81551135 is an odd 8-digits composite number following 81551134
and preceding 81551136 . In scientific notation, it is written as 8.1551135 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 61807104 positive integers (up to 81551135) that are relatively prime to 81551135.
81551135 has 4 divisors, whose sum is 82409664
The reverse of 81551135 is 53115518
Previous prime number is 95
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million five hundred fifty-one thousand one hundred thirty-five
Scientific notation
8.1551135 × 10^7
Engineering notation
8.1551135 × 10^6
Prime Factorization
95 × 858433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81551135
Product of the distinct prime numbers
The prime factorization of 81551135 is 95 × 858433.
Since it has a total of 2 prime factors.
3 , 5 , 5 , 100 , 92 , 570 , 652 , 7337 , 44746 , 3740 , 792583 , 200951 , 4987966 , 6282868 , 96804770 , 57131708 , 158271276 , 843385429 , 694194475 , 9726088863
n×2
163102270
n×3
244653405
n×4
326204540
n×5
407755675
n÷2
40775567.5
n÷3
27183711.666667
n÷3
20387783.75
n÷5
16310227
n2
6650587619788225
n3
5.4236296881068E+23
n4
4.423031568848E+31
n5
3.6070324458039E+39
2 √n
9030.5667042551
3 √n
433.65397996905
4 √n
95.029293926952
5 √n
38.21958807253
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
-81551134
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 81551135 can be divided by 4 positive divisors.
The sum of these divisors (counting 81551135) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000101111100011111
3
Ternary
12200110020010102
4
Quaternary
10313011330133
5
Quinary
131334114020
6
Senary
12031531315
8
Octal
467057437
10
Decimal
81551135
12
Duodecimal
23389b3b
16
Hexadecimal
4dc5f1f
20
Vigesimal
159dhgf
36
Base36
1cjx9b
md5
a195fa5dc40c0c87316f59d44f1ecf75
sha1
ca7c9f658c90a1e943ce89ec7b0db458fb53fd0a
sha256
b5edd5bb970e85877597b1ab92507e9b0fbcc80990550aed714cbcf98390ad55
sha512
de2aceed5e0350b780885790afa1e0f102ba619a1b87aaf9d0918c52b83b3debf89cd08eff91487874a924f7545beea7ac81c8055cd5d05a76ce2557a14ff8ce
ripemd-160
cb85f1b4a4a37619d07b6dbfe94a7b199a9acbb8
Diameter
163102270
Circumference
512400893.21582
Area
2.0893437208382E+16
Volume
2.271844691193E+24
Surface area
8.3573748833528E+16
Circumference
512400893.21582
Perimeter
326204540
Area
6650587619788225
Diagonal
115330721.14392
Surface area
39903525718729350
Volume
5.4236296881068E+23
Space diagonal
141250709.23491
Perimeter
244653405
Area
2.8797889144154E+15
Altitude
70625354.617454
Surface area
2.8797889144154E+15
Volume
6.391808885175E+22
Height
38443573.71464