81433900 (number)

81433900 is an even 8-digits composite number following 81433899 and preceding 81433901. In scientific notation, it is written as 8.1433900 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 72 positive divisors. There are 31104000 positive integers (up to 81433900) that are relatively prime to 81433900.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred thirty-three thousand nine hundred

Notation

Scientific notation 8.1433900 × 10^7
Engineering notation 8.1433900 × 10^6

Prime Factorization of 81433900

Prime Factorization 2 × 2 × 5 × 5 × 31 × 241 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8143390
Product of the distinct prime numbers

The prime factorization of 81433900 is 2 × 2 × 5 × 5 × 31 × 241 × 109. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81433900)

Multiplication

n×y
n×2 162867800
n×3 244301700
n×4 325735600
n×5 407169500

Division

n÷y
n÷2 40716950
n÷3 27144633.333333
n÷3 20358475
n÷5 16286780

Exponentiation

ny
n2 6631480069210000
n3 5.4002728480804E+23
n4 4.3976527908329E+31
n5 3.5811801760341E+39

Nth Root

y√n
2√n 9024.0733596309
3√n 433.4460784871
4√n 94.995122820232
5√n 38.208593125287

Divisors of 81433900

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81433899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81433900 can be divided by 72 positive divisors. The sum of these divisors (counting 81433900) is 1, the average is 0.013888888888889.

Base conversion 81433900

Base System Value
2 Binary 100110110101001010100101100
3 Ternary 12200020021022101
4 Quaternary 10312221110230
5 Quinary 131321341100
6 Senary 12025224444
8 Octal 466512454
10 Decimal 81433900
12 Duodecimal 23332124
16 Hexadecimal 4da952c
20 Vigesimal 158j4f0
36 Base36 1chess

Cryptographic Hash Functions

md5 8153c7065c99b487eab4a85e54d88277
sha1 cd7151550956ba03d7226f2cec2c17925f46001b
sha256 6673631d5d5e6472db2673434db035961304f712eba5b897043bdf99d9a369bd
sha512 2dd1556d3ce80d348dc97307293f0fe6aedc546aa0636930fc43941ba535941bf730ebd6b055ff87db2cb509ba2a3edb4c3d30c2f21b672e738c7b7247096e1f
ripemd-160 6d0e1789d59b12a5dd7e7d01cc5470967c9c2fd2

81433900 as geometric shapes

Circle

Radius = n
Diameter 162867800
Circumference 511664283.98633
Area 2.0833409067857E+16

Sphere

Radius = n
Volume 2.2620610009213E+24
Surface area 8.3333636271429E+16
Circumference 511664283.98633

Square

Length = n
Perimeter 325735600
Area 6631480069210000
Diagonal 115164925.81693

Cube

Length = n
Surface area 39788880415260000
Volume 5.4002728480804E+23
Space diagonal 141047652.25848

Equilateral Triangle

Length = n
Perimeter 244301700
Area 2.871515102313E+15
Altitude 70523826.129242

Triangular Pyramid

Length = n
Surface area 2.871515102313E+15
Volume 6.3642825852254E+22
Height 38388308.605645