81958097 is an odd 8-digits composite number following 81958096
and preceding 81958098 . In scientific notation, it is written as 8.1958097 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 75292560 positive integers (up to 81958097) that are relatively prime to 81958097.
81958097 has 8 divisors, whose sum is 88683840
The reverse of 81958097 is 79085918
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-one million nine hundred fifty-eight thousand ninety-seven
Scientific notation
8.1958097 × 10^7
Engineering notation
8.1958097 × 10^6
Prime Factorization
13 × 211 × 29879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81958097
Product of the distinct prime numbers
The prime factorization of 81958097 is 13 × 211 × 29879.
Since it has a total of 3 prime factors.
8 , 6 , 6 , 100 , 789 , 210 , 7873 , 7418 , 42527 , 38669 , 266998 , 938438 , 928167 , 8500212 , 17737055 , 36110317 , 926640353 , 115110732 , 9346799680 , 3656747818
n×2
163916194
n×3
245874291
n×4
327832388
n×5
409790485
n÷2
40979048.5
n÷3
27319365.666667
n÷3
20489524.25
n÷5
16391619.4
n2
6717129663861409
n3
5.5052316455233E+23
n4
4.5119830921127E+31
n5
3.6979354792573E+39
2 √n
9053.0711363603
3 √n
434.37413320049
4 √n
95.147628117365
5 √n
38.257657353474
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
-81958096
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 81958097 can be divided by 8 positive divisors.
The sum of these divisors (counting 81958097) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000101001010011010001
3
Ternary
12201012220101002
4
Quaternary
10320221103101
5
Quinary
131440124342
6
Senary
12044351345
8
Octal
470512321
10
Decimal
81958097
12
Duodecimal
23545555
16
Hexadecimal
4e294d1
20
Vigesimal
15c4f4h
36
Base36
1csn9t
md5
bc8d3ebedd1ae4d291da1c1e419c01c6
sha1
9977f4d821320442b60d5ce7b0de62034a02b838
sha256
4df003f7f9da5bcfc9a35bee8725bb06a1b1df1addb4c5282a2a3be1870c2994
sha512
0f96f37217f6ec33c44576f3015f7a2424643028e81767c0cb5198cfe5cd05026135ca350a85a1c1ba2499fbeb4ba5ff34d6e8ca63e4634735711a3c52599135
ripemd-160
bb6a3833591d3043d176e1699addfb86185e9174
Diameter
163916194
Circumference
514957910.8748
Area
2.1102485205197E+16
Volume
2.3060260391848E+24
Surface area
8.4409940820788E+16
Circumference
514957910.8748
Perimeter
327832388
Area
6717129663861409
Diagonal
115906252.32369
Surface area
40302777983168454
Volume
5.5052316455233E+23
Space diagonal
141955588.09566
Perimeter
245874291
Area
2.908602464709E+15
Altitude
70977794.047829
Surface area
2.908602464709E+15
Volume
6.4879777142538E+22
Height
38635417.44123