21642197972211840
21,642,197,972,211,840 is an even composite number composed of five prime numbers multiplied together.
21642197972211840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21642197972211840:
27 × 3 × 5 × 29 × 388688900363
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 388688900363)See below for interesting mathematical facts about the number 21642197972211840 from the Numbermatics database.
Names of 21642197972211840
- Cardinal: 21642197972211840 can be written as Twenty-one quadrillion, six hundred forty-two trillion, one hundred ninety-seven billion, nine hundred seventy-two million, two hundred eleven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.164219797221184 × 1016
Factors of 21642197972211840
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 11
- Sum of prime factors: 388688900402
Divisors of 21642197972211840
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 290 320 348 384 435 464 480 580 640 696 870 928 960 1160 1392 1740 1856 1920 2320 2784 3480 3712 4640 5568 6960 9280 11136 13920 18560 27840 55680 388688900363 777377800726 1166066701089 1554755601452 1943444501815 2332133402178 3109511202904 3886889003630 4664266804356 5830333505445 6219022405808 7773778007260 9328533608712 11271978110527 11660667010890 12438044811616 15547556014520 18657067217424 22543956221054 23321334021780 24876089623232 31095112029040 33815934331581 37314134434848 45087912442108 46642668043560 49752179246464 56359890552635 62190224058080 67631868663162 74628268869696 90175824884216 93285336087120 112719781105270 124380448116160 135263737326324 149256537739392 169079671657905 180351649768432 186570672174240 225439562210540 248760896232320 270527474652648 338159343315810 360703299536864 373141344348480 450879124421080 541054949305296 676318686631620 721406599073728 746282688696960 901758248842160 1082109898610592 1352637373263240 1442813198147456 1803516497684320 2164219797221184 2705274746526480 3607032995368640 4328439594442368 5410549493052960 7214065990737280 10821098986105920 21642197972211840
- Sum of all divisors σ(n): 71363282106830400
- Sum of proper divisors (its aliquot sum) s(n): 49721084134618560
- 21642197972211840 is an abundant number, because the sum of its proper divisors (49721084134618560) is greater than itself. Its abundance is 28078886162406720
Bases of 21642197972211840
- Binary: 10011001110001101110110111000100100101011011000100000002
- Hexadecimal: 0x4CE376E24AD880
- Base-36: 5X3IOHRNUDC
Squares and roots of 21642197972211840
- 21642197972211840 squared (216421979722118402) is 468384733068410279220821836185600
- 21642197972211840 cubed (216421979722118403) is 10136875120228132904070036116819447433380757504000
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The
square root of 21642197972211840 is 147112874.9369403087 -
The
cube root of 21642197972211840 is 278676.5691154045
Scales and comparisons
How big is 21642197972211840?- 21,642,197,972,211,840 seconds is equal to 688,154,951 years, 41 weeks, 5 days, 3 hours, 44 minutes.
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To count from 1 to 21,642,197,972,211,840 would take you about two billion, sixty-four million, four hundred sixty-four thousand, eight hundred fifty-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 21642197972211840 cubic inches would be around 23223 feet tall.
Recreational maths with 21642197972211840
- 21642197972211840 backwards is 04811227979124612
- The number of decimal digits it has is: 17
- The sum of 21642197972211840's digits is 66
- More coming soon!
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