81196087 is an odd 8-digits composite number following 81196086
and preceding 81196088 . In scientific notation, it is written as 8.1196087 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 69458256 positive integers (up to 81196087) that are relatively prime to 81196087.
81196087 has 8 divisors, whose sum is 83018000
The reverse of 81196087 is 78069118
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million one hundred ninety-six thousand eighty-seven
Scientific notation
8.1196087 × 10^7
Engineering notation
8.1196087 × 10^6
Prime Factorization
49 × 619 × 2677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81196087
Product of the distinct prime numbers
The prime factorization of 81196087 is 49 × 619 × 2677.
Since it has a total of 3 prime factors.
1 , 8 , 48 , 95 , 133 , 318 , 2325 , 4430 , 41528 , 14226 , 160883 , 706103 , 9136592 , 3518654 , 50984701 , 61243236 , 241335135 , 439751375 , 1733217913 , 1871095188
n×2
162392174
n×3
243588261
n×4
324784348
n×5
405980435
n÷2
40598043.5
n÷3
27065362.333333
n÷3
20299021.75
n÷5
16239217.4
n2
6592804544111569
n3
5.3530993133768E+23
n4
4.3465071756858E+31
n5
3.5291937478311E+39
2 √n
9010.8871372357
3 √n
433.02373342488
4 √n
94.925692714016
5 √n
38.186250751936
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81196086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81196087 can be divided by 8 positive divisors.
The sum of these divisors (counting 81196087) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101101111010000110111
3
Ternary
12122210012002111
4
Quaternary
10311233100313
5
Quinary
131241233322
6
Senary
12020151451
8
Octal
465572067
10
Decimal
81196087
12
Duodecimal
23238587
16
Hexadecimal
4d6f437
20
Vigesimal
1579a47
36
Base36
1ccbav
md5
fac9c77f5e12d393babe103c49cca750
sha1
9e0d4cbe452a99db3e30774ebe40a3efb87d7190
sha256
fc83050109b505b11dc5423680a6814898bbaa60cbe5ab9b451b89cc1ed9174c
sha512
abd36f0313d1d42a9674d5e27eba9d81c06c02a2a2c0be5af86e154775c7862f714fae68e5298d12d38ddeec4174f595fcbbadc433950bfc91636b789251ea03
ripemd-160
a52c12d5aaed1c22b5d96c6a3873e91980c00a84
Diameter
162392174
Circumference
510170060.83888
Area
2.0711906322334E+16
Volume
2.2423009969121E+24
Surface area
8.2847625289337E+16
Circumference
510170060.83888
Perimeter
324784348
Area
6592804544111569
Diagonal
114828607.44703
Surface area
39556827264669414
Volume
5.3530993133768E+23
Space diagonal
140635748.05978
Perimeter
243588261
Area
2.8547681086931E+15
Altitude
70317874.029891
Surface area
2.8547681086931E+15
Volume
6.308688041423E+22
Height
38276202.482342