21318819840
21,318,819,840 is an even composite number composed of five prime numbers multiplied together.
What does the number 21318819840 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 448 divisors.
21318819840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21318819840:
213 × 33 × 5 × 37 × 521
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 37 × 521)See below for interesting mathematical facts about the number 21318819840 from the Numbermatics database.
Names of 21318819840
- Cardinal: 21318819840 can be written as Twenty-one billion, three hundred eighteen million, eight hundred nineteen thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.131881984 × 1010
Factors of 21318819840
Divisors of 21318819840
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 37 40 45 48 54 60 64 72 74 80 90 96 108 111 120 128 135 144 148 160 180 185 192 216 222 240 256 270 288 296 320 333 360 370 384 432 444 480 512 521 540 555 576 592 640 666 720 740 768 864 888 960 999 1024 1042 1080 1110 1152 1184 1280 1332 1440 1480 1536 1563 1665 1728 1776 1920 1998 2048 2084 2160 2220 2304 2368 2560 2605 2664 2880 2960 3072 3126 3330 3456 3552 3840 3996 4096 4168 4320 4440 4608 4689 4736 4995 5120 5210 5328 5760 5920 6144 6252 6660 6912 7104 7680 7815 7992 8192 8336 8640 8880 9216 9378 9472 9990 10240 10420 10656 11520 11840 12288 12504 13320 13824 14067 14208 15360 15630 15984 16672 17280 17760 18432 18756 18944 19277 19980 20480 20840 21312 23040 23445 23680 24576 25008 26640 27648 28134 28416 30720 31260 31968 33344 34560 35520 36864 37512 37888 38554 39960 40960 41680 42624 46080 46890 47360 50016 53280 55296 56268 56832 57831 61440 62520 63936 66688 69120 70335 71040 73728 75024 75776 77108 79920 83360 85248 92160 93780 94720 96385 100032 106560 110592 112536 113664 115662 122880 125040 127872 133376 138240 140670 142080 150048 151552 154216 159840 166720 170496 173493 184320 187560 189440 192770 200064 213120 221184 225072 227328 231324 250080 255744 266752 276480 281340 284160 289155 300096 303104 308432 319680 333440 340992 346986 368640 375120 378880 385540 400128 426240 450144 454656 462648 500160 511488 520479 533504 552960 562680 568320 578310 600192 616864 639360 666880 681984 693972 750240 757760 771080 800256 852480 867465 900288 909312 925296 1000320 1022976 1040958 1067008 1105920 1125360 1136640 1156620 1200384 1233728 1278720 1333760 1363968 1387944 1500480 1515520 1542160 1600512 1704960 1734930 1800576 1850592 2000640 2045952 2081916 2134016 2250720 2273280 2313240 2400768 2467456 2557440 2602395 2667520 2727936 2775888 3000960 3084320 3201024 3409920 3469860 3601152 3701184 4001280 4091904 4163832 4268032 4501440 4546560 4626480 4801536 4934912 5114880 5204790 5335040 5551776 6001920 6168640 6402048 6819840 6939720 7202304 7402368 8002560 8183808 8327664 9002880 9252960 9603072 9869824 10229760 10409580 10670080 11103552 12003840 12337280 12804096 13639680 13879440 14404608 14804736 16005120 16655328 18005760 18505920 19206144 19739648 20459520 20819160 21340160 22207104 24007680 24674560 27758880 28809216 29609472 32010240 33310656 36011520 37011840 38412288 39479296 40919040 41638320 44414208 48015360 49349120 55517760 57618432 59218944 64020480 66621312 72023040 74023680 78958592 83276640 88828416 96030720 98698240 111035520 115236864 118437888 133242624 144046080 148047360 157917184 166553280 177656832 192061440 197396480 222071040 236875776 266485248 288092160 296094720 333106560 355313664 394792960 444142080 473751552 532970496 576184320 592189440 666213120 710627328 789585920 888284160 1065940992 1184378880 1332426240 1421254656 1776568320 2131881984 2368757760 2664852480 3553136640 4263763968 5329704960 7106273280 10659409920 21318819840
- Sum of all divisors σ(n): 77993565120
- Sum of proper divisors (its aliquot sum) s(n): 56674745280
- 21318819840 is an abundant number, because the sum of its proper divisors (56674745280) is greater than itself. Its abundance is 35355925440
Bases of 21318819840
- Binary: 100111101101011001101100000000000002
- Hexadecimal: 0x4F6B36000
- Base-36: 9SKOAO0
Squares and roots of 21318819840
- 21318819840 squared (213188198402) is 454492079370377625600
- 21318819840 cubed (213188198403) is 9689234758804061232933371904000
-
The
square root of 21318819840 is 146009.6566669479 -
The
cube root of 21318819840 is 2772.8160113315
Scales and comparisons
How big is 21318819840?- 21,318,819,840 seconds is equal to 677 years, 45 weeks, 2 days, 14 hours, 24 minutes.
-
To count from 1 to 21,318,819,840 would take you about one thousand, three 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 21318819840 cubic inches would be around 231.1 feet tall.
Recreational maths with 21318819840
- 21318819840 backwards is 04891881312
- 21318819840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21318819840's digits is 45
- More coming soon!
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The information we have on file for 21318819840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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