81400532 is an even 8-digits composite number following 81400531
and preceding 81400533 . In scientific notation, it is written as 8.1400532 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 40529496 positive integers (up to 81400532) that are relatively prime to 81400532.
81400532 has 12 divisors, whose sum is 143048640
The reverse of 81400532 is 23500418
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million four hundred thousand five hundred thirty-two
Scientific notation
8.1400532 × 10^7
Engineering notation
8.1400532 × 10^6
Prime Factorization
2 × 2 × 239 × 85147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40700266
Product of the distinct prime numbers
The prime factorization of 81400532 is 2 × 2 × 239 × 85147.
Since it has a total of 4 prime factors.
7 , 9 , 32 , 90 , 905 , 341 , 4152 , 1957 , 30819 , 4674 , 602323 , 229728 , 5515722 , 9526327 , 26690505 , 80705940 , 564095611 , 640548480 , 679630347 , 5934117180
n×2
162801064
n×3
244201596
n×4
325602128
n×5
407002660
n÷2
40700266
n÷3
27133510.666667
n÷3
20350133
n÷5
16280106.4
n2
6626046609883024
n3
5.3936371910127E+23
n4
4.3904493676342E+31
n5
3.5738491424449E+39
2 √n
9022.2243377118
3 √n
433.38686807366
4 √n
94.985390127703
5 √n
38.20546137462
1 , 2 , 4 , 239 , 478 , 956 , 85147 , 170294 , 340588 , 20350133 , 40700266 , 81400532
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81400531
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81400532 can be divided by 12 positive divisors.
The sum of these divisors (counting 81400532) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110100001001011010100
3
Ternary
12200011120112112
4
Quaternary
10312201023110
5
Quinary
131314304112
6
Senary
12024410152
8
Octal
466411324
10
Decimal
81400532
12
Duodecimal
23316958
16
Hexadecimal
4da12d4
20
Vigesimal
158f16c
36
Base36
1cgp1w
md5
ae527c515ca8aaceddd6ec6797274f36
sha1
0c88c7e1f3de2250bf52260fff4c7fbd57eecd11
sha256
f8cc71cafe4e4a5000bc746ed727f78223c9f4104c9bcd6cc916d146a66dd843
sha512
532a908619dfc1a203914687b8abda473bf184ae614be9a4745b013bc68555beab4938e5b8facc51f08d6ff7c466c02400526e36ef9f965a432ac166f7ab47e0
ripemd-160
182f802d2f2811d5ab5cbc9efb88cb77f64568f4
Diameter
162801064
Circumference
511454626.659
Area
2.0816339351952E+16
Volume
2.2592814633886E+24
Surface area
8.3265357407808E+16
Circumference
511454626.659
Perimeter
325602128
Area
6626046609883024
Diagonal
115117736.33879
Surface area
39756279659298144
Volume
5.3936371910127E+23
Space diagonal
140989857.18714
Perimeter
244201596
Area
2.8691623454092E+15
Altitude
70494928.593568
Surface area
2.8691623454092E+15
Volume
6.3564623883751E+22
Height
38372578.779595