12138353920
12,138,353,920 is an even composite number composed of six prime numbers multiplied together.
12138353920 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 12138353920:
28 × 5 × 7 × 11 × 107 × 1151
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 107 × 1151)See below for interesting mathematical facts about the number 12138353920 from the Numbermatics database.
Names of 12138353920
- Cardinal: 12138353920 can be written as Twelve billion, one hundred thirty-eight million, three hundred fifty-three thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.213835392 × 1010
Factors of 12138353920
Divisors of 12138353920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 107 110 112 128 140 154 160 176 214 220 224 256 280 308 320 352 385 428 440 448 535 560 616 640 704 749 770 856 880 896 1070 1120 1151 1177 1232 1280 1408 1498 1540 1712 1760 1792 2140 2240 2302 2354 2464 2816 2996 3080 3424 3520 3745 4280 4480 4604 4708 4928 5755 5885 5992 6160 6848 7040 7490 8057 8239 8560 8960 9208 9416 9856 11510 11770 11984 12320 12661 13696 14080 14980 16114 16478 17120 18416 18832 19712 23020 23540 23968 24640 25322 27392 29960 32228 32956 34240 36832 37664 40285 41195 46040 47080 47936 49280 50644 59920 63305 64456 65912 68480 73664 75328 80570 82390 88627 92080 94160 95872 98560 101288 119840 123157 126610 128912 131824 136960 147328 150656 161140 164780 177254 184160 188320 191744 202576 239680 246314 253220 257824 263648 294656 301312 322280 329560 354508 368320 376640 405152 443135 479360 492628 506440 515648 527296 615785 644560 659120 709016 736640 753280 810304 862099 886270 958720 985256 1012880 1031296 1054592 1231570 1289120 1318240 1354727 1418032 1473280 1506560 1620608 1724198 1772540 1970512 2025760 2062592 2109184 2463140 2578240 2636480 2709454 2836064 3241216 3448396 3545080 3941024 4051520 4310495 4926280 5156480 5272960 5418908 5672128 6773635 6896792 7090160 7882048 8103040 8620990 9483089 9852560 10312960 10545920 10837816 11344256 13547270 13793584 14180320 15764096 16206080 17241980 18966178 19705120 21675632 22688512 27094540 27587168 28360640 31528192 34483960 37932356 39410240 43351264 47415445 54189080 55174336 56721280 68967920 75864712 78820480 86702528 94830890 108378160 110348672 113442560 137935840 151729424 157640960 173405056 189661780 216756320 220697344 275871680 303458848 346810112 379323560 433512640 551743360 606917696 758647120 867025280 1103486720 1213835392 1517294240 1734050560 2427670784 3034588480 6069176960 12138353920
- Sum of all divisors σ(n): 36620107776
- Sum of proper divisors (its aliquot sum) s(n): 24481753856
- 12138353920 is an abundant number, because the sum of its proper divisors (24481753856) is greater than itself. Its abundance is 12343399936
Bases of 12138353920
- Binary: 10110100111000000010010101000000002
- Hexadecimal: 0x2D3809500
- Base-36: 5KQV1TS
Squares and roots of 12138353920
- 12138353920 squared (121383539202) is 147339635887179366400
- 12138353920 cubed (121383539203) is 1788460646842516339884556288000
-
The
square root of 12138353920 is 110174.1980683317 -
The
cube root of 12138353920 is 2298.1935355407
Scales and comparisons
How big is 12138353920?- 12,138,353,920 seconds is equal to 385 years, 50 weeks, 4 hours, 58 minutes, 40 seconds.
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To count from 1 to 12,138,353,920 would take you about seven hundred seventy-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 12138353920 cubic inches would be around 191.5 feet tall.
Recreational maths with 12138353920
- 12138353920 backwards is 02935383121
- The number of decimal digits it has is: 11
- The sum of 12138353920's digits is 37
- More coming soon!
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