12738064640
12,738,064,640 is an even composite number composed of six prime numbers multiplied together.
12738064640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 12738064640:
28 × 5 × 7 × 17 × 241 × 347
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 17 × 241 × 347)See below for interesting mathematical facts about the number 12738064640 from the Numbermatics database.
Names of 12738064640
- Cardinal: 12738064640 can be written as Twelve billion, seven hundred thirty-eight million, sixty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.273806464 × 1010
Factors of 12738064640
Divisors of 12738064640
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 85 112 119 128 136 140 160 170 224 238 241 256 272 280 320 340 347 448 476 482 544 560 595 640 680 694 896 952 964 1088 1120 1190 1205 1280 1360 1388 1687 1735 1792 1904 1928 2176 2240 2380 2410 2429 2720 2776 3374 3470 3808 3856 4097 4352 4480 4760 4820 4858 5440 5552 5899 6748 6940 7616 7712 8194 8435 8960 9520 9640 9716 10880 11104 11798 12145 13496 13880 15232 15424 16388 16870 19040 19280 19432 20485 21760 22208 23596 24290 26992 27760 28679 29495 30464 30848 32776 33740 38080 38560 38864 40970 41293 44416 47192 48580 53984 55520 57358 58990 61696 65552 67480 76160 77120 77728 81940 82586 83627 88832 94384 97160 107968 111040 114716 117980 131104 134960 143395 152320 154240 155456 163880 165172 167254 188768 194320 206465 215936 222080 229432 235960 262208 269920 286790 308480 310912 327760 330344 334508 377536 388640 412930 418135 431872 444160 458864 471920 524416 539840 573580 585389 621824 655520 660688 669016 755072 777280 825860 836270 917728 943840 1048832 1079680 1147160 1170778 1311040 1321376 1338032 1421659 1510144 1554560 1651720 1672540 1835456 1887680 2159360 2294320 2341556 2622080 2642752 2676064 2843318 2926945 3109120 3303440 3345080 3670912 3775360 4588640 4683112 5244160 5285504 5352128 5686636 5853890 6606880 6690160 7108295 7341824 7550720 9177280 9366224 9951613 10571008 10704256 11373272 11707780 13213760 13380320 14216590 18354560 18732448 19903226 21408512 22746544 23415560 26427520 26760640 28433180 36709120 37464896 39806452 45493088 46831120 49758065 52855040 53521280 56866360 74929792 79612904 90986176 93662240 99516130 107042560 113732720 149859584 159225808 181972352 187324480 199032260 227465440 318451616 363944704 374648960 398064520 454930880 636903232 749297920 796129040 909861760 1273806464 1592258080 1819723520 2547612928 3184516160 6369032320 12738064640
- Sum of all divisors σ(n): 37181700864
- Sum of proper divisors (its aliquot sum) s(n): 24443636224
- 12738064640 is an abundant number, because the sum of its proper divisors (24443636224) is greater than itself. Its abundance is 11705571584
Bases of 12738064640
- Binary: 10111101110011111101110001000000002
- Hexadecimal: 0x2F73F7100
- Base-36: 5UNWXKW
Squares and roots of 12738064640
- 12738064640 squared (127380646402) is 162258290772818329600
- 12738064640 cubed (127380646403) is 2066856596240075437421625344000
-
The
square root of 12738064640 is 112863.0348697039 -
The
cube root of 12738064640 is 2335.4351702505
Scales and comparisons
How big is 12738064640?- 12,738,064,640 seconds is equal to 405 years, 1 week, 4 days, 7 hours, 17 minutes, 20 seconds.
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To count from 1 to 12,738,064,640 would take you about eight hundred ten 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 12738064640 cubic inches would be around 194.6 feet tall.
Recreational maths with 12738064640
- 12738064640 backwards is 04646083721
- The number of decimal digits it has is: 11
- The sum of 12738064640's digits is 41
- More coming soon!
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