18138862464
18,138,862,464 is an even composite number composed of six prime numbers multiplied together.
18138862464 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 18138862464:
27 × 3 × 29 × 53 × 73 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 29 × 53 × 73 × 421)See below for interesting mathematical facts about the number 18138862464 from the Numbermatics database.
Names of 18138862464
- Cardinal: 18138862464 can be written as Eighteen billion, one hundred thirty-eight million, eight hundred sixty-two thousand, four hundred sixty-four.
Scientific notation
- Scientific notation: 1.8138862464 × 1010
Factors of 18138862464
Divisors of 18138862464
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 29 32 48 53 58 64 73 87 96 106 116 128 146 159 174 192 212 219 232 292 318 348 384 421 424 438 464 584 636 696 842 848 876 928 1168 1263 1272 1392 1537 1684 1696 1752 1856 2117 2336 2526 2544 2784 3074 3368 3392 3504 3712 3869 4234 4611 4672 5052 5088 5568 6148 6351 6736 6784 7008 7738 8468 9222 9344 10104 10176 11136 11607 12209 12296 12702 13472 14016 15476 16936 18444 20208 20352 22313 23214 24418 24592 25404 26944 28032 30733 30952 33872 36627 36888 40416 44626 46428 48836 49184 50808 53888 61466 61904 66939 67744 73254 73776 80832 89252 92199 92856 97672 98368 101616 112201 122932 123808 133878 135488 146508 147552 161664 178504 184398 185712 195344 196736 203232 224402 245864 247616 267756 270976 293016 295104 336603 357008 368796 371424 390688 406464 448804 491728 495232 535512 586032 590208 647077 673206 714016 737592 742848 781376 812928 891257 897608 983456 1071024 1172064 1294154 1346412 1428032 1475184 1485696 1562752 1628849 1782514 1795216 1941231 1966912 2142048 2344128 2588308 2673771 2692824 2856064 2950368 3257698 3565028 3590432 3882462 3933824 4284096 4688256 4886547 5176616 5347542 5385648 5900736 6515396 7130056 7180864 7764924 8568192 9773094 10353232 10695084 10771296 11801472 13030792 14260112 14361728 15529848 19546188 20706464 21390168 21542592 26061584 28520224 31059696 39092376 41412928 42780336 43085184 47236621 52123168 57040448 62119392 78184752 82825856 85560672 94473242 104246336 114080896 124238784 141709863 156369504 171121344 188946484 208492672 248477568 283419726 312739008 342242688 377892968 566839452 625478016 755785936 1133678904 1511571872 2267357808 3023143744 4534715616 6046287488 9069431232 18138862464
- Sum of all divisors σ(n): 51601147200
- Sum of proper divisors (its aliquot sum) s(n): 33462284736
- 18138862464 is an abundant number, because the sum of its proper divisors (33462284736) is greater than itself. Its abundance is 15323422272
Bases of 18138862464
- Binary: 100001110010010100100010011100000002
- Hexadecimal: 0x439291380
- Base-36: 8BZERUO
Squares and roots of 18138862464
- 18138862464 squared (181388624642) is 329018331487908151296
- 18138862464 cubed (181388624643) is 5968018262993926435422647353344
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The
square root of 18138862464 is 134680.5942368833 -
The
cube root of 18138862464 is 2627.4634453391
Scales and comparisons
How big is 18138862464?- 18,138,862,464 seconds is equal to 576 years, 39 weeks, 3 days, 12 hours, 54 minutes, 24 seconds.
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To count from 1 to 18,138,862,464 would take you about one thousand, one hundred fifty-three 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 18138862464 cubic inches would be around 219 feet tall.
Recreational maths with 18138862464
- 18138862464 backwards is 46426883181
- The number of decimal digits it has is: 11
- The sum of 18138862464's digits is 51
- More coming soon!
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