30981207840
30,981,207,840 is an even composite number composed of six prime numbers multiplied together.
What does the number 30981207840 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.
30981207840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 30981207840:
25 × 3 × 5 × 113 × 71 × 683
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 11 × 71 × 683)See below for interesting mathematical facts about the number 30981207840 from the Numbermatics database.
Names of 30981207840
- Cardinal: 30981207840 can be written as Thirty billion, nine hundred eighty-one million, two hundred seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 3.098120784 × 1010
Factors of 30981207840
Divisors of 30981207840
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 71 80 88 96 110 120 121 132 142 160 165 176 213 220 240 242 264 284 330 352 355 363 426 440 480 484 528 568 605 660 683 710 726 781 852 880 968 1056 1065 1136 1210 1320 1331 1366 1420 1452 1562 1704 1760 1815 1936 2049 2130 2272 2343 2420 2640 2662 2732 2840 2904 3124 3408 3415 3630 3872 3905 3993 4098 4260 4686 4840 5280 5324 5464 5680 5808 6248 6655 6816 6830 7260 7513 7810 7986 8196 8520 8591 9372 9680 10245 10648 10928 11360 11616 11715 12496 13310 13660 14520 15026 15620 15972 16392 17040 17182 18744 19360 19965 20490 21296 21856 22539 23430 24992 25773 26620 27320 29040 30052 31240 31944 32784 34080 34364 37488 37565 39930 40980 42592 42955 45078 46860 48493 51546 53240 54640 58080 60104 62480 63888 65568 68728 74976 75130 79860 81960 82643 85910 90156 93720 94501 96986 103092 106480 109280 112695 120208 124960 127776 128865 137456 145479 150260 159720 163920 165286 171820 180312 187440 189002 193972 206184 212960 225390 240416 242465 247929 257730 274912 283503 290958 300520 319440 327840 330572 343640 360624 374880 378004 387944 412368 413215 450780 472505 484930 495858 515460 533423 567006 581916 601040 638880 661144 687280 721248 727395 756008 775888 824736 826430 901560 909073 945010 969860 991716 1030920 1066846 1134012 1163832 1202080 1239645 1322288 1374560 1417515 1454790 1512016 1551776 1600269 1652860 1803120 1818146 1890020 1939720 1983432 2061840 2133692 2268024 2327664 2479290 2644576 2667115 2727219 2835030 2909580 3024032 3200538 3305720 3606240 3636292 3780040 3879440 3966864 4123680 4267384 4536048 4545365 4655328 4958580 5334230 5454438 5670060 5819160 5867653 6401076 6611440 7272584 7560080 7758880 7933728 8001345 8534768 9072096 9090730 9917160 10668460 10908876 11340120 11638320 11735306 12802152 13222880 13636095 14545168 15120160 16002690 17069536 17602959 18181460 19834320 21336920 21817752 22680240 23276640 23470612 25604304 27272190 29090336 29338265 32005380 35205918 36362920 39668640 42673840 43635504 45360480 46941224 51208608 54544380 58676530 64010760 64544183 70411836 72725840 85347680 87271008 88014795 93882448 109088760 117353060 128021520 129088366 140823672 145451680 176029590 187764896 193632549 218177520 234706120 256043040 258176732 281647344 322720915 352059180 387265098 436355040 469412240 516353464 563294688 645441830 704118360 774530196 938824480 968162745 1032706928 1290883660 1408236720 1549060392 1936325490 2065413856 2581767320 2816473440 3098120784 3872650980 5163534640 6196241568 7745301960 10327069280 15490603920 30981207840
- Sum of all divisors σ(n): 109013796864
- Sum of proper divisors (its aliquot sum) s(n): 78032589024
- 30981207840 is an abundant number, because the sum of its proper divisors (78032589024) is greater than itself. Its abundance is 47051381184
Bases of 30981207840
- Binary: 111001101101001111110110111001000002
- Hexadecimal: 0x7369FB720
- Base-36: E8DESYO
Squares and roots of 30981207840
- 30981207840 squared (309812078402) is 959835239225277465600
- 30981207840 cubed (309812078403) is 29736855038594441743422050304000
-
The
square root of 30981207840 is 176014.7943781999 -
The
cube root of 30981207840 is 3140.7457571171
Scales and comparisons
How big is 30981207840?- 30,981,207,840 seconds is equal to 985 years, 5 weeks, 3 days, 19 hours, 4 minutes.
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To count from 1 to 30,981,207,840 would take you about one thousand, nine hundred seventy 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 30981207840 cubic inches would be around 261.7 feet tall.
Recreational maths with 30981207840
- 30981207840 backwards is 04870218903
- The number of decimal digits it has is: 11
- The sum of 30981207840's digits is 42
- More coming soon!
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