81121108 (number)

81121108 is an even 8-digits composite number following 81121107 and preceding 81121109. In scientific notation, it is written as 8.1121108 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 38425752 positive integers (up to 81121108) that are relatively prime to 81121108.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand one hundred eight

Notation

Scientific notation 8.1121108 × 10^7
Engineering notation 8.1121108 × 10^6

Prime Factorization of 81121108

Prime Factorization 2 × 2 × 19 × 1067383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40560554
Product of the distinct prime numbers

The prime factorization of 81121108 is 2 × 2 × 19 × 1067383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 57, 70, 54, 241, 2729, 3875, 59640, 38369, 598765, 823722, 2826993, 2051510, 17882068, 52192657, 748035282, 791198991, 2155043374, 5699108572

Basic calculations (n = 81121108)

Multiplication

n×y
n×2 162242216
n×3 243363324
n×4 324484432
n×5 405605540

Division

n÷y
n÷2 40560554
n÷3 27040369.333333
n÷3 20280277
n÷5 16224221.6

Exponentiation

ny
n2 6580634163147664
n3 5.3382833465719E+23
n4 4.3304745989186E+31
n5 3.5129289763013E+39

Nth Root

y√n
2√n 9006.7257091576
3√n 432.89040316751
4√n 94.903770784714
5√n 38.179195670435

Divisors of 81121108

1, 2, 4, 19, 38, 76, 1067383, 2134766, 4269532, 20280277, 40560554, 81121108

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81121107
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121108 can be divided by 12 positive divisors. The sum of these divisors (counting 81121108) is 1, the average is 0.083333333333333.

Base conversion 81121108

Base System Value
2 Binary 100110101011100111101010100
3 Ternary 12122122101020111
4 Quaternary 10311130331110
5 Quinary 131231333413
6 Senary 12014412404
8 Octal 465347524
10 Decimal 81121108
12 Duodecimal 23201104
16 Hexadecimal 4d5cf54
20 Vigesimal 15702f8
36 Base36 1capg4

Cryptographic Hash Functions

md5 0ad929cdd11e5d7949c2c5e4591a2068
sha1 c9538bd39b5bcd533bc5e9d8fe2607d12d2fd9ed
sha256 3fd283e1e3371d93ece978bfec1232d0298d03eeaaef8208f9dac781409b9515
sha512 3ba469cf2ba4d675af1796ee9bd969363cddcae56f6381a2c84a3c4a6779537dfc5abca56559955ccffc507f6a37e17b74eb32fbf2b332733010989c8e2dad3c
ripemd-160 56161a4a1268e53dc5b58b46ebd83360b41880e1

81121108 as geometric shapes

Circle

Radius = n
Diameter 162242216
Circumference 509698953.88773
Area 2.0673671942907E+16

Sphere

Radius = n
Volume 2.2360948992495E+24
Surface area 8.2694687771627E+16
Circumference 509698953.88773

Square

Length = n
Perimeter 324484432
Area 6580634163147664
Diagonal 114722571.12833

Cube

Length = n
Surface area 39483804978885984
Volume 5.3382833465719E+23
Space diagonal 140505880.62228

Equilateral Triangle

Length = n
Perimeter 243363324
Area 2.8494981791488E+15
Altitude 70252940.311141

Triangular Pyramid

Length = n
Surface area 2.8494981791488E+15
Volume 6.2912272570937E+22
Height 38240857.042778