857760 12124160 14069072 14385152 16408576 16632832 17586340 17981440 18972416 20510720 20791040 23715520 24248320 28138144 28770304 32534729 32817152 33265664 35172680 35962880 37944832 41021440 41582080 47431040 56276288 57540608 65069458 65634304 66531328 70345360 71925760 75889664 82042880 83164160 94862080 112552576 130138916 131268608 133062656 140690720 143851520 151779328 162673645 164085760 166328320 189724160 225105152 260277832 262537216 266125312 281381440 287703040 303558656 325347290 328171520 332656640 379448320 450210304 520555664 532250624 562762880 607117312 650694580 656343040 665313280 758896640 900420608 1041111328 1064501248 1125525760 1214234624 1301389160 1312686080 1330626560 1517793280 1800841216 2082222656 2129002496 2251051520 2428469248 2602778320 2661253120 3035586560 3601682432 4164445312 4502103040 4856938496 5205556640 5322506240 6071173120 7203364864 8328890624 9004206080 9713876992 10411113280 10645012480 12142346240 14406729728 16657781248 18008412160 20822226560 24284692480 28813459456 33315562496 36016824320 41644453120 48569384960 57626918912 66631124992 72033648640 83288906240 115253837824 133262249984 144067297280 166577812480 266524499968 288134594560 333155624960 533048999936 576269189120 666311249920 1066097999872 1332622499840 2132195999744 2665244999680 4264391999488 5330489999360 10660979998720 21321959997440
- Sum of all divisors σ(n): 52701564263040
- Sum of proper divisors (its aliquot sum) s(n): 31379604265600
- 21321959997440 is an abundant number, because the sum of its proper divisors (31379604265600) is greater than itself. Its abundance is 10057644268160
Bases of 21321959997440
- Binary: 1001101100100011001111101101000000000000000002
- Hexadecimal: 0x136467DA0000
- Base-36: 7K368GRNK
Squares and roots of 21321959997440
- 21321959997440 squared (213219599974402) is 454625978132431564806553600
- 21321959997440 cubed (213219599974403) is 9693516919536738023523718791151222784000
-
The
square root of 21321959997440 is 4617570.7896511993 -
The
cube root of 21321959997440 is 27729.5214537367
Scales and comparisons
How big is 21321959997440?- 21,321,959,997,440 seconds is equal to 677,972 years, 19 weeks, 3 days, 9 hours, 57 minutes, 20 seconds.
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To count from 1 to 21,321,959,997,440 would take you about one million, six hundred ninety-four thousand, nine hundred thirty 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 21321959997440 cubic inches would be around 2310.8 feet tall.
Recreational maths with 21321959997440
- 21321959997440 backwards is 04479995912312
- The number of decimal digits it has is: 14
- The sum of 21321959997440's digits is 65
- More coming soon!
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