121920000
121,920,000 is an even composite number composed of four prime numbers multiplied together.
121920000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred divisors.
Prime factorization of 121920000:
29 × 3 × 54 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 127)See below for interesting mathematical facts about the number 121920000 from the Numbermatics database.
Names of 121920000
- Cardinal: 121920000 can be written as One hundred twenty-one million, nine hundred twenty thousand.
Scientific notation
- Scientific notation: 1.2192 × 108
Factors of 121920000
Divisors of 121920000
- Number of divisors d(n): 200
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 127 128 150 160 192 200 240 250 254 256 300 320 375 381 384 400 480 500 508 512 600 625 635 640 750 762 768 800 960 1000 1016 1200 1250 1270 1280 1500 1524 1536 1600 1875 1905 1920 2000 2032 2400 2500 2540 2560 3000 3048 3175 3200 3750 3810 3840 4000 4064 4800 5000 5080 6000 6096 6350 6400 7500 7620 7680 8000 8128 9525 9600 10000 10160 12000 12192 12700 12800 15000 15240 15875 16000 16256 19050 19200 20000 20320 24000 24384 25400 30000 30480 31750 32000 32512 38100 38400 40000 40640 47625 48000 48768 50800 60000 60960 63500 64000 65024 76200 79375 80000 81280 95250 96000 97536 101600 120000 121920 127000 152400 158750 160000 162560 190500 192000 195072 203200 238125 240000 243840 254000 304800 317500 320000 325120 381000 406400 476250 480000 487680 508000 609600 635000 762000 812800 952500 960000 975360 1016000 1219200 1270000 1524000 1625600 1905000 2032000 2438400 2540000 3048000 3810000 4064000 4876800 5080000 6096000 7620000 8128000 10160000 12192000 15240000 20320000 24384000 30480000 40640000 60960000 121920000
- Sum of all divisors σ(n): 409069056
- Sum of proper divisors (its aliquot sum) s(n): 287149056
- 121920000 is an abundant number, because the sum of its proper divisors (287149056) is greater than itself. Its abundance is 165229056
Bases of 121920000
- Binary: 1110100010001011010000000002
- Hexadecimal: 0x7445A00
- Base-36: 20L62O
Squares and roots of 121920000
- 121920000 squared (1219200002) is 14864486400000000
- 121920000 cubed (1219200003) is 1812278181888000000000000
-
The
square root of 121920000 is 11041.7389934739 -
The
cube root of 121920000 is 495.8591344685
Scales and comparisons
How big is 121920000?- 121,920,000 seconds is equal to 3 years, 45 weeks, 4 days, 2 hours, 40 minutes.
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To count from 1 to 121,920,000 would take you about 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 121920000 cubic inches would be around 41.3 feet tall.
Recreational maths with 121920000
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