18139429440
18,139,429,440 is an even composite number composed of five prime numbers multiplied together.
What does the number 18139429440 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 336 divisors.
18139429440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 18139429440:
26 × 33 × 5 × 112 × 17351
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 17351)See below for interesting mathematical facts about the number 18139429440 from the Numbermatics database.
Names of 18139429440
- Cardinal: 18139429440 can be written as Eighteen billion, one hundred thirty-nine million, four hundred twenty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.813942944 × 1010
Factors of 18139429440
Divisors of 18139429440
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 121 132 135 144 160 165 176 180 192 198 216 220 240 242 264 270 288 297 320 330 352 360 363 396 432 440 480 484 495 528 540 576 594 605 660 704 720 726 792 864 880 960 968 990 1056 1080 1089 1188 1210 1320 1440 1452 1485 1584 1728 1760 1815 1936 1980 2112 2160 2178 2376 2420 2640 2880 2904 2970 3168 3267 3520 3630 3872 3960 4320 4356 4752 4840 5280 5445 5808 5940 6336 6534 7260 7744 7920 8640 8712 9504 9680 10560 10890 11616 11880 13068 14520 15840 16335 17351 17424 19008 19360 21780 23232 23760 26136 29040 31680 32670 34702 34848 38720 43560 47520 52053 52272 58080 65340 69404 69696 86755 87120 95040 104106 104544 116160 130680 138808 156159 173510 174240 190861 208212 209088 260265 261360 277616 312318 347020 348480 381722 416424 468477 520530 522720 555232 572583 624636 694040 763444 780795 832848 936954 954305 1041060 1045440 1110464 1145166 1249272 1388080 1526888 1561590 1665696 1717749 1873908 1908610 2082120 2099471 2290332 2342385 2498544 2776160 2862915 3053776 3123180 3331392 3435498 3747816 3817220 4164240 4198942 4580664 4684770 4997088 5153247 5552320 5725830 6107552 6246360 6298413 6870996 7495632 7634440 8328480 8397884 8588745 9161328 9369540 9994176 10306494 10497355 11451660 12215104 12492720 12596826 13741992 14991264 15268880 16656960 16795768 17177490 18322656 18739080 18895239 20612988 20994710 22903320 24985440 25193652 25766235 27483984 29982528 30537760 31492065 33591536 34354980 36645312 37478160 37790478 41225976 41989420 45806640 49970880 50387304 51532470 54967968 56685717 61075520 62984130 67183072 68709960 74956320 75580956 82451952 83978840 91613280 94476195 100774608 103064940 109935936 113371434 125968260 134366144 137419920 149912640 151161912 164903904 167957680 183226560 188952390 201549216 206129880 226742868 251936520 274839840 283428585 302323824 329807808 335915360 377904780 403098432 412259760 453485736 503873040 549679680 566857170 604647648 671830720 755809560 824519520 906971472 1007746080 1133714340 1209295296 1511619120 1649039040 1813942944 2015492160 2267428680 3023238240 3627885888 4534857360 6046476480 9069714720 18139429440
- Sum of all divisors σ(n): 70342231680
- Sum of proper divisors (its aliquot sum) s(n): 52202802240
- 18139429440 is an abundant number, because the sum of its proper divisors (52202802240) is greater than itself. Its abundance is 34063372800
Bases of 18139429440
- Binary: 100001110010011000110111010010000002
- Hexadecimal: 0x43931BA40
- Base-36: 8BZQXC0
Squares and roots of 18139429440
- 18139429440 squared (181394294402) is 329038900408738713600
- 18139429440 cubed (181394294403) is 5968577916979503054743568384000
-
The
square root of 18139429440 is 134682.6991116527 -
The
cube root of 18139429440 is 2627.4908210577
Scales and comparisons
How big is 18139429440?- 18,139,429,440 seconds is equal to 576 years, 40 weeks, 3 days, 2 hours, 24 minutes.
-
To count from 1 to 18,139,429,440 would take you about one thousand, one hundred fifty-three 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 18139429440 cubic inches would be around 219 feet tall.
Recreational maths with 18139429440
- 18139429440 backwards is 04492493181
- 18139429440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18139429440's digits is 45
- More coming soon!
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