28009901920
28,009,901,920 is an even composite number composed of seven prime numbers multiplied together.
What does the number 28009901920 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 576 divisors.
28009901920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 28009901920:
25 × 5 × 7 × 11 × 13 × 47 × 612
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 13 × 47 × 61 × 61)See below for interesting mathematical facts about the number 28009901920 from the Numbermatics database.
Names of 28009901920
- Cardinal: 28009901920 can be written as Twenty-eight billion, nine million, nine hundred one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.800990192 × 1010
Factors of 28009901920
Divisors of 28009901920
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 47 52 55 56 61 65 70 77 80 88 91 94 104 110 112 122 130 140 143 154 160 176 182 188 208 220 224 235 244 260 280 286 305 308 329 352 364 376 385 416 427 440 455 470 488 517 520 560 572 610 611 616 658 671 715 728 752 770 793 854 880 910 940 976 1001 1034 1040 1120 1144 1220 1222 1232 1316 1342 1430 1456 1504 1540 1586 1645 1708 1760 1820 1880 1952 2002 2068 2080 2135 2288 2440 2444 2464 2585 2632 2684 2860 2867 2912 3055 3080 3172 3290 3355 3416 3619 3640 3721 3760 3965 4004 4136 4270 4277 4576 4697 4880 4888 5005 5170 5264 5368 5551 5720 5734 6110 6160 6344 6580 6710 6721 6832 7238 7280 7442 7520 7930 8008 8272 8540 8554 8723 9394 9760 9776 10010 10340 10528 10736 11102 11440 11468 12220 12320 12688 13160 13420 13442 13664 14335 14476 14560 14884 15860 16016 16544 17080 17108 17446 18095 18605 18788 19552 20020 20069 20680 21385 21472 22204 22880 22936 23485 24440 25376 26047 26320 26840 26884 27755 28670 28952 29768 31537 31720 32032 33605 34160 34216 34892 36190 37210 37271 37576 40040 40138 40931 41360 42770 43615 44408 45872 46970 47047 48373 48880 52094 52640 53680 53768 55510 57340 57904 59536 61061 63074 63440 67210 68320 68432 69784 72380 74420 74542 75152 80080 80276 81862 82720 85540 87230 88816 91744 93940 94094 96746 97760 100345 104188 107360 107536 111020 114680 115808 119072 122122 126148 126880 130235 134420 136864 139568 144760 148840 149084 150304 157685 160160 160552 163724 171080 174460 174887 177632 186355 187880 188188 193492 200690 204655 208376 215072 220759 222040 229360 235235 241865 244244 252296 260470 260897 268840 279136 286517 289520 297680 298168 305305 315370 321104 327448 338611 342160 348920 349774 372710 375760 376376 386984 401380 409310 409981 416752 441518 444080 458720 470470 483730 488488 504592 520940 521794 532103 537680 573034 579040 595360 596336 610610 630740 642208 654896 677222 684320 697840 699548 745420 751520 752752 773968 802760 818620 819962 833504 874435 883036 888160 940940 967460 976976 1009184 1041880 1043588 1064206 1075360 1103795 1146068 1192672 1221220 1224209 1261480 1304485 1309792 1354444 1395680 1399096 1432585 1490840 1505504 1547936 1605520 1637240 1639924 1693055 1748870 1766072 1881880 1923757 1934920 1953952 2049905 2083760 2087176 2128412 2207590 2273531 2292136 2442440 2448418 2522960 2608970 2660515 2708888 2798192 2865170 2869867 2981680 3211040 3274480 3279848 3386110 3497740 3532144 3724721 3763760 3847514 3869840 4099810 4167520 4174352 4256824 4415180 4547062 4584272 4884880 4896836 5045920 5217940 5321030 5417776 5596384 5730340 5739734 5963360 6121045 6548960 6559696 6772220 6995480 7064288 7449442 7527520 7695028 7739680 8199620 8348704 8513648 8830360 9094124 9168544 9618785 9769760 9793672 10435880 10642060 10835552 11367655 11460680 11479468 12242090 13119392 13466299 13544440 13990960 14349335 14898884 15390056 15914717 16399240 17027296 17660720 18188248 18623605 19237570 19587344 20871760 21284120 22735310 22921360 22958936 24484180 25008841 26932598 27088880 27981920 28698670 29797768 30780112 31829434 32798480 35321440 36376496 37247210 38475140 39174688 41743520 42568240 45470620 45842720 45917872 48968360 50017682 53865196 54177760 57397340 59595536 61560224 63658868 65596960 67331495 72752992 74494420 76950280 79573585 85136480 90941240 91835744 97936720 100035364 107730392 114794680 119191072 125044205 127317736 134662990 148988840 153900560 159147170 175061887 181882480 195873440 200070728 215460784 229589360 250088410 254635472 269325980 297977680 307801120 318294340 350123774 363764960 400141456 430921568 459178720 500176820 509270944 538651960 595955360 636588680 700247548 800282912 875309435 1000353640 1077303920 1273177360 1400495096 1750618870 2000707280 2154607840 2546354720 2800990192 3501237740 4001414560 5601980384 7002475480 14004950960 28009901920
- Sum of all divisors σ(n): 92250482688
- Sum of proper divisors (its aliquot sum) s(n): 64240580768
- 28009901920 is an abundant number, because the sum of its proper divisors (64240580768) is greater than itself. Its abundance is 36230678848
Bases of 28009901920
- Binary: 110100001011000010100101111011000002
- Hexadecimal: 0x685852F60
- Base-36: CV8DEN4
Squares and roots of 28009901920
- 28009901920 squared (280099019202) is 784554605568019686400
- 28009901920 cubed (280099019203) is 21975297552844517304693157888000
-
The
square root of 28009901920 is 167361.5903366121 -
The
cube root of 28009901920 is 3036.9468827965
Scales and comparisons
How big is 28009901920?- 28,009,901,920 seconds is equal to 890 years, 32 weeks, 4 days, 16 hours, 18 minutes, 40 seconds.
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To count from 1 to 28,009,901,920 would take you about one thousand, seven hundred eighty-one 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 28009901920 cubic inches would be around 253.1 feet tall.
Recreational maths with 28009901920
- 28009901920 backwards is 02910990082
- 28009901920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28009901920's digits is 40
- More coming soon!
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