18388949712
18,388,949,712 is an even composite number composed of six prime numbers multiplied together.
18388949712 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 18388949712:
24 × 3 × 72 × 61 × 67 × 1913
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 61 × 67 × 1913)See below for interesting mathematical facts about the number 18388949712 from the Numbermatics database.
Names of 18388949712
- Cardinal: 18388949712 can be written as Eighteen billion, three hundred eighty-eight million, nine hundred forty-nine thousand, seven hundred twelve.
Scientific notation
- Scientific notation: 1.8388949712 × 1010
Factors of 18388949712
Divisors of 18388949712
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 61 67 84 98 112 122 134 147 168 183 196 201 244 268 294 336 366 392 402 427 469 488 536 588 732 784 804 854 938 976 1072 1176 1281 1407 1464 1608 1708 1876 1913 2352 2562 2814 2928 2989 3216 3283 3416 3752 3826 4087 5124 5628 5739 5978 6566 6832 7504 7652 8174 8967 9849 10248 11256 11478 11956 12261 13132 13391 15304 16348 17934 19698 20496 22512 22956 23912 24522 26264 26782 28609 30608 32696 35868 39396 40173 45912 47824 49044 52528 53564 57218 65392 71736 78792 80346 85827 91824 93737 98088 107128 114436 116693 128171 143472 157584 160692 171654 187474 196176 200263 214256 228872 233386 256342 281211 321384 343308 350079 374948 384513 400526 457744 466772 512684 562422 600789 642768 686616 700158 749896 769026 801052 816851 897197 933544 1025368 1124844 1201578 1373232 1400316 1499792 1538052 1602104 1633702 1794394 1867088 2050736 2249688 2403156 2450553 2691591 2800632 3076104 3204208 3267404 3588788 4499376 4806312 4901106 5383182 5601264 5717957 6152208 6280379 6534808 7177576 7818431 9612624 9802212 10766364 11435914 12560758 13069616 14355152 15636862 17153871 18841137 19604424 21532728 22871828 23455293 25121516 31273724 34307742 37682274 39208848 43065456 45743656 46910586 50243032 54729017 62547448 68615484 75364548 91487312 93821172 100486064 109458034 125094896 137230968 150729096 164187051 187642344 218916068 274461936 301458192 328374102 375284688 383103119 437832136 656748204 766206238 875664272 1149309357 1313496408 1532412476 2298618714 2626992816 3064824952 4597237428 6129649904 9194474856 18388949712
- Sum of all divisors σ(n): 57034688832
- Sum of proper divisors (its aliquot sum) s(n): 38645739120
- 18388949712 is an abundant number, because the sum of its proper divisors (38645739120) is greater than itself. Its abundance is 20256789408
Bases of 18388949712
- Binary: 100010010000001000100011010110100002
- Hexadecimal: 0x448111AD0
- Base-36: 8G4B0EO
Squares and roots of 18388949712
- 18388949712 squared (183889497122) is 338153471510464882944
- 18388949712 cubed (183889497123) is 6218287182544163414199182512128
-
The
square root of 18388949712 is 135605.8616432197 -
The
cube root of 18388949712 is 2639.4836432733
Scales and comparisons
How big is 18388949712?- 18,388,949,712 seconds is equal to 584 years, 37 weeks, 1 hour, 35 minutes, 12 seconds.
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To count from 1 to 18,388,949,712 would take you about one thousand, one hundred sixty-nine 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 18388949712 cubic inches would be around 220 feet tall.
Recreational maths with 18388949712
- 18388949712 backwards is 21794988381
- The number of decimal digits it has is: 11
- The sum of 18388949712's digits is 60
- More coming soon!
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