121621973920
121,621,973,920 is an even composite number composed of five prime numbers multiplied together.
121621973920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 121621973920:
25 × 5 × 172 × 683 × 3851
(2 × 2 × 2 × 2 × 2 × 5 × 17 × 17 × 683 × 3851)See below for interesting mathematical facts about the number 121621973920 from the Numbermatics database.
Names of 121621973920
- Cardinal: 121621973920 can be written as One hundred twenty-one billion, six hundred twenty-one million, nine hundred seventy-three thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2162197392 × 1011
Factors of 121621973920
Divisors of 121621973920
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 289 340 544 578 680 683 1156 1360 1366 1445 2312 2720 2732 2890 3415 3851 4624 5464 5780 6830 7702 9248 10928 11560 11611 13660 15404 19255 21856 23120 23222 27320 30808 38510 46240 46444 54640 58055 61616 65467 77020 92888 109280 116110 123232 130934 154040 185776 197387 232220 261868 308080 327335 371552 394774 464440 523736 616160 654670 789548 928880 986935 1047472 1112939 1309340 1579096 1857760 1973870 2094944 2225878 2618680 2630233 3158192 3947740 4451756 5237360 5260466 5564695 6316384 7895480 8903512 10474720 10520932 11129390 13151165 15790960 17807024 21041864 22258780 26302330 31581920 35614048 42083728 44517560 44713961 52604660 84167456 89035120 89427922 105209320 178070240 178855844 210418640 223569805 357711688 420837280 447139610 715423376 760137337 894279220 1430846752 1520274674 1788558440 3040549348 3577116880 3800686685 6081098696 7154233760 7601373370 12162197392 15202746740 24324394784 30405493480 60810986960 121621973920
- Sum of all divisors σ(n): 305754287328
- Sum of proper divisors (its aliquot sum) s(n): 184132313408
- 121621973920 is an abundant number, because the sum of its proper divisors (184132313408) is greater than itself. Its abundance is 62510339488
Bases of 121621973920
- Binary: 11100010100010011110000001011101000002
- Hexadecimal: 0x1C513C0BA0
- Base-36: 1JVEKZOG
Squares and roots of 121621973920
- 121621973920 squared (1216219739202) is 14791904540197160166400
- 121621973920 cubed (1216219739203) is 1799020628214988605415963660288000
-
The
square root of 121621973920 is 348743.4213286323 -
The
cube root of 121621973920 is 4954.5477223621
Scales and comparisons
How big is 121621973920?- 121,621,973,920 seconds is equal to 3,867 years, 10 weeks, 3 days, 17 hours, 38 minutes, 40 seconds.
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To count from 1 to 121,621,973,920 would take you about seven thousand, seven hundred thirty-four 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 121621973920 cubic inches would be around 412.9 feet tall.
Recreational maths with 121621973920
- 121621973920 backwards is 029379126121
- The number of decimal digits it has is: 12
- The sum of 121621973920's digits is 43
- More coming soon!
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