20989597728
20,989,597,728 is an even composite number composed of seven prime numbers multiplied together.
20989597728 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20989597728:
25 × 3 × 11 × 29 × 41 × 73 × 229
(2 × 2 × 2 × 2 × 2 × 3 × 11 × 29 × 41 × 73 × 229)See below for interesting mathematical facts about the number 20989597728 from the Numbermatics database.
Names of 20989597728
- Cardinal: 20989597728 can be written as Twenty billion, nine hundred eighty-nine million, five hundred ninety-seven thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0989597728 × 1010
Factors of 20989597728
Divisors of 20989597728
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 29 32 33 41 44 48 58 66 73 82 87 88 96 116 123 132 146 164 174 176 219 229 232 246 264 292 319 328 348 352 438 451 458 464 492 528 584 638 656 687 696 803 876 902 916 928 957 984 1056 1168 1189 1276 1312 1353 1374 1392 1606 1752 1804 1832 1914 1968 2117 2336 2378 2409 2519 2552 2706 2748 2784 2993 3212 3504 3567 3608 3664 3828 3936 4234 4756 4818 5038 5104 5412 5496 5986 6351 6424 6641 7008 7134 7216 7328 7557 7656 8468 8979 9389 9512 9636 10076 10208 10824 10992 11972 12702 12848 13079 13282 14268 14432 15114 15312 16717 16936 17958 18778 19024 19272 19923 20152 21648 21984 23287 23944 25404 25696 26158 26564 28167 28536 30228 30624 32923 33434 33872 35916 37556 38048 38544 39237 39846 40304 43296 46574 47888 50151 50808 52316 53128 56334 57072 60456 65846 66868 67744 69861 71832 73051 75112 77088 78474 79692 80608 86797 93148 95776 98769 100302 101616 103279 104632 106256 112668 114144 120912 131692 133736 139722 143664 146102 150224 156948 159384 173594 183887 186296 197538 200604 203232 206558 209264 212512 219153 225336 241824 260391 263384 267472 272281 279444 287328 292204 300448 309837 313896 318768 347188 367774 372592 395076 401208 413116 418528 438306 450672 484793 520782 526768 534944 544562 551661 558888 584408 619674 627792 637536 685397 694376 735548 745184 790152 802416 816843 826232 876612 901344 954767 969586 1041564 1053536 1089124 1103322 1117776 1168816 1239348 1255584 1370794 1388752 1454379 1471096 1580304 1604832 1633686 1652464 1753224 1909534 1939172 2056191 2083128 2178248 2206644 2235552 2337632 2478696 2741588 2777504 2864301 2908758 2942192 2995091 3160608 3267372 3304928 3506448 3819068 3878344 4112382 4166256 4356496 4413288 4957392 5332723 5483176 5728602 5817516 5884384 5990182 6534744 7012896 7539367 7638136 7756688 8224764 8332512 8712992 8826576 8985273 9914784 10665446 10966352 11457204 11635032 11980364 13069488 15078734 15276272 15513376 15998169 16449528 17653152 17970546 19876513 21330892 21932704 22618101 22914408 23270064 23960728 26138976 30157468 30552544 31996338 32899056 35941092 39753026 42661784 45236202 45828816 46540128 47921456 59629539 60314936 63992676 65798112 71882184 79506052 85323568 90472404 91657632 95842912 119259078 120629872 127985352 143764368 159012104 170647136 180944808 218641643 238518156 241259744 255970704 287528736 318024208 361889616 437283286 477036312 511941408 636048416 655924929 723779232 874566572 954072624 1311849858 1749133144 1908145248 2623699716 3498266288 5247399432 6996532576 10494798864 20989597728
- Sum of all divisors σ(n): 64850284800
- Sum of proper divisors (its aliquot sum) s(n): 43860687072
- 20989597728 is an abundant number, because the sum of its proper divisors (43860687072) is greater than itself. Its abundance is 22871089344
Bases of 20989597728
- Binary: 100111000110001001111011000001000002
- Hexadecimal: 0x4E313D820
- Base-36: 9N4NX9C
Squares and roots of 20989597728
- 20989597728 squared (209895977282) is 440563212783262761984
- 20989597728 cubed (209895977283) is 9247244610075952625366371172352
-
The
square root of 20989597728 is 144877.8717679135 -
The
cube root of 20989597728 is 2758.4685601957
Scales and comparisons
How big is 20989597728?- 20,989,597,728 seconds is equal to 667 years, 21 weeks, 3 hours, 48 minutes, 48 seconds.
-
To count from 1 to 20,989,597,728 would take you about one thousand, three 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 20989597728 cubic inches would be around 229.9 feet tall.
Recreational maths with 20989597728
- 20989597728 backwards is 82779598902
- 20989597728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20989597728's digits is 66
- More coming soon!
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The information we have on file for 20989597728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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