81640122 (number)

81640122 is an even 8-digits composite number following 81640121 and preceding 81640123. In scientific notation, it is written as 8.1640122 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 27213372 positive integers (up to 81640122) that are relatively prime to 81640122.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand one hundred twenty-two

Notation

Scientific notation 8.1640122 × 10^7
Engineering notation 8.1640122 × 10^6

Prime Factorization of 81640122

Prime Factorization 2 × 3 × 13606687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81640122
Product of the distinct prime numbers

The prime factorization of 81640122 is 2 × 3 × 13606687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81640122)

Multiplication

n×y
n×2 163280244
n×3 244920366
n×4 326560488
n×5 408200610

Division

n÷y
n÷2 40820061
n÷3 27213374
n÷3 20410030.5
n÷5 16328024.4

Exponentiation

ny
n2 6665109520174884
n3 5.4414035437044E+23
n4 4.4423684915926E+31
n5 3.6267550562257E+39

Nth Root

y√n
2√n 9035.4923496177
3√n 433.81165420685
4√n 95.055206851691
5√n 38.227925327414

Divisors of 81640122

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 -81640121
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 81640122 can be divided by 8 positive divisors. The sum of these divisors (counting 81640122) is 1, the average is 0.125.

Base conversion 81640122

Base System Value
2 Binary 100110111011011101010111010
3 Ternary 12200121202012020
4 Quaternary 10313123222322
5 Quinary 131344440442
6 Senary 12033455310
8 Octal 467335272
10 Decimal 81640122
12 Duodecimal 23411536
16 Hexadecimal 4ddbaba
20 Vigesimal 15a5062
36 Base36 1cltx6

Cryptographic Hash Functions

md5 f4ea0ec2995cb88da73bfbd97539f643
sha1 0f1582a631d70603b2673bad4ebc6d3df10e17c4
sha256 17af00f603ac2265e3903c253accadda42cd2ba0e30ba06d8240cad8ca5aad28
sha512 dc63474c087d0ee4a1134df6bf705d694e37d0173a825a0b94f3bd4a80b04603a1df3781102f3c8b2e38b74bb2ea028d80ceb6072d1f4e07bd04af6f35e9888c
ripemd-160 7a3fae332af1ff54c0892df27bf881c8957998ab

81640122 as geometric shapes

Circle

Radius = n
Diameter 163280244
Circumference 512960015.02675
Area 2.0939059103953E+16

Sphere

Radius = n
Volume 2.2792897864159E+24
Surface area 8.3756236415811E+16
Circumference 512960015.02675

Square

Length = n
Perimeter 326560488
Area 6665109520174884
Diagonal 115456567.76619

Cube

Length = n
Surface area 39990657121049304
Volume 5.4414035437044E+23
Space diagonal 141404839.24012

Equilateral Triangle

Length = n
Perimeter 244920366
Area 2.8860770817385E+15
Altitude 70702419.620061

Triangular Pyramid

Length = n
Surface area 2.8860770817385E+15
Volume 6.4127555748765E+22
Height 38485522.588731