31990784490
31,990,784,490 is an even composite number composed of seven prime numbers multiplied together.
What does the number 31990784490 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 256 divisors.
31990784490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 31990784490:
2 × 33 × 5 × 7 × 31 × 61 × 8951
(2 × 3 × 3 × 3 × 5 × 7 × 31 × 61 × 8951)See below for interesting mathematical facts about the number 31990784490 from the Numbermatics database.
Names of 31990784490
- Cardinal: 31990784490 can be written as Thirty-one billion, nine hundred ninety million, seven hundred eighty-four thousand, four hundred ninety.
Scientific notation
- Scientific notation: 3.199078449 × 1010
Factors of 31990784490
Divisors of 31990784490
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 54 61 62 63 70 90 93 105 122 126 135 155 183 186 189 210 217 270 279 305 310 315 366 378 427 434 465 549 558 610 630 651 837 854 915 930 945 1085 1098 1281 1302 1395 1647 1674 1830 1890 1891 1953 2135 2170 2562 2745 2790 3255 3294 3782 3843 3906 4185 4270 5490 5673 5859 6405 6510 7686 8235 8370 8951 9455 9765 11346 11529 11718 12810 13237 16470 17019 17902 18910 19215 19530 23058 26474 26853 28365 29295 34038 38430 39711 44755 51057 53706 56730 57645 58590 62657 66185 79422 80559 85095 89510 102114 115290 119133 125314 132370 134265 161118 170190 187971 198555 238266 241677 255285 268530 277481 313285 357399 375942 397110 402795 483354 510570 546011 554962 563913 595665 626570 714798 805590 832443 939855 1092022 1127826 1191330 1208385 1387405 1638033 1664886 1691739 1786995 1879710 1942367 2416770 2497329 2730055 2774810 2819565 3276066 3383478 3573990 3822077 3884734 4162215 4914099 4994658 5460110 5639130 5827101 7491987 7644154 8190165 8324430 8458695 9711835 9828198 11466231 11654202 12486645 14742297 14983974 16380330 16917390 16926341 17481303 19110385 19423670 22932462 24570495 24973290 29135505 29484594 33852682 34398693 34962606 37459935 38220770 49140990 50779023 52443909 57331155 58271010 68797386 73711485 74919870 84631705 87406515 101558046 103196079 104887818 114662310 118484387 147422970 152337069 169263410 171993465 174813030 206392158 236968774 253895115 262219545 304674138 343986930 355453161 457011207 507790230 515980395 524439090 592421935 710906322 761685345 914022414 1031960790 1066359483 1184843870 1523370690 1777265805 2132718966 2285056035 3199078449 3554531610 4570112070 5331797415 6398156898 10663594830 15995392245 31990784490
- Sum of all divisors σ(n): 102302023680
- Sum of proper divisors (its aliquot sum) s(n): 70311239190
- 31990784490 is an abundant number, because the sum of its proper divisors (70311239190) is greater than itself. Its abundance is 38320454700
Bases of 31990784490
- Binary: 111011100101100110010100001111010102
- Hexadecimal: 0x772CCA1EA
- Base-36: EP2HJAI
Squares and roots of 31990784490
- 31990784490 squared (319907844902) is 1023410292285624560100
- 31990784490 cubed (319907844903) is 32739698105357324827210152849000
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The
square root of 31990784490 is 178859.6782117199 -
The
cube root of 31990784490 is 3174.4973098785
Scales and comparisons
How big is 31990784490?- 31,990,784,490 seconds is equal to 1,017 years, 10 weeks, 5 days, 17 hours, 1 minute, 30 seconds.
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To count from 1 to 31,990,784,490 would take you about two thousand and 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 31990784490 cubic inches would be around 264.5 feet tall.
Recreational maths with 31990784490
- 31990784490 backwards is 09448709913
- 31990784490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31990784490's digits is 54
- More coming soon!
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"Number 31990784490 - Facts about the integer". Numbermatics.com. 2024. Web. 22 June 2024.
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