138868667520
138,868,667,520 is an even composite number composed of six prime numbers multiplied together.
138868667520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138868667520:
27 × 3 × 5 × 11 × 149 × 44129
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 149 × 44129)See below for interesting mathematical facts about the number 138868667520 from the Numbermatics database.
Names of 138868667520
- Cardinal: 138868667520 can be written as One hundred thirty-eight billion, eight hundred sixty-eight million, six hundred sixty-seven thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.3886866752 × 1011
Factors of 138868667520
Divisors of 138868667520
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 149 160 165 176 192 220 240 264 298 320 330 352 384 440 447 480 528 596 640 660 704 745 880 894 960 1056 1192 1320 1408 1490 1639 1760 1788 1920 2112 2235 2384 2640 2980 3278 3520 3576 4224 4470 4768 4917 5280 5960 6556 7040 7152 8195 8940 9536 9834 10560 11920 13112 14304 16390 17880 19072 19668 21120 23840 24585 26224 28608 32780 35760 39336 44129 47680 49170 52448 57216 65560 71520 78672 88258 95360 98340 104896 131120 132387 143040 157344 176516 196680 209792 220645 262240 264774 286080 314688 353032 393360 441290 485419 524480 529548 629376 661935 706064 786720 882580 970838 1048960 1059096 1323870 1412128 1456257 1573440 1765160 1941676 2118192 2427095 2647740 2824256 2912514 3146880 3530320 3883352 4236384 4854190 5295480 5648512 5825028 6575221 7060640 7281285 7766704 8472768 9708380 10590960 11650056 13150442 14121280 14562570 15533408 16945536 19416760 19725663 21181920 23300112 26300884 28242560 29125140 31066816 32876105 38833520 39451326 42363840 46600224 52601768 58250280 62133632 65752210 72327431 77667040 78902652 84727680 93200448 98628315 105203536 116500560 131504420 144654862 155334080 157805304 186400896 197256630 210407072 216982293 233001120 263008840 289309724 310668160 315610608 361637155 394513260 420814144 433964586 466002240 526017680 578619448 631221216 723274310 789026520 841628288 867929172 932004480 1052035360 1084911465 1157238896 1262442432 1446548620 1578053040 1735858344 2104070720 2169822930 2314477792 2524884864 2893097240 3156106080 3471716688 4208141440 4339645860 4628955584 5786194480 6312212160 6943433376 8679291720 9257911168 11572388960 12624424320 13886866752 17358583440 23144777920 27773733504 34717166880 46289555840 69434333760 138868667520
- Sum of all divisors σ(n): 486136080000
- Sum of proper divisors (its aliquot sum) s(n): 347267412480
- 138868667520 is an abundant number, because the sum of its proper divisors (347267412480) is greater than itself. Its abundance is 208398744960
Bases of 138868667520
- Binary: 100000010101010011011110110100100000002
- Hexadecimal: 0x205537B480
- Base-36: 1RSMTHMO
Squares and roots of 138868667520
- 138868667520 squared (1388686675202) is 19284506818780302950400
- 138868667520 cubed (1388686675203) is 2678013765704374782343972651008000
-
The
square root of 138868667520 is 372650.8654491495 -
The
cube root of 138868667520 is 5178.4695010791
Scales and comparisons
How big is 138868667520?- 138,868,667,520 seconds is equal to 4,415 years, 30 weeks, 6 days, 5 hours, 52 minutes.
-
To count from 1 to 138,868,667,520 would take you about eight thousand, eight hundred thirty-one 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 138868667520 cubic inches would be around 431.5 feet tall.
Recreational maths with 138868667520
- 138868667520 backwards is 025766868831
- 138868667520 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138868667520's digits is 60
- More coming soon!
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