84640140
84,640,140 is an even composite number composed of five prime numbers multiplied together.
84640140 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 84640140:
22 × 34 × 5 × 13 × 4019
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 4019)See below for interesting mathematical facts about the number 84640140 from the Numbermatics database.
Names of 84640140
- Cardinal: 84640140 can be written as Eighty-four million, six hundred forty thousand, one hundred forty.
Scientific notation
- Scientific notation: 8.464014 × 107
Factors of 84640140
Divisors of 84640140
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 468 540 585 702 780 810 1053 1170 1404 1620 1755 2106 2340 3510 4019 4212 5265 7020 8038 10530 12057 16076 20095 21060 24114 36171 40190 48228 52247 60285 72342 80380 104494 108513 120570 144684 156741 180855 208988 217026 241140 261235 313482 325539 361710 434052 470223 522470 542565 626964 651078 723420 783705 940446 1044940 1085130 1302156 1410669 1567410 1627695 1880892 2170260 2351115 2821338 3134820 3255390 4232007 4702230 5642676 6510780 7053345 8464014 9404460 14106690 16928028 21160035 28213380 42320070 84640140
- Sum of all divisors σ(n): 286014960
- Sum of proper divisors (its aliquot sum) s(n): 201374820
- 84640140 is an abundant number, because the sum of its proper divisors (201374820) is greater than itself. Its abundance is 116734680
Bases of 84640140
- Binary: 1010000101110000001100011002
- Hexadecimal: 0x50B818C
- Base-36: 1EE4R0
Squares and roots of 84640140
- 84640140 squared (846401402) is 7163953299219600
- 84640140 cubed (846401403) is 606358010199408834744000
-
The
square root of 84640140 is 9200.0076086925 -
The
cube root of 84640140 is 439.0616020085
Scales and comparisons
How big is 84640140?- 84,640,140 seconds is equal to 2 years, 35 weeks, 6 days, 15 hours, 9 minutes.
-
To count from 1 to 84,640,140 would take you about four 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 84640140 cubic inches would be around 36.6 feet tall.
Recreational maths with 84640140
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