138981242880
138,981,242,880 is an even composite number composed of four prime numbers multiplied together.
138981242880 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138981242880:
211 × 33 × 5 × 7092
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 709 × 709)See below for interesting mathematical facts about the number 138981242880 from the Numbermatics database.
Names of 138981242880
- Cardinal: 138981242880 can be written as One hundred thirty-eight billion, nine hundred eighty-one million, two hundred forty-two thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.3898124288 × 1011
Factors of 138981242880
Divisors of 138981242880
- Number of divisors d(n): 288
-
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 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 709 720 768 864 960 1024 1080 1152 1280 1418 1440 1536 1728 1920 2048 2127 2160 2304 2560 2836 2880 3072 3456 3545 3840 4254 4320 4608 5120 5672 5760 6144 6381 6912 7090 7680 8508 8640 9216 10240 10635 11344 11520 12762 13824 14180 15360 17016 17280 18432 19143 21270 22688 23040 25524 27648 28360 30720 31905 34032 34560 38286 42540 45376 46080 51048 55296 56720 63810 68064 69120 76572 85080 90752 92160 95715 102096 113440 127620 136128 138240 153144 170160 181504 191430 204192 226880 255240 272256 276480 306288 340320 363008 382860 408384 453760 502681 510480 544512 612576 680640 726016 765720 816768 907520 1005362 1020960 1089024 1225152 1361280 1452032 1508043 1531440 1633536 1815040 2010724 2041920 2178048 2450304 2513405 2722560 3016086 3062880 3267072 3630080 4021448 4083840 4356096 4524129 4900608 5026810 5445120 6032172 6125760 6534144 7260160 7540215 8042896 8167680 9048258 9801216 10053620 10890240 12064344 12251520 13068288 13572387 15080430 16085792 16335360 18096516 19602432 20107240 21780480 22620645 24128688 24503040 27144774 30160860 32171584 32670720 36193032 39204864 40214480 45241290 48257376 49006080 54289548 60321720 64343168 65341440 67861935 72386064 80428960 90482580 96514752 98012160 108579096 120643440 128686336 135723870 144772128 160857920 180965160 193029504 196024320 217158192 241286880 257372672 271447740 289544256 321715840 361930320 386059008 434316384 482573760 514745344 542895480 579088512 643431680 723860640 772118016 868632768 965147520 1029490688 1085790960 1158177024 1286863360 1447721280 1544236032 1737265536 1930295040 2171581920 2316354048 2573726720 2895442560 3088472064 3474531072 3860590080 4343163840 4632708096 5147453440 5790885120 6949062144 7721180160 8686327680 9265416192 11581770240 13898124288 15442360320 17372655360 23163540480 27796248576 34745310720 46327080960 69490621440 138981242880
- Sum of all divisors σ(n): 494732674800
- Sum of proper divisors (its aliquot sum) s(n): 355751431920
- 138981242880 is an abundant number, because the sum of its proper divisors (355751431920) is greater than itself. Its abundance is 216770189040
Bases of 138981242880
- Binary: 100000010110111110110101111000000000002
- Hexadecimal: 0x205BED7800
- Base-36: 1RUHUDC0
Squares and roots of 138981242880
- 138981242880 squared (1389812428802) is 19315785872469550694400
- 138981242880 cubed (1389812428803) is 2684531927759763330462879055872000
-
The
square root of 138981242880 is 372801.8815403163 -
The
cube root of 138981242880 is 5179.8684502203
Scales and comparisons
How big is 138981242880?- 138,981,242,880 seconds is equal to 4,419 years, 9 weeks, 4 hours, 48 minutes.
-
To count from 1 to 138,981,242,880 would take you about eight thousand, eight hundred thirty-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 138981242880 cubic inches would be around 431.7 feet tall.
Recreational maths with 138981242880
- 138981242880 backwards is 088242189831
- 138981242880 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138981242880's digits is 54
- More coming soon!
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