138890209680
138,890,209,680 is an even composite number composed of five prime numbers multiplied together.
What does the number 138890209680 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 240 divisors.
138890209680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138890209680:
24 × 33 × 5 × 792 × 10303
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 79 × 79 × 10303)See below for interesting mathematical facts about the number 138890209680 from the Numbermatics database.
Names of 138890209680
- Cardinal: 138890209680 can be written as One hundred thirty-eight billion, eight hundred ninety million, two hundred nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3889020968 × 1011
Factors of 138890209680
Divisors of 138890209680
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 79 80 90 108 120 135 144 158 180 216 237 240 270 316 360 395 432 474 540 632 711 720 790 948 1080 1185 1264 1422 1580 1896 2133 2160 2370 2844 3160 3555 3792 4266 4740 5688 6241 6320 7110 8532 9480 10303 10665 11376 12482 14220 17064 18723 18960 20606 21330 24964 28440 30909 31205 34128 37446 41212 42660 49928 51515 56169 56880 61818 62410 74892 82424 85320 92727 93615 99856 103030 112338 123636 124820 149784 154545 164848 168507 170640 185454 187230 206060 224676 247272 249640 278181 280845 299568 309090 337014 370908 374460 412120 449352 463635 494544 499280 556362 561690 618180 674028 741816 748920 813937 824240 842535 898704 927270 1112724 1123380 1236360 1348056 1390905 1483632 1497840 1627874 1685070 1854540 2225448 2246760 2441811 2472720 2696112 2781810 3255748 3370140 3709080 4069685 4450896 4493520 4883622 5563620 6511496 6740280 7325433 7418160 8139370 9767244 11127240 12209055 13022992 13480560 14650866 16278740 19534488 21976299 22254480 24418110 29301732 32557480 36627165 39068976 43952598 48836220 58603464 64301023 65114960 73254330 87905196 97672440 109881495 117206928 128602046 146508660 175810392 192903069 195344880 219762990 257204092 293017320 321505115 351620784 385806138 439525980 514408184 578709207 586034640 643010230 771612276 879051960 964515345 1028816368 1157418414 1286020460 1543224552 1736127621 1758103920 1929030690 2314836828 2572040920 2893546035 3086449104 3472255242 3858061380 4629673656 5144081840 5787092070 6944510484 7716122760 8680638105 9259347312 11574184140 13889020968 15432245520 17361276210 23148368280 27778041936 34722552420 46296736560 69445104840 138890209680
- Sum of all divisors σ(n): 484578984960
- Sum of proper divisors (its aliquot sum) s(n): 345688775280
- 138890209680 is an abundant number, because the sum of its proper divisors (345688775280) is greater than itself. Its abundance is 206798565600
Bases of 138890209680
- Binary: 100000010101101000000001101001100100002
- Hexadecimal: 0x2056806990
- Base-36: 1RSZN7O0
Squares and roots of 138890209680
- 138890209680 squared (1388902096802) is 19290490344954365702400
- 138890209680 cubed (1388902096803) is 2679260248840727382437736479232000
-
The
square root of 138890209680 is 372679.7682729771 -
The
cube root of 138890209680 is 5178.7372592247
Scales and comparisons
How big is 138890209680?- 138,890,209,680 seconds is equal to 4,416 years, 14 weeks, 3 days, 13 hours, 48 minutes.
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To count from 1 to 138,890,209,680 would take you about eight thousand, eight hundred thirty-two 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 138890209680 cubic inches would be around 431.6 feet tall.
Recreational maths with 138890209680
- 138890209680 backwards is 086902098831
- 138890209680 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138890209680's digits is 54
- More coming soon!
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