13381857720
13,381,857,720 is an even composite number composed of six prime numbers multiplied together.
13381857720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 13381857720:
23 × 34 × 5 × 7 × 11 × 53639
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 53639)See below for interesting mathematical facts about the number 13381857720 from the Numbermatics database.
Names of 13381857720
- Cardinal: 13381857720 can be written as Thirteen billion, three hundred eighty-one million, eight hundred fifty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.338185772 × 1010
Factors of 13381857720
Divisors of 13381857720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 54 55 56 60 63 66 70 72 77 81 84 88 90 99 105 108 110 120 126 132 135 140 154 162 165 168 180 189 198 210 216 220 231 252 264 270 280 297 308 315 324 330 360 378 385 396 405 420 440 462 495 504 540 567 594 616 630 648 660 693 756 770 792 810 840 891 924 945 990 1080 1134 1155 1188 1260 1320 1386 1485 1512 1540 1620 1782 1848 1890 1980 2079 2268 2310 2376 2520 2772 2835 2970 3080 3240 3465 3564 3780 3960 4158 4455 4536 4620 5544 5670 5940 6237 6930 7128 7560 8316 8910 9240 10395 11340 11880 12474 13860 16632 17820 20790 22680 24948 27720 31185 35640 41580 49896 53639 62370 83160 107278 124740 160917 214556 249480 268195 321834 375473 429112 482751 536390 590029 643668 750946 804585 965502 1072780 1126419 1180058 1287336 1448253 1501892 1609170 1770087 1877365 1931004 2145560 2252838 2360116 2413755 2896506 2950145 3003784 3218340 3379257 3540174 3754730 3862008 4130203 4344759 4505676 4720232 4827510 5310261 5632095 5793012 5900290 6436680 6758514 7080348 7241265 7509460 8260406 8689518 8850435 9011352 9655020 10137771 10620522 11264190 11586024 11800580 12390609 13517028 14160696 14482530 15018920 15930783 16520812 16896285 17379036 17700870 19310040 20275542 20651015 21241044 21723795 22528380 23601160 24781218 26551305 27034056 28965060 30413313 31861566 33041624 33792570 34758072 35401740 37171827 40551084 41302030 42482088 43447590 45056760 47792349 49562436 50688855 53102610 57930120 60826626 61953045 63723132 67585140 70803480 74343654 79653915 81102168 82604060 86895180 95584698 99124872 101377710 106205220 111515481 121653252 123906090 127446264 135170280 148687308 152066565 159307830 165208120 173790360 185859135 191169396 202755420 212410440 223030962 238961745 243306504 247812180 297374616 304133130 318615660 334546443 371718270 382338792 405510840 446061924 477923490 495624360 557577405 608266260 637231320 669092886 743436540 892123848 955846980 1115154810 1216532520 1338185772 1486873080 1672732215 1911693960 2230309620 2676371544 3345464430 4460619240 6690928860 13381857720
- Sum of all divisors σ(n): 56077401600
- Sum of proper divisors (its aliquot sum) s(n): 42695543880
- 13381857720 is an abundant number, because the sum of its proper divisors (42695543880) is greater than itself. Its abundance is 29313686160
Bases of 13381857720
- Binary: 11000111011001111011110001101110002
- Hexadecimal: 0x31D9EF1B8
- Base-36: 65B7NI0
Squares and roots of 13381857720
- 13381857720 squared (133818577202) is 179074116038323598400
- 13381857720 cubed (133818577203) is 2396344342159616461107219648000
-
The
square root of 13381857720 is 115679.9797717825 -
The
cube root of 13381857720 is 2374.1353214999
Scales and comparisons
How big is 13381857720?- 13,381,857,720 seconds is equal to 425 years, 26 weeks, 14 hours, 42 minutes.
-
To count from 1 to 13,381,857,720 would take you about eight hundred fifty-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 13381857720 cubic inches would be around 197.8 feet tall.
Recreational maths with 13381857720
- 13381857720 backwards is 02775818331
- 13381857720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 13381857720's digits is 45
- More coming soon!
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