21972018 (number)

21972018 is an even 8-digits composite number following 21972017 and preceding 21972019. In scientific notation, it is written as 2.1972018 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6938496 positive integers (up to 21972018) that are relatively prime to 21972018.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-two thousand eighteen

Notation

Scientific notation 2.1972018 × 10^7
Engineering notation 2.1972018 × 10^6

Prime Factorization of 21972018

Prime Factorization 2 × 3 × 19 × 192737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21972018
Product of the distinct prime numbers

The prime factorization of 21972018 is 2 × 3 × 19 × 192737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 13, 11, 169, 44, 2421, 9961, 91746, 48798, 470612, 583836, 6140221, 2794448, 96532185, 67967603, 303494685, 968938071, 7288628328, 7324021648

Basic calculations (n = 21972018)

Multiplication

n×y
n×2 43944036
n×3 65916054
n×4 87888072
n×5 109860090

Division

n÷y
n÷2 10986009
n÷3 7324006
n÷3 5493004.5
n÷5 4394403.6

Exponentiation

ny
n2 482769574992324
n3 1.0607421791584E+22
n4 2.3306646253827E+29
n5 5.1209405100872E+36

Nth Root

y√n
2√n 4687.4319195056
3√n 280.08508468658
4√n 68.464822496707
5√n 29.401804750551

Divisors of 21972018

1, 2, 3, 6, 19, 38, 57, 114, 192737, 385474, 578211, 1156422, 3662003, 7324006, 10986009, 21972018

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 -21972017
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 21972018 can be divided by 16 positive divisors. The sum of these divisors (counting 21972018) is 1, the average is 0.0625.

Base conversion 21972018

Base System Value
2 Binary 1010011110100010000110010
3 Ternary 1112100021221110
4 Quaternary 1103310100302
5 Quinary 21111101033
6 Senary 2102534150
8 Octal 123642062
10 Decimal 21972018
12 Duodecimal 7437356
16 Hexadecimal 14f4432
20 Vigesimal 6h6a0i
36 Base36 d2xpu

Cryptographic Hash Functions

md5 90e492b67f424aa357d97ab935abfd74
sha1 64b54b58548670731a521afdb065b276d9d6b8c0
sha256 b4021ae95186848d0ab5fb7fab34929877257207737044fc2d397f377255b484
sha512 cd342c7686ad80ade053b5d5f1106248f1bae5fa1060c54c0f753e5b7f98bd1ea230e27c45fc17661cbb01ad774d0b16e11ffce0f224054fb631d1eb4a49f2dd
ripemd-160 1b0781026f84c9f7f8ab60bd35b70b2439a98a0c

21972018 as geometric shapes

Circle

Radius = n
Diameter 43944036
Circumference 138054260.66669
Area 1.5166653501726E+15

Sphere

Radius = n
Volume 4.4432264498623E+22
Surface area 6.0666614006902E+15
Circumference 138054260.66669

Square

Length = n
Perimeter 87888072
Area 482769574992324
Diagonal 31073125.848306

Cube

Length = n
Surface area 2896617449953944
Volume 1.0607421791584E+22
Space diagonal 38056651.520818

Equilateral Triangle

Length = n
Perimeter 65916054
Area 2.0904535805878E+14
Altitude 19028325.760409

Triangular Pyramid

Length = n
Surface area 2.0904535805878E+14
Volume 1.2500966466225E+21
Height 10357708.616102