138157397920
138,157,397,920 is an even composite number composed of six prime numbers multiplied together.
138157397920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138157397920:
25 × 5 × 172 × 113 × 137 × 193
(2 × 2 × 2 × 2 × 2 × 5 × 17 × 17 × 113 × 137 × 193)See below for interesting mathematical facts about the number 138157397920 from the Numbermatics database.
Names of 138157397920
- Cardinal: 138157397920 can be written as One hundred thirty-eight billion, one hundred fifty-seven million, three hundred ninety-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3815739792 × 1011
Factors of 138157397920
Divisors of 138157397920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 113 136 137 160 170 193 226 272 274 289 340 386 452 544 548 565 578 680 685 772 904 965 1096 1130 1156 1360 1370 1445 1544 1808 1921 1930 2192 2260 2312 2329 2720 2740 2890 3088 3281 3616 3842 3860 4384 4520 4624 4658 5480 5780 6176 6562 7684 7720 9040 9248 9316 9605 10960 11560 11645 13124 15368 15440 15481 16405 18080 18632 19210 21809 21920 23120 23290 26248 26441 30736 30880 30962 32657 32810 37264 38420 39593 43618 46240 46580 52496 52882 55777 61472 61924 65314 65620 74528 76840 77405 79186 87236 93160 104992 105764 109045 111554 123848 130628 131240 132205 153680 154810 158372 163285 174472 186320 197965 211528 218090 223108 247696 261256 262480 263177 264410 278885 307360 309620 316744 326570 348944 370753 372640 395930 423056 436180 446216 449497 495392 522512 524960 526354 528820 557770 619240 633488 653140 697888 741506 791860 846112 872360 892432 898994 1045024 1052708 1057640 1115540 1238480 1266976 1306280 1315885 1483012 1583720 1744720 1784864 1797988 1853765 2105416 2115280 2231080 2247485 2476960 2612560 2631770 2966024 2987833 3167440 3489440 3595976 3707530 4210832 4230560 4462160 4474009 4494970 5225120 5263540 5932048 5975666 6302801 6334880 7191952 7415060 7641449 8421664 8924320 8948018 8989940 10527080 11864096 11951332 12605602 14383904 14830120 14939165 15282898 17896036 17979880 21054160 22370045 23902664 25211204 29660240 29878330 30565796 31514005 35792072 35959760 38207245 42108320 44740090 47805328 50422408 50793161 59320480 59756660 61131592 63028010 71584144 71919520 76414490 89480180 95610656 100844816 101586322 119513320 122263184 126056020 143168288 152828980 178960360 201689632 203172644 239026640 244526368 252112040 253965805 305657960 357920720 406345288 478053280 504224080 507931610 611315920 715841440 812690576 863483737 1008448160 1015863220 1222631840 1625381152 1726967474 2031726440 3453934948 4063452880 4317418685 6907869896 8126905760 8634837370 13815739792 17269674740 27631479584 34539349480 69078698960 138157397920
- Sum of all divisors σ(n): 354173320368
- Sum of proper divisors (its aliquot sum) s(n): 216015922448
- 138157397920 is an abundant number, because the sum of its proper divisors (216015922448) is greater than itself. Its abundance is 77858524528
Bases of 138157397920
- Binary: 100000001010101101001010010111101000002
- Hexadecimal: 0x202AD297A0
- Base-36: 1RGVCIHS
Squares and roots of 138157397920
- 138157397920 squared (1381573979202) is 19087466600025220326400
- 138157397920 cubed (1381573979203) is 2637074718344393846670117081088000
-
The
square root of 138157397920 is 371695.3025261417 -
The
cube root of 138157397920 is 5169.6131852209
Scales and comparisons
How big is 138157397920?- 138,157,397,920 seconds is equal to 4,392 years, 50 weeks, 5 days, 22 hours, 58 minutes, 40 seconds.
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To count from 1 to 138,157,397,920 would take you about eight thousand, seven hundred eighty-five 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 138157397920 cubic inches would be around 430.8 feet tall.
Recreational maths with 138157397920
- 138157397920 backwards is 029793751831
- The number of decimal digits it has is: 12
- The sum of 138157397920's digits is 55
- More coming soon!
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