81008056 is an even 8-digits composite number following 81008055
and preceding 81008057 . In scientific notation, it is written as 8.1008056 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 40473024 positive integers (up to 81008056) that are relatively prime to 81008056.
81008056 has 16 divisors, whose sum is 152006400
The reverse of 81008056 is 65080018
Previous prime number is 6089
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million eight thousand fifty-six
Scientific notation
8.1008056 × 10^7
Engineering notation
8.1008056 × 10^6
Prime Factorization
2 × 2 × 2 × 6089 × 1663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20252014
Product of the distinct prime numbers
The prime factorization of 81008056 is 2 × 2 × 2 × 6089 × 1663.
Since it has a total of 5 prime factors.
3 , 3 , 94 , 61 , 691 , 863 , 7647 , 4696 , 54120 , 57852 , 795226 , 912561 , 6970640 , 5916661 , 58674187 , 90263720 , 261152096 , 684098615 , 8469976189 , 5347087237
n×2
162016112
n×3
243024168
n×4
324032224
n×5
405040280
n÷2
40504028
n÷3
27002685.333333
n÷3
20252014
n÷5
16201611.2
n2
6562305136899136
n3
5.3159958201901E+23
n4
4.3063848709773E+31
n5
3.4885186678568E+39
2 √n
9000.447544428
3 √n
432.68921476799
4 √n
94.870688541973
5 √n
38.168548275138
1 , 2 , 4 , 8 , 1663 , 3326 , 6089 , 6652 , 12178 , 13304 , 24356 , 48712 , 10126007 , 20252014 , 40504028 , 81008056
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008055
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008056 can be divided by 16 positive divisors.
The sum of these divisors (counting 81008056) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000001010110111000
3
Ternary
12122102122011101
4
Quaternary
10311001112320
5
Quinary
131214224211
6
Senary
12012141144
8
Octal
465012670
10
Decimal
81008056
12
Duodecimal
231677b4
16
Hexadecimal
4d415b8
20
Vigesimal
156602g
36
Base36
1c8a7s
md5
e0ddb0cdaa617f629641bc9d0d701da7
sha1
f31567e8d079157c5a5296c2e097e677500b7699
sha256
b83e76549ca7728beef00ac22782298c6e3ee6da2f43282feaee23248a4a3b14
sha512
0f044a704c028333d95f9dd92354caf320d04e45d51d2962c19828d509b8ca0b5e6c0c6618e5654142f0fa0a3339b090910200c25455bafdf9252e48f0a33486
ripemd-160
4f922a336f33df13bd21aa653927f39644f3eee1
Diameter
162016112
Circumference
508988627.22238
Area
2.0616089608697E+16
Volume
2.2267591220298E+24
Surface area
8.2464358434788E+16
Circumference
508988627.22238
Perimeter
324032224
Area
6562305136899136
Diagonal
114562691.45668
Surface area
39373830821394816
Volume
5.3159958201901E+23
Space diagonal
140310068.81438
Perimeter
243024168
Area
2.8415614779699E+15
Altitude
70155034.407192
Surface area
2.8415614779699E+15
Volume
6.2649611553596E+22
Height
38187563.818893