121981380521
121,981,380,521 is an odd composite number composed of five prime numbers multiplied together.
What does the number 121981380521 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 144 divisors.
121981380521 is an odd 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 121981380521:
73 × 11 × 13 × 192 × 832
(7 × 7 × 7 × 11 × 13 × 19 × 19 × 83 × 83)See below for interesting mathematical facts about the number 121981380521 from the Numbermatics database.
Names of 121981380521
- Cardinal: 121981380521 can be written as One hundred twenty-one billion, nine hundred eighty-one million, three hundred eighty thousand, five hundred twenty-one.
Scientific notation
- Scientific notation: 1.21981380521 × 1011
Factors of 121981380521
Divisors of 121981380521
- Number of divisors d(n): 144
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Complete list of divisors:
1 7 11 13 19 49 77 83 91 133 143 209 247 343 361 539 581 637 913 931 1001 1079 1463 1577 1729 2527 2717 3773 3971 4067 4459 4693 6391 6517 6889 7007 7553 10241 11039 11869 12103 17347 17689 19019 20501 27797 28469 29963 32851 44737 48223 49049 51623 52871 71687 75779 77273 83083 84721 89557 121429 123823 130891 133133 143507 194579 209741 225511 229957 313159 329593 337561 361361 370097 389519 530453 540911 581581 626899 850003 916237 931931 985127 1004549 1362053 1439801 1468187 1578577 1609699 1701583 2307151 2362927 2486929 2529527 2726633 3713171 4071067 4284709 4388293 5950021 6413659 6895889 7031843 10078607 10277309 11050039 11911081 16150057 17408503 17706689 18717413 19086431 25992197 27356219 29992963 30718051 32330077 44895613 48271223 70550249 77350273 83377567 113050399 121859521 131021891 133605017 191493533 209950741 226310539 337898561 355630847 493851743 583642969 853016647 917153237 1340454731 1469655187 1584173773 2489415929 6420072659 9383183117 11089216411 17425911503 121981380521
- Sum of all divisors σ(n): 178531113600
- Sum of proper divisors (its aliquot sum) s(n): 56549733079
- 121981380521 is a deficient number, because the sum of its proper divisors (56549733079) is less than itself. Its deficiency is 65431647442
Bases of 121981380521
- Binary: 11100011001101010100000100111101010012
- Hexadecimal: 0x1C66A827A9
- Base-36: 1K1CKBL5
Squares and roots of 121981380521
- 121981380521 squared (1219813805212) is 14879457193808998231441
- 121981380521 cubed (1219813805213) is 1815016729903946258663220647160761
-
The
square root of 121981380521 is 349258.3292077657 -
The
cube root of 121981380521 is 4959.4233379537
Scales and comparisons
How big is 121981380521?- 121,981,380,521 seconds is equal to 3,878 years, 32 weeks, 5 days, 12 hours, 48 minutes, 41 seconds.
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To count from 1 to 121,981,380,521 would take you about seven thousand, seven hundred fifty-seven 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 121981380521 cubic inches would be around 413.3 feet tall.
Recreational maths with 121981380521
- 121981380521 backwards is 125083189121
- The number of decimal digits it has is: 12
- The sum of 121981380521's digits is 41
- More coming soon!
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