18218970 (number)

18218970 is an even 8-digits composite number following 18218969 and preceding 18218971. In scientific notation, it is written as 1.8218970 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 3769920 positive integers (up to 18218970) that are relatively prime to 18218970.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighteen thousand nine hundred seventy

Notation

Scientific notation 1.8218970 × 10^7
Engineering notation 1.8218970 × 10^6

Prime Factorization of 18218970

Prime Factorization 2 × 9 × 605 × 7 × 239

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18218970
Product of the distinct prime numbers

The prime factorization of 18218970 is 2 × 9 × 605 × 7 × 239. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 58, 99, 58, 390, 9203, 8830, 2309, 78244, 873926, 286703, 4796209, 553736, 97269561, 84233613, 257406186, 125840405, 7514732623, 2548343800

Basic calculations (n = 18218970)

Multiplication

n×y
n×2 36437940
n×3 54656910
n×4 72875880
n×5 91094850

Division

n÷y
n÷2 9109485
n÷3 6072990
n÷3 4554742.5
n÷5 3643794

Exponentiation

ny
n2 331930867860900
n3 6.0474385236317E+21
n4 1.1017810103889E+29
n5 2.0073315174845E+36

Nth Root

y√n
2√n 4268.3685407893
3√n 263.13256965414
4√n 65.332752435431
5√n 28.320750902216

Divisors of 18218970

1, 2, 7, 9, 14, 18, 63, 126, 239, 478, 605, 1210, 1673, 2151, 3346, 4235, 4302, 5445, 8470, 10890, 15057, 30114, 38115, 76230, 144595, 289190, 1012165, 1301355, 2024330, 2602710, 9109485, 18218970

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18218969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18218970 can be divided by 32 positive divisors. The sum of these divisors (counting 18218970) is 1, the average is 0.03125.

Base conversion 18218970

Base System Value
2 Binary 1000101011111111111011010
3 Ternary 1021021121201200
4 Quaternary 1011133333122
5 Quinary 14131001340
6 Senary 1450255030
8 Octal 105377732
10 Decimal 18218970
12 Duodecimal 6127476
16 Hexadecimal 115ffda
20 Vigesimal 5dh78a
36 Base36 auhui

Cryptographic Hash Functions

md5 645cf3872901c26d2679cb6776fe7ef8
sha1 3ac9c255090edf095283d7983b09b2893a8eb5cc
sha256 19e9d21285a77c320f9ce2557e3320ffbce6a30fe90f9e13aef87bf913d71465
sha512 3e0d1333343628f57a437ce97e35f5d83e77a146fc42f4f96543d361e69dfdcc65829fd687bda8d43d8af0ca17fd957413f795adf29a35c4f2f8b2e10815f1c3
ripemd-160 8b5906125c8da10122ee652e195ee79a377e6a0e

18218970 as geometric shapes

Circle

Radius = n
Diameter 36437940
Circumference 114473164.61595
Area 1.0427915759715E+15

Sphere

Radius = n
Volume 2.5331451251836E+22
Surface area 4.171166303886E+15
Circumference 114473164.61595

Square

Length = n
Perimeter 72875880
Area 331930867860900
Diagonal 25765514.466469

Cube

Length = n
Surface area 1991585207165400
Volume 6.0474385236317E+21
Space diagonal 31556181.701573

Equilateral Triangle

Length = n
Perimeter 54656910
Area 1.4373028193388E+14
Altitude 15778090.850787

Triangular Pyramid

Length = n
Surface area 1.4373028193388E+14
Volume 7.1269746481146E+20
Height 8588504.8221562