12820388400
12,820,388,400 is an even composite number composed of five prime numbers multiplied together.
What does the number 12820388400 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 360 divisors.
12820388400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 12820388400:
24 × 35 × 52 × 41 × 3217
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 41 × 3217)See below for interesting mathematical facts about the number 12820388400 from the Numbermatics database.
Names of 12820388400
- Cardinal: 12820388400 can be written as Twelve billion, eight hundred twenty million, three hundred eighty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.28203884 × 1010
Factors of 12820388400
Divisors of 12820388400
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 41 45 48 50 54 60 72 75 80 81 82 90 100 108 120 123 135 144 150 162 164 180 200 205 216 225 240 243 246 270 300 324 328 360 369 400 405 410 432 450 486 492 540 600 615 648 656 675 720 738 810 820 900 972 984 1025 1080 1107 1200 1215 1230 1296 1350 1476 1620 1640 1800 1845 1944 1968 2025 2050 2160 2214 2430 2460 2700 2952 3075 3217 3240 3280 3321 3600 3690 3888 4050 4100 4428 4860 4920 5400 5535 5904 6075 6150 6434 6480 6642 7380 8100 8200 8856 9225 9651 9720 9840 9963 10800 11070 12150 12300 12868 13284 14760 16085 16200 16400 16605 17712 18450 19302 19440 19926 22140 24300 24600 25736 26568 27675 28953 29520 32170 32400 33210 36900 38604 39852 44280 48255 48600 49200 49815 51472 53136 55350 57906 64340 66420 73800 77208 79704 80425 83025 86859 88560 96510 97200 99630 110700 115812 128680 131897 132840 144765 147600 154416 159408 160850 166050 173718 193020 199260 221400 231624 241275 249075 257360 260577 263794 265680 289530 321700 332100 347436 386040 395691 398520 434295 442800 463248 482550 498150 521154 527588 579060 643400 659485 664200 694872 723825 772080 781731 791382 797040 868590 965100 996300 1042308 1055176 1158120 1187073 1286800 1302885 1318970 1328400 1389744 1447650 1563462 1582764 1737180 1930200 1978455 1992600 2084616 2110352 2171475 2316240 2374146 2605770 2637940 2895300 3126924 3165528 3297425 3474360 3561219 3860400 3908655 3956910 3985200 4169232 4342950 4748292 5211540 5275880 5790600 5935365 6253848 6331056 6514425 6594850 6948720 7122438 7817310 7913820 8685900 9496584 9892275 10423080 10551760 10683657 11581200 11870730 12507696 13028850 13189700 14244876 15634620 15827640 17371800 17806095 18993168 19543275 19784550 20846160 21367314 23741460 26057700 26379400 28489752 29676825 31269240 31655280 32050971 34743600 35612190 39086550 39569100 42734628 47482920 52115400 52758800 53418285 56979504 59353650 62538480 64101942 71224380 78173100 79138200 85469256 89030475 94965840 104230800 106836570 118707300 128203884 142448760 156346200 158276400 160254855 170938512 178060950 213673140 237414600 256407768 267091425 284897520 312692400 320509710 356121900 427346280 474829200 512815536 534182850 641019420 712243800 801274275 854692560 1068365700 1282038840 1424487600 1602548550 2136731400 2564077680 3205097100 4273462800 6410194200 12820388400
- Sum of all divisors σ(n): 47278109424
- Sum of proper divisors (its aliquot sum) s(n): 34457721024
- 12820388400 is an abundant number, because the sum of its proper divisors (34457721024) is greater than itself. Its abundance is 21637332624
Bases of 12820388400
- Binary: 10111111000010011110011010001100002
- Hexadecimal: 0x2FC279A30
- Base-36: 5W0XF00
Squares and roots of 12820388400
- 12820388400 squared (128203884002) is 164362358726854560000
- 12820388400 cubed (128203884003) is 2107189277218404969511104000000
-
The
square root of 12820388400 is 113227.1539870185 -
The
cube root of 12820388400 is 2340.4555326165
Scales and comparisons
How big is 12820388400?- 12,820,388,400 seconds is equal to 407 years, 33 weeks, 5 days, 3 hours.
-
To count from 1 to 12,820,388,400 would take you about eight hundred fifteen 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 12820388400 cubic inches would be around 195 feet tall.
Recreational maths with 12820388400
- 12820388400 backwards is 00488302821
- 12820388400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12820388400's digits is 36
- More coming soon!
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The information we have on file for 12820388400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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