81492077 is an odd 8-digits composite number following 81492076
and preceding 81492078 . In scientific notation, it is written as 8.1492077 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 81036636 positive integers (up to 81492077) that are relatively prime to 81492077.
81492077 has 4 divisors, whose sum is 81947520
The reverse of 81492077 is 77029418
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million four hundred ninety-two thousand seventy-seven
Scientific notation
8.1492077 × 10^7
Engineering notation
8.1492077 × 10^6
Prime Factorization
179 × 455263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81492077
Product of the distinct prime numbers
The prime factorization of 81492077 is 179 × 455263.
Since it has a total of 2 prime factors.
4 , 3 , 91 , 60 , 376 , 149 , 5193 , 8675 , 18940 , 93206 , 621553 , 681259 , 7210279 , 8835525 , 73425051 , 41155734 , 69171784 , 504557458 , 4061162280 , 6418185906
n×2
162984154
n×3
244476231
n×4
325968308
n×5
407460385
n÷2
40746038.5
n÷3
27164025.666667
n÷3
20373019.25
n÷5
16298415.4
n2
6640958613773929
n3
5.4118551070748E+23
n4
4.4102331309858E+31
n5
3.5939905789825E+39
2 √n
9027.2962175836
3 √n
433.54927297946
4 √n
95.012084587086
5 √n
38.214050868027
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81492076
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81492077 can be divided by 4 positive divisors.
The sum of these divisors (counting 81492077) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110111100001101101
3
Ternary
12200100020010002
4
Quaternary
10312313201231
5
Quinary
131330221302
6
Senary
12030354045
8
Octal
466674155
10
Decimal
81492077
12
Duodecimal
2335b925
16
Hexadecimal
4db786d
20
Vigesimal
1596a3h
36
Base36
1cinot
md5
c75ae4f02d4d0ebc692dc5a4444328f8
sha1
a08546b84afa60944d36848f7a0ad949cfd04289
sha256
6ce5520536672143022165afdff331f5dd3dd0451af60aedb444e71ef645dae3
sha512
5b81aa89290d91b71573d6319d3d2c81fc240196bb9ff454c40932da52b59c495567b3eee1ef0f0d641d8f4c0cae1d0b05cf428877e400de5c8e74ae192c00f4
ripemd-160
2f81a41b0ca8c704634c1500f36e5f0b5a35f27a
Diameter
162984154
Circumference
512029820.85795
Area
2.0863186793826E+16
Volume
2.2669125662238E+24
Surface area
8.3452747175304E+16
Circumference
512029820.85795
Perimeter
325968308
Area
6640958613773929
Diagonal
115247200.51935
Surface area
39845751682643574
Volume
5.4118551070748E+23
Space diagonal
141148417.77832
Perimeter
244476231
Area
2.8756194325047E+15
Altitude
70574208.889158
Surface area
2.8756194325047E+15
Volume
6.3779324083527E+22
Height
38415733.506451