18081008 (number)

18081008 is an even 8-digits composite number following 18081007 and preceding 18081009. In scientific notation, it is written as 1.8081008 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors. There are 7784640 positive integers (up to 18081008) that are relatively prime to 18081008.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand eight

Notation

Scientific notation 1.8081008 × 10^7
Engineering notation 1.8081008 × 10^6

Prime Factorization of 18081008

Prime Factorization 2 × 2 × 2 × 2 × 209 × 5407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2260126
Product of the distinct prime numbers

The prime factorization of 18081008 is 2 × 2 × 2 × 2 × 209 × 5407. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 46, 56, 891, 167, 579, 3960, 48466, 12567, 623390, 399379, 7931485, 8358743, 11492071, 5246969, 31342981, 477134793, 2395398895, 694977777

Basic calculations (n = 18081008)

Multiplication

n×y
n×2 36162016
n×3 54243024
n×4 72324032
n×5 90405040

Division

n÷y
n÷2 9040504
n÷3 6027002.6666667
n÷3 4520252
n÷5 3616201.6

Exponentiation

ny
n2 326922850296064
n3 5.9110946715859E+21
n4 1.068785500457E+29
n5 1.9324719184048E+36

Nth Root

y√n
2√n 4252.1768542712
3√n 262.46670114272
4√n 65.208717624803
5√n 28.277728972156

Divisors of 18081008

1, 2, 4, 8, 16, 209, 418, 836, 1672, 3344, 5407, 10814, 21628, 43256, 86512, 1130063, 2260126, 4520252, 9040504, 18081008

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081008 can be divided by 20 positive divisors. The sum of these divisors (counting 18081008) is 1, the average is 0.05.

Base conversion 18081008

Base System Value
2 Binary 1000100111110010011110000
3 Ternary 1021000121110222
4 Quaternary 1010332103300
5 Quinary 14112043013
6 Senary 1443312212
8 Octal 104762360
10 Decimal 18081008
12 Duodecimal 607b668
16 Hexadecimal 113e4f0
20 Vigesimal 5d02a8
36 Base36 arje8

Cryptographic Hash Functions

md5 a2e5616d6ded4dcbe9642ad7eee6fcf9
sha1 b675a094d732c0b1970739a8a8e55b983e6bfbdb
sha256 1e0d278bb75af224e9c32774a68858db9e0ab9f31e8823aa9fe48806d54c6624
sha512 59de4243c9e82576ee4fbd3118d0e9059e8d591d1e1568eaed1da42150ef0810c096e9f10d97cbe18382e36955b75a3b777130b348f532fa31d82b0d89d421b7
ripemd-160 161fd4bf128b628abf3c2a02faf30acf7951e7e7

18081008 as geometric shapes

Circle

Radius = n
Diameter 36162016
Circumference 113606323.8046
Area 1.0270584247808E+15

Sphere

Radius = n
Volume 2.4760335459904E+22
Surface area 4.108233699123E+15
Circumference 113606323.8046

Square

Length = n
Perimeter 72324032
Area 326922850296064
Diagonal 25570406.734976

Cube

Length = n
Surface area 1961537101776384
Volume 5.9110946715859E+21
Space diagonal 31317224.508059

Equilateral Triangle

Length = n
Perimeter 54243024
Area 1.41561746717E+14
Altitude 15658612.25403

Triangular Pyramid

Length = n
Surface area 1.41561746717E+14
Volume 6.9662918775235E+20
Height 8523468.9116588