18988845408
18,988,845,408 is an even composite number composed of five prime numbers multiplied together.
What does the number 18988845408 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 324 divisors.
18988845408 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 18988845408:
25 × 32 × 132 × 432 × 211
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 43 × 43 × 211)See below for interesting mathematical facts about the number 18988845408 from the Numbermatics database.
Names of 18988845408
- Cardinal: 18988845408 can be written as Eighteen billion, nine hundred eighty-eight million, eight hundred forty-five thousand, four hundred eight.
Scientific notation
- Scientific notation: 1.8988845408 × 1010
Factors of 18988845408
Divisors of 18988845408
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 43 48 52 72 78 86 96 104 117 129 144 156 169 172 208 211 234 258 288 312 338 344 387 416 422 468 507 516 559 624 633 676 688 774 844 936 1014 1032 1118 1248 1266 1352 1376 1521 1548 1677 1688 1849 1872 1899 2028 2064 2236 2532 2704 2743 3042 3096 3354 3376 3698 3744 3798 4056 4128 4472 5031 5064 5408 5486 5547 6084 6192 6708 6752 7267 7396 7596 8112 8229 8944 9073 10062 10128 10972 11094 12168 12384 13416 14534 14792 15192 16224 16458 16641 17888 18146 20124 20256 21801 21944 22188 24037 24336 24687 26832 27219 29068 29584 30384 32916 33282 35659 36292 40248 43602 43888 44376 48074 48672 49374 53664 54438 58136 59168 60768 65403 65832 66564 71318 72111 72584 80496 81657 87204 87776 88752 96148 98748 106977 108876 116272 117949 130806 131664 133128 142636 144222 145168 160992 163314 174408 177504 192296 197496 213954 216333 217752 232544 235898 261612 263328 266256 285272 288444 290336 312481 320931 326628 348816 353847 384592 390139 394992 427908 432666 435504 471796 523224 532512 570544 576888 624962 641862 653256 697632 707694 769184 780278 789984 855816 865332 871008 937443 943592 1046448 1061541 1141088 1153776 1170417 1249924 1283724 1306512 1415388 1533337 1560556 1711632 1730664 1874886 1887184 2092896 2123082 2307552 2340834 2499848 2567448 2613024 2812329 2830776 3066674 3121112 3423264 3461328 3511251 3749772 3774368 4246164 4600011 4681668 4999696 5071807 5134896 5624658 5661552 6133348 6242224 6922656 7022502 7499544 8492328 9200022 9363336 9999392 10143614 10269792 11249316 11323104 12266696 12484448 13800033 14045004 14999088 15215421 16984656 18400044 18726672 20287228 22498632 24533392 27600066 28090008 29998176 30430842 33969312 36800088 37453344 40574456 44997264 45646263 49066784 55200132 56180016 60861684 65933491 73600176 81148912 89994528 91292526 110400264 112360032 121723368 131866982 147200352 162297824 182585052 197800473 220800528 243446736 263733964 365170104 395600946 441601056 486893472 527467928 593401419 730340208 791201892 1054935856 1186802838 1460680416 1582403784 2109871712 2373605676 3164807568 4747211352 6329615136 9494422704 18988845408
- Sum of all divisors σ(n): 60148038132
- Sum of proper divisors (its aliquot sum) s(n): 41159192724
- 18988845408 is an abundant number, because the sum of its proper divisors (41159192724) is greater than itself. Its abundance is 22170347316
Bases of 18988845408
- Binary: 100011010111101001011001001011000002
- Hexadecimal: 0x46BD2C960
- Base-36: 8Q1GUW0
Squares and roots of 18988845408
- 18988845408 squared (189888454082) is 360576249928922686464
- 18988845408 cubed (189888454083) is 6846926667696683881248950157312
-
The
square root of 18988845408 is 137800.0196226401 -
The
cube root of 18988845408 is 2667.8793547145
Scales and comparisons
How big is 18988845408?- 18,988,845,408 seconds is equal to 603 years, 40 weeks, 6 days, 7 hours, 16 minutes, 48 seconds.
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To count from 1 to 18,988,845,408 would take you about one thousand, two hundred 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 18988845408 cubic inches would be around 222.3 feet tall.
Recreational maths with 18988845408
- 18988845408 backwards is 80454888981
- The number of decimal digits it has is: 11
- The sum of 18988845408's digits is 63
- More coming soon!
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