81358051 (number)

81358051 is an odd 8-digits composite number following 81358050 and preceding 81358052. In scientific notation, it is written as 8.1358051 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81197704 positive integers (up to 81358051) that are relatively prime to 81358051.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1358051 × 10^7
Engineering notation 8.1358051 × 10^6

Prime Factorization of 81358051

Prime Factorization 509 × 159839

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81358051
Product of the distinct prime numbers

The prime factorization of 81358051 is 509 × 159839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81358051)

Multiplication

n×y
n×2 162716102
n×3 244074153
n×4 325432204
n×5 406790255

Division

n÷y
n÷2 40679025.5
n÷3 27119350.333333
n÷3 20339512.75
n÷5 16271610.2

Exponentiation

ny
n2 6619132462518601
n3 5.3851971646134E+23
n4 4.3812914556368E+31
n5 3.5645333369356E+39

Nth Root

y√n
2√n 9019.8697884171
3√n 433.31146352481
4√n 94.972995048156
5√n 38.201472837754

Divisors of 81358051

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 -81358050
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 81358051 can be divided by 4 positive divisors. The sum of these divisors (counting 81358051) is 1, the average is 0.25.

Base conversion 81358051

Base System Value
2 Binary 100110110010110110011100011
3 Ternary 12200002102021011
4 Quaternary 10312112303203
5 Quinary 131311424201
6 Senary 12023441351
8 Octal 466266343
10 Decimal 81358051
12 Duodecimal 232b6257
16 Hexadecimal 4d96ce3
20 Vigesimal 1589f2b
36 Base36 1cfs9v

Cryptographic Hash Functions

md5 19d863a6b4ddc4f352b75efc1fa3b579
sha1 70e5fdfbe948de8dea008c09bbef3b8f07dfa2d0
sha256 074649984e675014ffb37976b96b89b23c68da85f7f86e8c242c17f0baf7ab30
sha512 440f06b7a34726a408a1adb25866d177184a86fda173d3488d276e84eba3e8538aa13efccc8e30d34d05ad3799e89d6b1098ff11401cd273c6b3355830ef3097
ripemd-160 0abe75288b084768c4c10a20c5b2a3a28219bc85

81358051 as geometric shapes

Circle

Radius = n
Diameter 162716102
Circumference 511187710.66397
Area 2.0794617917386E+16

Sphere

Radius = n
Volume 2.2557461133976E+24
Surface area 8.3178471669545E+16
Circumference 511187710.66397

Square

Length = n
Perimeter 325432204
Area 6619132462518601
Diagonal 115057659.13244

Cube

Length = n
Surface area 39714794775111606
Volume 5.3851971646134E+23
Space diagonal 140916277.93678

Equilateral Triangle

Length = n
Perimeter 244074153
Area 2.8661684317777E+15
Altitude 70458138.96839

Triangular Pyramid

Length = n
Surface area 2.8661684317777E+15
Volume 6.3465157218746E+22
Height 38352553.044147