139985820
139,985,820 is an even composite number composed of six prime numbers multiplied together.
139985820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 139985820:
22 × 34 × 5 × 13 × 172 × 23
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 17 × 17 × 23)See below for interesting mathematical facts about the number 139985820 from the Numbermatics database.
Names of 139985820
- Cardinal: 139985820 can be written as One hundred thirty-nine million, nine hundred eighty-five thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.3998582 × 108
Factors of 139985820
Divisors of 139985820
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 17 18 20 23 26 27 30 34 36 39 45 46 51 52 54 60 65 68 69 78 81 85 90 92 102 108 115 117 130 135 138 153 156 162 170 180 195 204 207 221 230 234 255 260 270 276 289 299 306 324 340 345 351 390 391 405 414 442 459 460 468 510 540 578 585 598 612 621 663 690 702 765 780 782 810 828 867 884 897 918 1020 1035 1053 1105 1156 1170 1173 1196 1242 1326 1377 1380 1404 1445 1495 1530 1564 1620 1734 1755 1794 1836 1863 1955 1989 2070 2106 2210 2295 2340 2346 2484 2601 2652 2691 2754 2890 2990 3060 3105 3315 3468 3510 3519 3588 3726 3757 3910 3978 4140 4212 4335 4420 4485 4590 4692 5083 5202 5265 5382 5508 5780 5865 5967 5980 6210 6630 6647 6885 7020 7038 7452 7514 7803 7820 7956 8073 8670 8970 9180 9315 9945 10166 10404 10530 10557 10764 11271 11730 11934 12420 13005 13260 13294 13455 13770 14076 15028 15249 15606 16146 17340 17595 17901 17940 18630 18785 19890 19941 20332 21060 21114 22542 23409 23460 23868 24219 25415 26010 26588 26910 27540 29835 30498 31212 31671 32292 33235 33813 35190 35802 37260 37570 39015 39780 39882 40365 42228 45084 45747 46818 48438 50830 52020 52785 53820 56355 59670 59823 60996 63342 66470 67626 70380 71604 75140 76245 78030 79764 80730 86411 89505 91494 93636 96876 99705 101439 101660 105570 112710 117045 119340 119646 121095 126684 132940 135252 137241 152490 156060 158355 161460 169065 172822 179010 179469 182988 199410 202878 211140 225420 228735 234090 239292 242190 259233 274482 299115 304317 304980 316710 338130 345644 358020 358938 398820 405756 411723 432055 457470 468180 484380 507195 518466 538407 548964 598230 608634 633420 676260 686205 717876 777699 823446 864110 897345 914940 1014390 1036932 1076814 1196460 1217268 1296165 1372410 1521585 1555398 1646892 1728220 1794690 2028780 2058615 2153628 2333097 2592330 2692035 2744820 3043170 3110796 3589380 3888495 4117230 4666194 5184660 5384070 6086340 6999291 7776990 8234460 9332388 10768140 11665485 13998582 15553980 23330970 27997164 34996455 46661940 69992910 139985820
- Sum of all divisors σ(n): 524218464
- Sum of proper divisors (its aliquot sum) s(n): 384232644
- 139985820 is an abundant number, because the sum of its proper divisors (384232644) is greater than itself. Its abundance is 244246824
Bases of 139985820
- Binary: 10000101100000000011100111002
- Hexadecimal: 0x858039C
- Base-36: 2BCDR0
Squares and roots of 139985820
- 139985820 squared (1399858202) is 19596029801072400
- 139985820 cubed (1399858203) is 2743166300447556793368000
-
The
square root of 139985820 is 11831.5603366587 -
The
cube root of 139985820 is 519.2318787441
Scales and comparisons
How big is 139985820?- 139,985,820 seconds is equal to 4 years, 23 weeks, 3 days, 4 hours, 57 minutes.
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To count from 1 to 139,985,820 would take you about 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 139985820 cubic inches would be around 43.3 feet tall.
Recreational maths with 139985820
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