81420199 (number)

81420199 is an odd 8-digits composite number following 81420198 and preceding 81420200. In scientific notation, it is written as 8.1420199 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 67804128 positive integers (up to 81420199) that are relatively prime to 81420199.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty thousand one hundred ninety-nine

Notation

Scientific notation 8.1420199 × 10^7
Engineering notation 8.1420199 × 10^6

Prime Factorization of 81420199

Prime Factorization 7 × 43 × 223 × 1213

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81420199
Product of the distinct prime numbers

The prime factorization of 81420199 is 7 × 43 × 223 × 1213. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81420199)

Multiplication

n×y
n×2 162840398
n×3 244260597
n×4 325680796
n×5 407100995

Division

n÷y
n÷2 40710099.5
n÷3 27140066.333333
n÷3 20355049.75
n÷5 16284039.8

Exponentiation

ny
n2 6629248805199601
n3 5.3975475693986E+23
n4 4.394693972124E+31
n5 3.5781685775444E+39

Nth Root

y√n
2√n 9023.3141915817
3√n 433.42176847286
4√n 94.991126909737
5√n 38.207307343399

Divisors of 81420199

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81420198
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81420199 can be divided by 16 positive divisors. The sum of these divisors (counting 81420199) is 1, the average is 0.0625.

Base conversion 81420199

Base System Value
2 Binary 100110110100101111110100111
3 Ternary 12200012120111221
4 Quaternary 10312211332213
5 Quinary 131320421244
6 Senary 12025041211
8 Octal 466457647
10 Decimal 81420199
12 Duodecimal 23326207
16 Hexadecimal 4da5fa7
20 Vigesimal 158ha9j
36 Base36 1ch487

Cryptographic Hash Functions

md5 0535b3c79e9699ee79a9e394b9b1c582
sha1 63bcc2e15787ab36c4dd526af52fb6781160542b
sha256 94ef2a86516314185077dabc1ea31ac3270cad261f3b854a8256e6336ed0c5c7
sha512 c956d1ec30937e6462385f5423d4a66b629bb2fedee1c3f1ec40c10f8bc3fc1f5ddc2ce7db25ab835d11566a958b05e2870322f0ac89e22b62d0a346aec889da
ripemd-160 dd8422db7d08a40ff34fd7e8b5a4a0824eb5e2b5

81420199 as geometric shapes

Circle

Radius = n
Diameter 162840398
Circumference 511578198.06444
Area 2.0826399345234E+16

Sphere

Radius = n
Volume 2.2609194388566E+24
Surface area 8.3305597380936E+16
Circumference 511578198.06444

Square

Length = n
Perimeter 325680796
Area 6629248805199601
Diagonal 115145549.67692

Cube

Length = n
Surface area 39775492831197606
Volume 5.3975475693986E+23
Space diagonal 141023921.43037

Equilateral Triangle

Length = n
Perimeter 244260597
Area 2.8705489366552E+15
Altitude 70511960.715184

Triangular Pyramid

Length = n
Surface area 2.8705489366552E+15
Volume 6.3610708134979E+22
Height 38381849.892305