2138978400
2,138,978,400 is an even composite number composed of six prime numbers multiplied together.
2138978400 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 2138978400:
25 × 3 × 52 × 13 × 179 × 383
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 179 × 383)See below for interesting mathematical facts about the number 2138978400 from the Numbermatics database.
Names of 2138978400
- Cardinal: 2138978400 can be written as Two billion, one hundred thirty-eight million, nine hundred seventy-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.1389784 × 109
Factors of 2138978400
Divisors of 2138978400
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 130 150 156 160 179 195 200 208 240 260 300 312 325 358 383 390 400 416 480 520 537 600 624 650 716 766 780 800 895 975 1040 1074 1149 1200 1248 1300 1432 1532 1560 1790 1915 1950 2080 2148 2298 2327 2400 2600 2685 2864 3064 3120 3580 3830 3900 4296 4475 4596 4654 4979 5200 5370 5728 5745 6128 6240 6981 7160 7660 7800 8592 8950 9192 9308 9575 9958 10400 10740 11490 11635 12256 13425 13962 14320 14937 15320 15600 17184 17900 18384 18616 19150 19916 21480 22980 23270 24895 26850 27924 28640 28725 29874 30640 31200 34905 35800 36768 37232 38300 39832 42960 45960 46540 49790 53700 55848 57450 58175 59748 61280 68557 69810 71600 74464 74685 76600 79664 85920 91920 93080 99580 107400 111696 114900 116350 119496 124475 137114 139620 143200 149370 153200 159328 174525 183840 186160 199160 205671 214800 223392 229800 232700 238992 248950 274228 279240 298740 306400 342785 349050 372320 373425 398320 411342 429600 459600 465400 477984 497900 548456 558480 597480 685570 698100 746850 796640 822684 891241 919200 930800 995800 1028355 1096912 1116960 1194960 1371140 1396200 1493700 1645368 1713925 1782482 1861600 1991600 2056710 2193824 2389920 2673723 2742280 2792400 2987400 3290736 3427850 3564964 3983200 4113420 4456205 5141775 5347446 5484560 5584800 5974800 6581472 6855700 7129928 8226840 8912410 10283550 10694892 10969120 11949600 13368615 13711400 14259856 16453680 17824820 20567100 21389784 22281025 26737230 27422800 28519712 32907360 35649640 41134200 42779568 44562050 53474460 54845600 66843075 71299280 82268400 85559136 89124100 106948920 133686150 142598560 164536800 178248200 213897840 267372300 356496400 427795680 534744600 712992800 1069489200 2138978400
- Sum of all divisors σ(n): 7559516160
- Sum of proper divisors (its aliquot sum) s(n): 5420537760
- 2138978400 is an abundant number, because the sum of its proper divisors (5420537760) is greater than itself. Its abundance is 3281559360
Bases of 2138978400
- Binary: 11111110111111000111000011000002
- Hexadecimal: 0x7F7E3860
- Base-36: ZDHQAO
Squares and roots of 2138978400
- 2138978400 squared (21389784002) is 4575228595666560000
- 2138978400 cubed (21389784003) is 9786315141193105442304000000
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The
square root of 2138978400 is 46249.0908018743 -
The
cube root of 2138978400 is 1288.4536485671
Scales and comparisons
How big is 2138978400?- 2,138,978,400 seconds is equal to 68 years, 4 days, 16 hours, 40 minutes.
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To count from 1 to 2,138,978,400 would take you about one hundred thirty-six 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 2138978400 cubic inches would be around 107.4 feet tall.
Recreational maths with 2138978400
- 2138978400 backwards is 0048798312
- The number of decimal digits it has is: 10
- The sum of 2138978400's digits is 42
- More coming soon!
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The information we have on file for 2138978400 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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