81551135 (number)

81551135 is an odd 8-digits composite number following 81551134 and preceding 81551136. In scientific notation, it is written as 8.1551135 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 61807104 positive integers (up to 81551135) that are relatively prime to 81551135.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-one thousand one hundred thirty-five

Notation

Scientific notation 8.1551135 × 10^7
Engineering notation 8.1551135 × 10^6

Prime Factorization of 81551135

Prime Factorization 95 × 858433

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81551135
Product of the distinct prime numbers

The prime factorization of 81551135 is 95 × 858433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551135)

Multiplication

n×y
n×2 163102270
n×3 244653405
n×4 326204540
n×5 407755675

Division

n÷y
n÷2 40775567.5
n÷3 27183711.666667
n÷3 20387783.75
n÷5 16310227

Exponentiation

ny
n2 6650587619788225
n3 5.4236296881068E+23
n4 4.423031568848E+31
n5 3.6070324458039E+39

Nth Root

y√n
2√n 9030.5667042551
3√n 433.65397996905
4√n 95.029293926952
5√n 38.21958807253

Divisors of 81551135

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 -81551134
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 81551135 can be divided by 4 positive divisors. The sum of these divisors (counting 81551135) is 1, the average is 0.25.

Base conversion 81551135

Base System Value
2 Binary 100110111000101111100011111
3 Ternary 12200110020010102
4 Quaternary 10313011330133
5 Quinary 131334114020
6 Senary 12031531315
8 Octal 467057437
10 Decimal 81551135
12 Duodecimal 23389b3b
16 Hexadecimal 4dc5f1f
20 Vigesimal 159dhgf
36 Base36 1cjx9b

Cryptographic Hash Functions

md5 a195fa5dc40c0c87316f59d44f1ecf75
sha1 ca7c9f658c90a1e943ce89ec7b0db458fb53fd0a
sha256 b5edd5bb970e85877597b1ab92507e9b0fbcc80990550aed714cbcf98390ad55
sha512 de2aceed5e0350b780885790afa1e0f102ba619a1b87aaf9d0918c52b83b3debf89cd08eff91487874a924f7545beea7ac81c8055cd5d05a76ce2557a14ff8ce
ripemd-160 cb85f1b4a4a37619d07b6dbfe94a7b199a9acbb8

81551135 as geometric shapes

Circle

Radius = n
Diameter 163102270
Circumference 512400893.21582
Area 2.0893437208382E+16

Sphere

Radius = n
Volume 2.271844691193E+24
Surface area 8.3573748833528E+16
Circumference 512400893.21582

Square

Length = n
Perimeter 326204540
Area 6650587619788225
Diagonal 115330721.14392

Cube

Length = n
Surface area 39903525718729350
Volume 5.4236296881068E+23
Space diagonal 141250709.23491

Equilateral Triangle

Length = n
Perimeter 244653405
Area 2.8797889144154E+15
Altitude 70625354.617454

Triangular Pyramid

Length = n
Surface area 2.8797889144154E+15
Volume 6.391808885175E+22
Height 38443573.71464