181228081 (number)

181228081 is an odd 9-digits composite number following 181228080 and preceding 181228082. In scientific notation, it is written as 1.81228081 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 179722368 positive integers (up to 181228081) that are relatively prime to 181228081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.81228081 × 10^8
Engineering notation 1.81228081 × 10^6

Prime Factorization of 181228081

Prime Factorization 277 × 229 × 2857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 181228081
Product of the distinct prime numbers

The prime factorization of 181228081 is 277 × 229 × 2857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 39, 65, 905, 618, 2676, 3159, 60432, 31037, 9165, 18877, 6192562, 7565782, 78458715, 82588447, 889121108, 418966225, 5183634246, 8385562760

Basic calculations (n = 181228081)

Multiplication

n×y
n×2 362456162
n×3 543684243
n×4 724912324
n×5 906140405

Division

n÷y
n÷2 90614040.5
n÷3 60409360.333333
n÷3 45307020.25
n÷5 36245616.2

Exponentiation

ny
n2 32843617342942561
n3 5.9521857441598E+24
n4 1.0787032001696E+33
n5 1.954913109353E+41

Nth Root

y√n
2√n 13462.097942
3√n 565.90278414561
4√n 116.02628125558
5√n 44.837882893083

Divisors of 181228081

1, 229, 277, 2857, 63433, 654253, 791389, 181228081

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 -181228080
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 181228081 can be divided by 8 positive divisors. The sum of these divisors (counting 181228081) is 1, the average is 0.125.

Base conversion 181228081

Base System Value
2 Binary 1010110011010101001000110001
3 Ternary 110122000100012011
4 Quaternary 22303111020301
5 Quinary 332343244311
6 Senary 25552202521
8 Octal 1263251061
10 Decimal 181228081
12 Duodecimal 50839441
16 Hexadecimal acd5231
20 Vigesimal 2gcda41
36 Base36 2zwchd

Cryptographic Hash Functions

md5 24c2413f8af2fc36a9abda3cd8edd583
sha1 1cb76b32b0d200d0d2aaad679097630e8ebf4795
sha256 b66837614f1c31b081843037e97b04d46da0933d905501865233d35e675ff035
sha512 317d03d605c27a0cb1c38a4b05738af8263438877aa90f1bdd0544d6fdfaaa679549a50eeef244fc0e8506971bb8a832898b731a0150066535c6ce3167f46de9
ripemd-160 039386a5cd8187147a41bed7f943ff3bd01f5b88

181228081 as geometric shapes

Circle

Radius = n
Diameter 362456162
Circumference 1138689615.7876
Area 1.031812669619E+17

Sphere

Radius = n
Volume 2.4932457342206E+25
Surface area 4.1272506784761E+17
Circumference 1138689615.7876

Square

Length = n
Perimeter 724912324
Area 32843617342942561
Diagonal 256295210.03305

Cube

Length = n
Surface area 197061704057655366
Volume 5.9521857441598E+24
Space diagonal 313896244.05021

Equilateral Triangle

Length = n
Perimeter 543684243
Area 1.4221703485582E+16
Altitude 156948122.0251

Triangular Pyramid

Length = n
Surface area 1.4221703485582E+16
Volume 7.0147181709622E+23
Height 85431736.677683