138388184640
138,388,184,640 is an even composite number composed of five prime numbers multiplied together.
138388184640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 138388184640:
26 × 33 × 5 × 1072 × 1399
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 107 × 107 × 1399)See below for interesting mathematical facts about the number 138388184640 from the Numbermatics database.
Names of 138388184640
- Cardinal: 138388184640 can be written as One hundred thirty-eight billion, three hundred eighty-eight million, one hundred eighty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3838818464 × 1011
Factors of 138388184640
Divisors of 138388184640
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 107 108 120 135 144 160 180 192 214 216 240 270 288 320 321 360 428 432 480 535 540 576 642 720 856 864 960 963 1070 1080 1284 1399 1440 1605 1712 1728 1926 2140 2160 2568 2798 2880 2889 3210 3424 3852 4197 4280 4320 4815 5136 5596 5778 6420 6848 6995 7704 8394 8560 8640 9630 10272 11192 11449 11556 12591 12840 13990 14445 15408 16788 17120 19260 20544 20985 22384 22898 23112 25182 25680 27980 28890 30816 33576 34240 34347 37773 38520 41970 44768 45796 46224 50364 51360 55960 57245 57780 61632 62955 67152 68694 75546 77040 83940 89536 91592 92448 100728 102720 103041 111920 114490 115560 125910 134304 137388 149693 151092 154080 167880 171735 183184 184896 188865 201456 206082 223840 228980 231120 251820 268608 274776 299386 302184 308160 309123 335760 343470 366368 377730 402912 412164 447680 449079 457960 462240 503640 515205 549552 598772 604368 618246 671520 686940 732736 748465 755460 805824 824328 898158 915920 924480 1007280 1030410 1099104 1197544 1208736 1236492 1343040 1347237 1373880 1496930 1510920 1545615 1648656 1796316 1831840 2014560 2060820 2198208 2245395 2395088 2417472 2472984 2694474 2747760 2993860 3021840 3091230 3297312 3592632 3663680 4029120 4041711 4121640 4490790 4790176 4945968 5388948 5495520 5987720 6043680 6182460 6594624 6736185 7185264 8083422 8243280 8981580 9580352 9891936 10777896 10991040 11975440 12087360 12364920 13472370 14370528 16017151 16166844 16486560 17963160 19783872 20208555 21555792 23950880 24729840 26944740 28741056 32034302 32333688 32973120 35926320 40417110 43111584 47901760 48051453 49459680 53889480 64068604 64667376 71852640 80085755 80834220 86223168 96102906 98919360 107778960 128137208 129334752 143705280 144154359 160171510 161668440 192205812 215557920 240257265 256274416 258669504 288308718 320343020 323336880 384411624 431115840 432463077 480514530 512548832 576617436 640686040 646673760 720771795 768823248 864926154 961029060 1025097664 1153234872 1281372080 1293347520 1441543590 1537646496 1729852308 1922058120 2162315385 2306469744 2562744160 2883087180 3075292992 3459704616 3844116240 4324630770 4612939488 5125488320 5766174360 6919409232 7688232480 8649261540 9225878976 11532348720 13838818464 15376464960 17298523080 23064697440 27677636928 34597046160 46129394880 69194092320 138388184640
- Sum of all divisors σ(n): 493160304000
- Sum of proper divisors (its aliquot sum) s(n): 354772119360
- 138388184640 is an abundant number, because the sum of its proper divisors (354772119360) is greater than itself. Its abundance is 216383934720
Bases of 138388184640
- Binary: 100000001110001001010000011110010000002
- Hexadecimal: 0x2038941E40
- Base-36: 1RKOR2O0
Squares and roots of 138388184640
- 138388184640 squared (1383881846402) is 19151289647954731929600
- 138388184640 cubed (1383881846403) is 2650312207895280040635188281344000
-
The
square root of 138388184640 is 372005.6244736093 -
The
cube root of 138388184640 is 5172.4901317903
Scales and comparisons
How big is 138388184640?- 138,388,184,640 seconds is equal to 4,400 years, 16 weeks, 3 days, 2 hours, 24 minutes.
-
To count from 1 to 138,388,184,640 would take you about eight thousand, eight hundred 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 138388184640 cubic inches would be around 431 feet tall.
Recreational maths with 138388184640
- 138388184640 backwards is 046481883831
- 138388184640 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138388184640's digits is 54
- More coming soon!
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