138728707328
138,728,707,328 is an even composite number composed of four prime numbers multiplied together.
What does the number 138728707328 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 216 divisors.
138728707328 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 138728707328:
28 × 193 × 412 × 47
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 19 × 19 × 41 × 41 × 47)See below for interesting mathematical facts about the number 138728707328 from the Numbermatics database.
Names of 138728707328
- Cardinal: 138728707328 can be written as One hundred thirty-eight billion, seven hundred twenty-eight million, seven hundred seven thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38728707328 × 1011
Factors of 138728707328
Divisors of 138728707328
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 8 16 19 32 38 41 47 64 76 82 94 128 152 164 188 256 304 328 361 376 608 656 722 752 779 893 1216 1312 1444 1504 1558 1681 1786 1927 2432 2624 2888 3008 3116 3362 3572 3854 4864 5248 5776 6016 6232 6724 6859 7144 7708 10496 11552 12032 12464 13448 13718 14288 14801 15416 16967 23104 24928 26896 27436 28576 29602 30832 31939 33934 36613 46208 49856 53792 54872 57152 59204 61664 63878 67868 73226 79007 92416 99712 107584 109744 114304 118408 123328 127756 135736 146452 158014 199424 215168 219488 228608 236816 246656 255512 271472 281219 292904 316028 322373 430336 438976 473632 493312 511024 542944 562438 585808 606841 632056 644746 695647 877952 947264 1022048 1085888 1124876 1171616 1213682 1264112 1289492 1391294 1501133 1755904 1894528 2044096 2171776 2249752 2343232 2427364 2528224 2578984 2782588 3002266 3789056 4088192 4343552 4499504 4686464 4854728 5056448 5157968 5565176 6004532 8176384 8999008 9372928 9709456 10112896 10315936 11130352 11529979 12009064 13217293 17998016 19418912 20225792 20631872 22260704 23059958 24018128 26434586 28521527 35996032 38837824 41263744 44521408 46119916 48036256 52869172 57043054 71992064 77675648 82527488 89042816 92239832 96072512 105738344 114086108 155351296 178085632 184479664 192145024 211476688 228172216 368959328 384290048 422953376 456344432 541909013 737918656 845906752 912688864 1083818026 1475837312 1691813504 1825377728 2167636052 2951674624 3383627008 3650755456 4335272104 7301510912 8670544208 17341088416 34682176832 69364353664 138728707328
- Sum of all divisors σ(n): 305975026560
- Sum of proper divisors (its aliquot sum) s(n): 167246319232
- 138728707328 is an abundant number, because the sum of its proper divisors (167246319232) is greater than itself. Its abundance is 28517611904
Bases of 138728707328
- Binary: 100000010011001110000000010101000000002
- Hexadecimal: 0x204CE01500
- Base-36: 1RQBHNNK
Squares and roots of 138728707328
- 138728707328 squared (1387287073282) is 19245654236897880899584
- 138728707328 cubed (1387287073283) is 2669924733966489297941790092951552
-
The
square root of 138728707328 is 372463.0281356797 -
The
cube root of 138728707328 is 5176.7291919867
Scales and comparisons
How big is 138728707328?- 138,728,707,328 seconds is equal to 4,411 years, 7 weeks, 3 days, 8 hours, 2 minutes, 8 seconds.
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To count from 1 to 138,728,707,328 would take you about eight thousand, eight hundred twenty-two 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 138728707328 cubic inches would be around 431.4 feet tall.
Recreational maths with 138728707328
- 138728707328 backwards is 823707827831
- The number of decimal digits it has is: 12
- The sum of 138728707328's digits is 56
- More coming soon!
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