1389121272
1,389,121,272 is an even composite number composed of five prime numbers multiplied together.
1389121272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 1389121272:
23 × 33 × 7 × 11 × 174
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 11 × 17 × 17 × 17 × 17)See below for interesting mathematical facts about the number 1389121272 from the Numbermatics database.
Names of 1389121272
- Cardinal: 1389121272 can be written as One billion, three hundred eighty-nine million, one hundred twenty-one thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.389121272 × 109
Factors of 1389121272
Divisors of 1389121272
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 17 18 21 22 24 27 28 33 34 36 42 44 51 54 56 63 66 68 72 77 84 88 99 102 108 119 126 132 136 153 154 168 187 189 198 204 216 231 238 252 264 289 297 306 308 357 374 378 396 408 459 462 476 504 561 578 594 612 616 693 714 748 756 792 867 918 924 952 1071 1122 1156 1188 1224 1309 1386 1428 1496 1512 1683 1734 1836 1848 2023 2079 2142 2244 2312 2376 2601 2618 2772 2856 3179 3213 3366 3468 3672 3927 4046 4158 4284 4488 4913 5049 5202 5236 5544 6069 6358 6426 6732 6936 7803 7854 8092 8316 8568 9537 9826 10098 10404 10472 11781 12138 12716 12852 13464 14739 15606 15708 16184 16632 18207 19074 19652 20196 20808 22253 23562 24276 25432 25704 28611 29478 31212 31416 34391 35343 36414 38148 39304 40392 44217 44506 47124 48552 54043 54621 57222 58956 62424 66759 68782 70686 72828 76296 83521 85833 88434 89012 94248 103173 108086 109242 114444 117912 132651 133518 137564 141372 145656 162129 167042 171666 176868 178024 200277 206346 216172 218484 228888 250563 265302 267036 275128 282744 309519 324258 334084 343332 353736 378301 400554 412692 432344 436968 486387 501126 530604 534072 584647 600831 619038 648516 668168 686664 751689 756602 801108 825384 918731 928557 972774 1002252 1061208 1134903 1169294 1201662 1238076 1297032 1459161 1503378 1513204 1602216 1753941 1837462 1857114 1945548 2004504 2255067 2269806 2338588 2403324 2476152 2756193 2918322 3006756 3026408 3404709 3507882 3674924 3714228 3891096 4510134 4539612 4677176 4806648 5261823 5512386 5836644 6013512 6431117 6809418 7015764 7349848 7428456 8268579 9020268 9079224 10214127 10523646 11024772 11673288 12862234 13618836 14031528 15785469 16537158 18040536 19293351 20428254 21047292 22049544 24805737 25724468 27237672 31570938 33074316 38586702 40856508 42094584 49611474 51448936 57880053 63141876 66148632 77173404 81713016 99222948 115760106 126283752 154346808 173640159 198445896 231520212 347280318 463040424 694560636 1389121272
- Sum of all divisors σ(n): 5111481600
- Sum of proper divisors (its aliquot sum) s(n): 3722360328
- 1389121272 is an abundant number, because the sum of its proper divisors (3722360328) is greater than itself. Its abundance is 2333239056
Bases of 1389121272
- Binary: 10100101100110001001110111110002
- Hexadecimal: 0x52CC4EF8
- Base-36: MZ1OU0
Squares and roots of 1389121272
- 1389121272 squared (13891212722) is 1929657908322897984
- 1389121272 cubed (13891212723) is 2680528848134363434260315648
-
The
square root of 1389121272 is 37270.9172411949 -
The
cube root of 1389121272 is 1115.7838059647
Scales and comparisons
How big is 1389121272?- 1,389,121,272 seconds is equal to 44 years, 8 weeks, 5 days, 19 hours, 1 minute, 12 seconds.
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To count from 1 to 1,389,121,272 would take you about eighty-eight 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 1389121272 cubic inches would be around 93 feet tall.
Recreational maths with 1389121272
- 1389121272 backwards is 2721219831
- 1389121272 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1389121272's digits is 36
- More coming soon!
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