18406972 (number)

18406972 is an even 8-digits composite number following 18406971 and preceding 18406973. In scientific notation, it is written as 1.8406972 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8719056 positive integers (up to 18406972) that are relatively prime to 18406972.

Interesting facts

Basic properties

Name

Name eighteen million four hundred six thousand nine hundred seventy-two

Notation

Scientific notation 1.8406972 × 10^7
Engineering notation 1.8406972 × 10^6

Prime Factorization of 18406972

Prime Factorization 2 × 2 × 19 × 242197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9203486
Product of the distinct prime numbers

The prime factorization of 18406972 is 2 × 2 × 19 × 242197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 34, 51, 543, 659, 9351, 4486, 57705, 78213, 214279, 5798, 9448505, 9691242, 37473866, 87421304, 742830086, 874584214, 4605280073, 1015157250

Basic calculations (n = 18406972)

Multiplication

n×y
n×2 36813944
n×3 55220916
n×4 73627888
n×5 92034860

Division

n÷y
n÷2 9203486
n÷3 6135657.3333333
n÷3 4601743
n÷5 3681394.4

Exponentiation

ny
n2 338816618208784
n3 6.2365880045038E+21
n4 1.1479670077444E+29
n5 2.1130596568474E+36

Nth Root

y√n
2√n 4290.3347188768
3√n 264.03456465098
4√n 65.500646705791
5√n 28.378959637749

Divisors of 18406972

1, 2, 4, 19, 38, 76, 242197, 484394, 968788, 4601743, 9203486, 18406972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18406971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18406972 can be divided by 12 positive divisors. The sum of these divisors (counting 18406972) is 1, the average is 0.083333333333333.

Base conversion 18406972

Base System Value
2 Binary 1000110001101111000111100
3 Ternary 1021122011121201
4 Quaternary 1012031320330
5 Quinary 14203010342
6 Senary 1454305244
8 Octal 106157074
10 Decimal 18406972
12 Duodecimal 61b8224
16 Hexadecimal 118de3c
20 Vigesimal 5f0h8c
36 Base36 ayiws

Cryptographic Hash Functions

md5 03620ec6a5457759ea0b800a2b656894
sha1 fe8b4a428752586da8e0bc095cde1f1f6db6055b
sha256 19738611bdca26f7ce3f7a4649fcb222ffb91c36afad317d8f428e0b4a7e074e
sha512 276a61364be9c741fc063af903b099bb6200985b65c56d7f4cfd021eaaad0b8589486edc51bc6eedd57fd6b1ec9e61b9155dac3c83c7c70b0d48bfe6e2324925
ripemd-160 f427cbdeee4dff5af3d879eb8bf4b5629544600e

18406972 as geometric shapes

Circle

Radius = n
Diameter 36813944
Circumference 115654416.02007
Area 1.0644237986789E+15

Sphere

Radius = n
Volume 2.6123758744554E+22
Surface area 4.2576951947154E+15
Circumference 115654416.02007

Square

Length = n
Perimeter 73627888
Area 338816618208784
Diagonal 26031389.444622

Cube

Length = n
Surface area 2032899709252704
Volume 6.2365880045038E+21
Space diagonal 31881810.717498

Equilateral Triangle

Length = n
Perimeter 55220916
Area 1.4671189929657E+14
Altitude 15940905.358749

Triangular Pyramid

Length = n
Surface area 1.4671189929657E+14
Volume 7.3498894490855E+20
Height 8677129.8148739