138846991920
138,846,991,920 is an even composite number composed of six prime numbers multiplied together.
138846991920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 138846991920:
24 × 3 × 5 × 72 × 13 × 9532
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 13 × 953 × 953)See below for interesting mathematical facts about the number 138846991920 from the Numbermatics database.
Names of 138846991920
- Cardinal: 138846991920 can be written as One hundred thirty-eight billion, eight hundred forty-six million, nine hundred ninety-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3884699192 × 1011
Factors of 138846991920
Divisors of 138846991920
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 49 52 56 60 65 70 78 80 84 91 98 104 105 112 120 130 140 147 156 168 182 195 196 208 210 240 245 260 273 280 294 312 336 364 390 392 420 455 490 520 546 560 588 624 637 728 735 780 784 840 910 953 980 1040 1092 1176 1274 1365 1456 1470 1560 1680 1820 1906 1911 1960 2184 2352 2548 2730 2859 2940 3120 3185 3640 3812 3822 3920 4368 4765 5096 5460 5718 5880 6370 6671 7280 7624 7644 9530 9555 10192 10920 11436 11760 12389 12740 13342 14295 15248 15288 19060 19110 20013 21840 22872 24778 25480 26684 28590 30576 33355 37167 38120 38220 40026 45744 46697 49556 50960 53368 57180 61945 66710 74334 76240 76440 80052 86723 93394 99112 100065 106736 114360 123890 133420 140091 148668 152880 160104 173446 185835 186788 198224 200130 228720 233485 247780 260169 266840 280182 297336 320208 346892 371670 373576 400260 433615 466970 495560 520338 533680 560364 594672 607061 693784 700455 743340 747152 800520 867230 908209 933940 991120 1040676 1120728 1214122 1300845 1387568 1400910 1486680 1601040 1734460 1816418 1821183 1867880 2081352 2241456 2428244 2601690 2724627 2801820 2973360 3035305 3468920 3632836 3642366 3735760 4162704 4541045 4856488 5203380 5449254 5603640 6070610 6357463 6937840 7265672 7284732 9082090 9105915 9712976 10406760 10898508 11207280 11806717 12141220 12714926 13623135 14531344 14569464 18164180 18211830 19072389 20813520 21797016 23613434 24282440 25429852 27246270 29138928 31787315 35420151 36328360 36423660 38144778 43594032 44502241 47226868 48564880 50859704 54492540 59033585 63574630 70840302 72656720 72847320 76289556 82647019 89004482 94453736 95361945 101719408 108985080 118067170 127149260 133506723 141680604 145694640 152579112 165294038 177100755 178008964 188907472 190723890 217970160 222511205 236134340 247941057 254298520 267013446 283361208 305158224 330588076 354201510 356017928 381447780 413235095 445022410 472268680 495882114 508597040 534026892 566722416 578529133 661176152 667533615 708403020 712035856 762895560 826470190 890044820 944537360 991764228 1068053784 1157058266 1239705285 1322352304 1335067230 1416806040 1525791120 1652940380 1735587399 1780089640 1983528456 2136107568 2314116532 2479410570 2670134460 2833612080 2892645665 3305880760 3471174798 3560179280 3967056912 4628233064 4958821140 5340268920 5785291330 6611761520 6942349596 8677936995 9256466128 9917642280 10680537840 11570582660 13884699192 17355873990 19835284560 23141165320 27769398384 34711747980 46282330640 69423495960 138846991920
- Sum of all divisors σ(n): 539780983056
- Sum of proper divisors (its aliquot sum) s(n): 400933991136
- 138846991920 is an abundant number, because the sum of its proper divisors (400933991136) is greater than itself. Its abundance is 262086999216
Bases of 138846991920
- Binary: 100000010100111110110011110110001100002
- Hexadecimal: 0x2053ECF630
- Base-36: 1RS9WWMO
Squares and roots of 138846991920
- 138846991920 squared (1388469919202) is 19278487165232545286400
- 138846991920 cubed (1388469919203) is 2676759951660866920301814885888000
-
The
square root of 138846991920 is 372621.7813279305 -
The
cube root of 138846991920 is 5178.2000563919
Scales and comparisons
How big is 138846991920?- 138,846,991,920 seconds is equal to 4,414 years, 47 weeks, 8 hours, 52 minutes.
-
To count from 1 to 138,846,991,920 would take you about eight thousand, eight hundred twenty-nine 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 138846991920 cubic inches would be around 431.5 feet tall.
Recreational maths with 138846991920
- 138846991920 backwards is 029199648831
- 138846991920 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138846991920's digits is 60
- More coming soon!
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