81007158 (number)

81007158 is an even 8-digits composite number following 81007157 and preceding 81007159. In scientific notation, it is written as 8.1007158 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 27002384 positive integers (up to 81007158) that are relatively prime to 81007158.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1007158 × 10^7
Engineering notation 8.1007158 × 10^6

Prime Factorization of 81007158

Prime Factorization 2 × 3 × 13501193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81007158
Product of the distinct prime numbers

The prime factorization of 81007158 is 2 × 3 × 13501193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81007158)

Multiplication

n×y
n×2 162014316
n×3 243021474
n×4 324028632
n×5 405035790

Division

n÷y
n÷2 40503579
n÷3 27002386
n÷3 20251789.5
n÷5 16201431.6

Exponentiation

ny
n2 6562159647236964
n3 5.3158190336495E+23
n4 4.3061939235825E+31
n5 3.4883253154629E+39

Nth Root

y√n
2√n 9000.3976578816
3√n 432.68761592968
4√n 94.87042562296
5√n 38.16846365267

Divisors of 81007158

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 -81007157
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 81007158 can be divided by 8 positive divisors. The sum of these divisors (counting 81007158) is 1, the average is 0.125.

Base conversion 81007158

Base System Value
2 Binary 100110101000001001000110110
3 Ternary 12122102120221010
4 Quaternary 10311001020312
5 Quinary 131214212113
6 Senary 12012133050
8 Octal 465011066
10 Decimal 81007158
12 Duodecimal 23167186
16 Hexadecimal 4d41236
20 Vigesimal 1565hhi
36 Base36 1c89iu

Cryptographic Hash Functions

md5 e360a84fb7206b8a50926001130d9a85
sha1 ae35c1a6ec4fb36ee2db169e508b09e8a58a78c3
sha256 1580321e50d73200d9f8b340794a6c676347bd22cae7aeb66c34e43e6aed1f5b
sha512 5387b5160b91587d5e5e0a83218d7eb79485993d0c0becbc53d49e544e398a0950c5156ed3b7a50e14ed6188da37fe1bd6f422838bc9eb4490f6ae47d855ce5b
ripemd-160 37e622aa3a05545d248489559052cdce1e0485dd

81007158 as geometric shapes

Circle

Radius = n
Diameter 162014316
Circumference 508982984.92198
Area 2.0615632539443E+16

Sphere

Radius = n
Volume 2.2266850698568E+24
Surface area 8.2462530157772E+16
Circumference 508982984.92198

Square

Length = n
Perimeter 324028632
Area 6562159647236964
Diagonal 114561421.4929

Cube

Length = n
Surface area 39372957883421784
Volume 5.3158190336495E+23
Space diagonal 140308513.43276

Equilateral Triangle

Length = n
Perimeter 243021474
Area 2.8414984790982E+15
Altitude 70154256.71638

Triangular Pyramid

Length = n
Surface area 2.8414984790982E+15
Volume 6.2647528104235E+22
Height 38187140.497633