21972015 (number)

21972015 is an odd 8-digits composite number following 21972014 and preceding 21972016. In scientific notation, it is written as 2.1972015 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 10200960 positive integers (up to 21972015) that are relatively prime to 21972015.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1972015 × 10^7
Engineering notation 2.1972015 × 10^6

Prime Factorization of 21972015

Prime Factorization 207 × 13 × 5 × 23 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21972015
Product of the distinct prime numbers

The prime factorization of 21972015 is 207 × 13 × 5 × 23 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 22, 48, 224, 111, 3241, 4700, 31481, 50233, 248205, 453694, 6604196, 2352616, 69660786, 76088290, 626264007, 579871536, 6515027941, 5207684038

Basic calculations (n = 21972015)

Multiplication

n×y
n×2 43944030
n×3 65916045
n×4 87888060
n×5 109860075

Division

n÷y
n÷2 10986007.5
n÷3 7324005
n÷3 5493003.75
n÷5 4394403

Exponentiation

ny
n2 482769443160225
n3 1.0607417446658E+22
n4 2.3306633524923E+29
n5 5.1209370140912E+36

Nth Root

y√n
2√n 4687.4315995009
3√n 280.08507193923
4√n 68.464820159706
5√n 29.401803947662

Divisors of 21972015

1, 5, 13, 23, 65, 71, 115, 207, 299, 355, 923, 1035, 1495, 1633, 2691, 4615, 4761, 8165, 13455, 14697, 21229, 23805, 61893, 73485, 106145, 191061, 309465, 338031, 955305, 1690155, 4394403, 21972015

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 -21972014
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 21972015 can be divided by 32 positive divisors. The sum of these divisors (counting 21972015) is 1, the average is 0.03125.

Base conversion 21972015

Base System Value
2 Binary 1010011110100010000101111
3 Ternary 1112100021221100
4 Quaternary 1103310100233
5 Quinary 21111101030
6 Senary 2102534143
8 Octal 123642057
10 Decimal 21972015
12 Duodecimal 7437353
16 Hexadecimal 14f442f
20 Vigesimal 6h6a0f
36 Base36 d2xpr

Cryptographic Hash Functions

md5 25577fc3e9c57cbe97a29d04f7497b40
sha1 82603b3826a788bb37eab23ea2d0370a3047903a
sha256 1e3e5ae2a92adc7d2f98476f16b7b381f38f091578423f28b98e9b3bfed0ad35
sha512 097ee160d131e1a4d6f4a0df3fe559e0522cbf3353386613f10cb4f7bff16b8c1998574d496c6deac733dc722a2701a18d0f290132d9bac85faaa3846ceae546
ripemd-160 35da7214420c8ec699a808c5b2bcb2dc2c7fff4e

21972015 as geometric shapes

Circle

Radius = n
Diameter 43944030
Circumference 138054241.81713
Area 1.5166649360098E+15

Sphere

Radius = n
Volume 4.4432246298642E+22
Surface area 6.0666597440392E+15
Circumference 138054241.81713

Square

Length = n
Perimeter 87888060
Area 482769443160225
Diagonal 31073121.605665

Cube

Length = n
Surface area 2896616658961350
Volume 1.0607417446658E+22
Space diagonal 38056646.324665

Equilateral Triangle

Length = n
Perimeter 65916045
Area 2.0904530097381E+14
Altitude 19028323.162333

Triangular Pyramid

Length = n
Surface area 2.0904530097381E+14
Volume 1.2500961345681E+21
Height 10357707.201888