81121353 (number)

81121353 is an odd 8-digits composite number following 81121352 and preceding 81121354. In scientific notation, it is written as 8.1121353 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 52619184 positive integers (up to 81121353) that are relatively prime to 81121353.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1121353 × 10^7
Engineering notation 8.1121353 × 10^6

Prime Factorization of 81121353

Prime Factorization 3 × 37 × 730823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81121353
Product of the distinct prime numbers

The prime factorization of 81121353 is 3 × 37 × 730823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81121353)

Multiplication

n×y
n×2 162242706
n×3 243364059
n×4 324485412
n×5 405606765

Division

n÷y
n÷2 40560676.5
n÷3 27040451
n÷3 20280338.25
n÷5 16224270.6

Exponentiation

ny
n2 6580673912550609
n3 5.3383317143791E+23
n4 4.3305269143324E+31
n5 3.5129820249356E+39

Nth Root

y√n
2√n 9006.7393100944
3√n 432.89083896877
4√n 94.903842441149
5√n 38.179218731983

Divisors of 81121353

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 -81121352
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 81121353 can be divided by 8 positive divisors. The sum of these divisors (counting 81121353) is 1, the average is 0.125.

Base conversion 81121353

Base System Value
2 Binary 100110101011101000001001001
3 Ternary 12122122101120120
4 Quaternary 10311131001021
5 Quinary 131231340403
6 Senary 12014413453
8 Octal 465350111
10 Decimal 81121353
12 Duodecimal 23201289
16 Hexadecimal 4d5d049
20 Vigesimal 157037d
36 Base36 1capmx

Cryptographic Hash Functions

md5 445f1a3068bfa9fa44138154c54e2fc8
sha1 b8790c818d7dd07affe8b52675200ecdc6dc5888
sha256 75cc2e53be84decc4a6e8fb7cb88bc49d9b086440dea0b8b88f7c03ec34a0edd
sha512 073697e1151194b70a37d8d665f630cd4c5ef952495b37822273f075a837f382279b695e5c6eba37e36c9ea6428c8519ca6f83b02fc15b7c6b54286bd1d1eebb
ripemd-160 e72c765a3b0d80a3aca07a94c10a4e601f94d6f5

81121353 as geometric shapes

Circle

Radius = n
Diameter 162242706
Circumference 509700493.26813
Area 2.0673796819339E+16

Sphere

Radius = n
Volume 2.2361151595092E+24
Surface area 8.2695187277356E+16
Circumference 509700493.26813

Square

Length = n
Perimeter 324485412
Area 6580673912550609
Diagonal 114722917.61066

Cube

Length = n
Surface area 39484043475303654
Volume 5.3383317143791E+23
Space diagonal 140506304.97473

Equilateral Triangle

Length = n
Perimeter 243364059
Area 2.8495153911452E+15
Altitude 70253152.487365

Triangular Pyramid

Length = n
Surface area 2.8495153911452E+15
Volume 6.2912842591011E+22
Height 38240972.536885