81958097 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred fifty-eight thousand ninety-seven

Notation

Scientific notation 8.1958097 × 10^7
Engineering notation 8.1958097 × 10^6

Prime Factorization of 81958097

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.

Most popular turbo-numbers

Basic calculations (n = 81958097)

Multiplication

n×y
n×2 163916194
n×3 245874291
n×4 327832388
n×5 409790485

Division

n÷y
n÷2 40979048.5
n÷3 27319365.666667
n÷3 20489524.25
n÷5 16391619.4

Exponentiation

ny
n2 6717129663861409
n3 5.5052316455233E+23
n4 4.5119830921127E+31
n5 3.6979354792573E+39

Nth Root

y√n
2√n 9053.0711363603
3√n 434.37413320049
4√n 95.147628117365
5√n 38.257657353474

Divisors of 81958097

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 conversion 81958097

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

Cryptographic Hash Functions

md5 bc8d3ebedd1ae4d291da1c1e419c01c6
sha1 9977f4d821320442b60d5ce7b0de62034a02b838
sha256 4df003f7f9da5bcfc9a35bee8725bb06a1b1df1addb4c5282a2a3be1870c2994
sha512 0f96f37217f6ec33c44576f3015f7a2424643028e81767c0cb5198cfe5cd05026135ca350a85a1c1ba2499fbeb4ba5ff34d6e8ca63e4634735711a3c52599135
ripemd-160 bb6a3833591d3043d176e1699addfb86185e9174

81958097 as geometric shapes

Circle

Radius = n
Diameter 163916194
Circumference 514957910.8748
Area 2.1102485205197E+16

Sphere

Radius = n
Volume 2.3060260391848E+24
Surface area 8.4409940820788E+16
Circumference 514957910.8748

Square

Length = n
Perimeter 327832388
Area 6717129663861409
Diagonal 115906252.32369

Cube

Length = n
Surface area 40302777983168454
Volume 5.5052316455233E+23
Space diagonal 141955588.09566

Equilateral Triangle

Length = n
Perimeter 245874291
Area 2.908602464709E+15
Altitude 70977794.047829

Triangular Pyramid

Length = n
Surface area 2.908602464709E+15
Volume 6.4879777142538E+22
Height 38635417.44123