28031540040
28,031,540,040 is an even composite number composed of seven prime numbers multiplied together.
28031540040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28031540040:
23 × 32 × 5 × 7 × 17 × 43 × 15217
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 17 × 43 × 15217)See below for interesting mathematical facts about the number 28031540040 from the Numbermatics database.
Names of 28031540040
- Cardinal: 28031540040 can be written as Twenty-eight billion, thirty-one million, five hundred forty thousand and forty.
Scientific notation
- Scientific notation: 2.803154004 × 1010
Factors of 28031540040
Divisors of 28031540040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 28 30 34 35 36 40 42 43 45 51 56 60 63 68 70 72 84 85 86 90 102 105 119 120 126 129 136 140 153 168 170 172 180 204 210 215 238 252 255 258 280 301 306 315 340 344 357 360 387 408 420 430 476 504 510 516 595 602 612 630 645 680 714 731 765 774 840 860 903 952 1020 1032 1071 1190 1204 1224 1260 1290 1428 1462 1505 1530 1548 1720 1785 1806 1935 2040 2142 2193 2380 2408 2520 2580 2709 2856 2924 3010 3060 3096 3570 3612 3655 3870 4284 4386 4515 4760 5117 5160 5355 5418 5848 6020 6120 6579 7140 7224 7310 7740 8568 8772 9030 10234 10710 10836 10965 12040 13158 13545 14280 14620 15217 15351 15480 17544 18060 20468 21420 21672 21930 25585 26316 27090 29240 30434 30702 32895 36120 40936 42840 43860 45651 46053 51170 52632 54180 60868 61404 65790 76085 76755 87720 91302 92106 102340 106519 108360 121736 122808 131580 136953 152170 153510 182604 184212 204680 213038 228255 230265 258689 263160 273906 304340 307020 319557 365208 368424 426076 456510 460530 517378 532595 547812 608680 614040 639114 654331 684765 776067 852152 913020 921060 958671 1034756 1065190 1095624 1278228 1293445 1308662 1369530 1552134 1597785 1810823 1826040 1842120 1917342 1962993 2069512 2130380 2328201 2556456 2586890 2617324 2739060 3104268 3195570 3271655 3621646 3834684 3880335 3925986 4260760 4580317 4656402 4793355 5173780 5234648 5432469 5478120 5888979 6208536 6391140 6543310 7243292 7669368 7760670 7851972 9054115 9160634 9312804 9586710 9814965 10347560 10864938 11123627 11641005 11777958 12782280 13086620 13740951 14486584 15521340 15703944 16297407 18108230 18321268 18625608 19173420 19629930 21729876 22247254 22901585 23282010 23555916 26173240 27162345 27481902 29444895 31042680 32594814 33370881 36216460 36642536 38346840 39259860 41222853 43459752 44494508 45803170 46564020 47111832 54324690 54963804 55618135 58889790 65189628 66741762 68704755 72432920 77865389 78519720 81487035 82445706 88989016 91606340 93128040 100112643 108649380 109927608 111236270 117779580 130379256 133483524 137409510 155730778 162974070 164891412 166854405 183212680 200225286 206114265 217298760 222472540 233596167 235559160 266967048 274819020 311461556 325948140 329782824 333708810 389326945 400450572 412228530 444945080 467192334 500563215 549638040 622923112 651896280 667417620 700788501 778653890 800901144 824457060 934384668 1001126430 1167980835 1334835240 1401577002 1557307780 1648914120 1868769336 2002252860 2335961670 2803154004 3114615560 3503942505 4004505720 4671923340 5606308008 7007885010 9343846680 14015770020 28031540040
- Sum of all divisors σ(n): 112812860160
- Sum of proper divisors (its aliquot sum) s(n): 84781320120
- 28031540040 is an abundant number, because the sum of its proper divisors (84781320120) is greater than itself. Its abundance is 56749780080
Bases of 28031540040
- Binary: 110100001101100111101011011010010002
- Hexadecimal: 0x686CF5B48
- Base-36: CVL96Q0
Squares and roots of 28031540040
- 28031540040 squared (280315400402) is 785767237014123201600
- 28031540040 cubed (280315400403) is 22026265766481564571143392064000
-
The
square root of 28031540040 is 167426.2226773333 -
The
cube root of 28031540040 is 3037.7287123419
Scales and comparisons
How big is 28031540040?- 28,031,540,040 seconds is equal to 891 years, 16 weeks, 3 days, 2 hours, 54 minutes.
-
To count from 1 to 28,031,540,040 would take you about one thousand, seven hundred eighty-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 28031540040 cubic inches would be around 253.1 feet tall.
Recreational maths with 28031540040
- 28031540040 backwards is 04004513082
- The number of decimal digits it has is: 11
- The sum of 28031540040's digits is 27
- More coming soon!
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