81858093 (number)

81858093 is an odd 8-digits composite number following 81858092 and preceding 81858094. In scientific notation, it is written as 8.1858093 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 54572060 positive integers (up to 81858093) that are relatively prime to 81858093.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred fifty-eight thousand ninety-three

Notation

Scientific notation 8.1858093 × 10^7
Engineering notation 8.1858093 × 10^6

Prime Factorization of 81858093

Prime Factorization 3 × 27286031

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81858093
Product of the distinct prime numbers

The prime factorization of 81858093 is 3 × 27286031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81858093)

Multiplication

n×y
n×2 163716186
n×3 245574279
n×4 327432372
n×5 409290465

Division

n÷y
n÷2 40929046.5
n÷3 27286031
n÷3 20464523.25
n÷5 16371618.6

Exponentiation

ny
n2 6700747389596649
n3 5.4851040298711E+23
n4 4.4900015579186E+31
n5 3.6754296509825E+39

Nth Root

y√n
2√n 9047.5462419376
3√n 434.19738909864
4√n 95.118590411852
5√n 38.248316513203

Divisors of 81858093

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 -81858092
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 81858093 can be divided by 4 positive divisors. The sum of these divisors (counting 81858093) is 1, the average is 0.25.

Base conversion 81858093

Base System Value
2 Binary 100111000010000111000101101
3 Ternary 12201000211012020
4 Quaternary 10320100320231
5 Quinary 131423424333
6 Senary 12042300353
8 Octal 470207055
10 Decimal 81858093
12 Duodecimal 234b76b9
16 Hexadecimal 4e10e2d
20 Vigesimal 15bc54d
36 Base36 1cqi3x

Cryptographic Hash Functions

md5 7cff3d1030ebbe7f0d462aa9342ab5c7
sha1 ca348a46bc9b8ee7e099094eff5921e839030e73
sha256 8257afffcf5cb5d0257fc55781df948850dc18f26cdd32d066c2c053b7737d95
sha512 6c5c6fc9ca37721277d328e1df435b48eaeb32e5c363632532253d37fa1be28a7dbd5e8871fba2b53942d987201958f4fb2ad7bc4d255a94ea9f175689033823
ripemd-160 6c47d31bb0b09f1a4329eed878f3ed3f8f8aa725

81858093 as geometric shapes

Circle

Radius = n
Diameter 163716186
Circumference 514329567.21134
Area 2.1051018772718E+16

Sphere

Radius = n
Volume 2.2975950032558E+24
Surface area 8.4204075090871E+16
Circumference 514329567.21134

Square

Length = n
Perimeter 327432372
Area 6700747389596649
Diagonal 115764825.3106

Cube

Length = n
Surface area 40204484337579894
Volume 5.4851040298711E+23
Space diagonal 141782376.0867

Equilateral Triangle

Length = n
Perimeter 245574279
Area 2.9015087318665E+15
Altitude 70891188.043349

Triangular Pyramid

Length = n
Surface area 2.9015087318665E+15
Volume 6.4642570917259E+22
Height 38588275.103533