1388113920
1,388,113,920 is an even composite number composed of five prime numbers multiplied together.
1388113920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twelve divisors.
Prime factorization of 1388113920:
212 × 32 × 5 × 17 × 443
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 443)See below for interesting mathematical facts about the number 1388113920 from the Numbermatics database.
Names of 1388113920
- Cardinal: 1388113920 can be written as One billion, three hundred eighty-eight million, one hundred thirteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.38811392 × 109
Factors of 1388113920
Divisors of 1388113920
- Number of divisors d(n): 312
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 256 272 288 306 320 340 360 384 408 443 480 510 512 544 576 612 640 680 720 765 768 816 886 960 1020 1024 1088 1152 1224 1280 1329 1360 1440 1530 1536 1632 1772 1920 2040 2048 2176 2215 2304 2448 2560 2658 2720 2880 3060 3072 3264 3544 3840 3987 4080 4096 4352 4430 4608 4896 5120 5316 5440 5760 6120 6144 6528 6645 7088 7531 7680 7974 8160 8704 8860 9216 9792 10240 10632 10880 11520 12240 12288 13056 13290 14176 15062 15360 15948 16320 17408 17720 18432 19584 19935 20480 21264 21760 22593 23040 24480 26112 26580 28352 30124 30720 31896 32640 34816 35440 36864 37655 39168 39870 42528 43520 45186 46080 48960 52224 53160 56704 60248 61440 63792 65280 67779 69632 70880 75310 78336 79740 85056 87040 90372 92160 97920 104448 106320 112965 113408 120496 127584 130560 135558 141760 150620 156672 159480 170112 174080 180744 184320 195840 208896 212640 225930 226816 240992 255168 261120 271116 283520 301240 313344 318960 338895 340224 348160 361488 391680 425280 451860 453632 481984 510336 522240 542232 567040 602480 626688 637920 677790 680448 722976 783360 850560 903720 907264 963968 1020672 1044480 1084464 1134080 1204960 1275840 1355580 1360896 1445952 1566720 1701120 1807440 1814528 1927936 2041344 2168928 2268160 2409920 2551680 2711160 2721792 2891904 3133440 3402240 3614880 3855872 4082688 4337856 4536320 4819840 5103360 5422320 5443584 5783808 6804480 7229760 7711744 8165376 8675712 9072640 9639680 10206720 10844640 11567616 13608960 14459520 15423488 16330752 17351424 19279360 20413440 21689280 23135232 27217920 28919040 30846976 34702848 38558720 40826880 43378560 46270464 57838080 69405696 77117440 81653760 86757120 92540928 115676160 138811392 154234880 173514240 231352320 277622784 347028480 462704640 694056960 1388113920
- Sum of all divisors σ(n): 5106072816
- Sum of proper divisors (its aliquot sum) s(n): 3717958896
- 1388113920 is an abundant number, because the sum of its proper divisors (3717958896) is greater than itself. Its abundance is 2329844976
Bases of 1388113920
- Binary: 10100101011110011110000000000002
- Hexadecimal: 0x52BCF000
- Base-36: MYG3K0
Squares and roots of 1388113920
- 1388113920 squared (13881139202) is 1926860254897766400
- 1388113920 cubed (13881139203) is 2674701541718337716748288000
-
The
square root of 1388113920 is 37257.4008755305 -
The
cube root of 1388113920 is 1115.5140289781
Scales and comparisons
How big is 1388113920?- 1,388,113,920 seconds is equal to 44 years, 7 weeks, 1 day, 3 hours, 12 minutes.
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To count from 1 to 1,388,113,920 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 1388113920 cubic inches would be around 93 feet tall.
Recreational maths with 1388113920
- 1388113920 backwards is 0293118831
- 1388113920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1388113920's digits is 36
- More coming soon!
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