1388641968
1,388,641,968 is an even composite number composed of five prime numbers multiplied together.
1388641968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 1388641968:
24 × 35 × 72 × 37 × 197
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 37 × 197)See below for interesting mathematical facts about the number 1388641968 from the Numbermatics database.
Names of 1388641968
- Cardinal: 1388641968 can be written as One billion, three hundred eighty-eight million, six hundred forty-one thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.388641968 × 109
Factors of 1388641968
Divisors of 1388641968
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 37 42 48 49 54 56 63 72 74 81 84 98 108 111 112 126 144 147 148 162 168 189 196 197 216 222 243 252 259 294 296 324 333 336 378 392 394 432 441 444 486 504 518 567 588 591 592 648 666 756 777 784 788 882 888 972 999 1008 1036 1134 1176 1182 1296 1323 1332 1379 1512 1554 1576 1701 1764 1773 1776 1813 1944 1998 2072 2268 2331 2352 2364 2646 2664 2758 2997 3024 3108 3152 3402 3528 3546 3626 3888 3969 3996 4137 4144 4536 4662 4728 5292 5319 5328 5439 5516 5994 6216 6804 6993 7056 7092 7252 7289 7938 7992 8274 8991 9072 9324 9456 9653 10584 10638 10878 11032 11907 11988 12411 12432 13608 13986 14184 14504 14578 15876 15957 15984 16317 16548 17982 18648 19306 20979 21168 21276 21756 21867 22064 23814 23976 24822 27216 27972 28368 28959 29008 29156 31752 31914 32634 33096 35964 37233 37296 38612 41958 42552 43512 43734 47628 47871 47952 48951 49644 51023 55944 57918 58312 62937 63504 63828 65268 65601 66192 71928 74466 77224 83916 85104 86877 87024 87468 95256 95742 97902 99288 102046 111699 111888 115836 116624 125874 127656 130536 131202 143856 146853 148932 153069 154448 167832 173754 174936 190512 191484 195804 196803 198576 204092 223398 231672 251748 255312 260631 261072 262404 293706 297864 306138 335097 335664 347508 349872 357161 382968 391608 393606 408184 440559 446796 459207 463344 503496 521262 524808 587412 590409 595728 612276 670194 695016 714322 765936 781893 783216 787212 816368 881118 893592 918414 1006992 1042524 1049616 1071483 1174824 1180818 1224552 1340388 1377621 1390032 1428644 1563786 1574424 1762236 1771227 1787184 1836828 2085048 2142966 2345679 2349648 2361636 2449104 2680776 2755242 2857288 3127572 3148848 3214449 3524472 3542454 3673656 4132863 4170096 4285932 4691358 4723272 5361552 5510484 5714576 6255144 6428898 7048944 7084908 7347312 8265726 8571864 9382716 9446544 9643347 11020968 12398589 12510288 12857796 14169816 16531452 17143728 18765432 19286694 22041936 24797178 25715592 28339632 28930041 33062904 37530864 38573388 49594356 51431184 57860082 66125808 77146776 86790123 99188712 115720164 154293552 173580246 198377424 231440328 347160492 462880656 694320984 1388641968
- Sum of all divisors σ(n): 4839346512
- Sum of proper divisors (its aliquot sum) s(n): 3450704544
- 1388641968 is an abundant number, because the sum of its proper divisors (3450704544) is greater than itself. Its abundance is 2062062576
Bases of 1388641968
- Binary: 10100101100010011111110101100002
- Hexadecimal: 0x52C4FEB0
- Base-36: MYRF00
Squares and roots of 1388641968
- 1388641968 squared (13886419682) is 1928326515290913024
- 1388641968 cubed (13886419683) is 2677755127140155554164191232
-
The
square root of 1388641968 is 37264.4866863881 -
The
cube root of 1388641968 is 1115.6554607599
Scales and comparisons
How big is 1388641968?- 1,388,641,968 seconds is equal to 44 years, 8 weeks, 5 hours, 52 minutes, 48 seconds.
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To count from 1 to 1,388,641,968 would take you about eighty-eight 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 1388641968 cubic inches would be around 93 feet tall.
Recreational maths with 1388641968
- 1388641968 backwards is 8691468831
- 1388641968 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1388641968's digits is 54
- More coming soon!
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The information we have on file for 1388641968 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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