21490972 (number)

21490972 is an even 8-digits composite number following 21490971 and preceding 21490973. In scientific notation, it is written as 2.1490972 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10374896 positive integers (up to 21490972) that are relatively prime to 21490972.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred seventy-two

Notation

Scientific notation 2.1490972 × 10^7
Engineering notation 2.1490972 × 10^6

Prime Factorization of 21490972

Prime Factorization 2 × 2 × 29 × 185267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745486
Product of the distinct prime numbers

The prime factorization of 21490972 is 2 × 2 × 29 × 185267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 92, 26, 790, 163, 165, 5878, 11510, 13133, 293692, 391748, 1880973, 357342, 97490335, 45821183, 768054958, 96084428, 2243352317, 2819439966

Basic calculations (n = 21490972)

Multiplication

n×y
n×2 42981944
n×3 64472916
n×4 85963888
n×5 107454860

Division

n÷y
n÷2 10745486
n÷3 7163657.3333333
n÷3 5372743
n÷5 4298194.4

Exponentiation

ny
n2 461861877504784
n3 9.9258606773227E+21
n4 2.1331639389224E+29
n5 4.5843766482792E+36

Nth Root

y√n
2√n 4635.8356312535
3√n 278.02596241493
4√n 68.086971082973
5√n 29.271920142293

Divisors of 21490972

1, 2, 4, 29, 58, 116, 185267, 370534, 741068, 5372743, 10745486, 21490972

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 -21490971
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 21490972 can be divided by 12 positive divisors. The sum of these divisors (counting 21490972) is 1, the average is 0.083333333333333.

Base conversion 21490972

Base System Value
2 Binary 1010001111110110100011100
3 Ternary 1111102212001221
4 Quaternary 1101332310130
5 Quinary 21000202342
6 Senary 2044343124
8 Octal 121766434
10 Decimal 21490972
12 Duodecimal 7244aa4
16 Hexadecimal 147ed1c
20 Vigesimal 6e678c
36 Base36 csmjg

Cryptographic Hash Functions

md5 c89d5cab12bf4a886677c443a120068b
sha1 13afe9bfb4569448c65752518ead595360ec0d32
sha256 d3836a823e27a6a38980d3daf0acff1da10387c60d0e4f05c50ff9b9f5183913
sha512 114ba6db1eb5433aca9ea7804d1784a98ed720e477f66b1b4c5922ec02ebea2252a8c361eddd49cf70a5199c3ff61c3f58365bec6a0f093b7811b7c529a122f5
ripemd-160 b1ac825d3d95bebe0b2dcec7dfe6db5dcd6af08b

21490972 as geometric shapes

Circle

Radius = n
Diameter 42981944
Circumference 135031759.50741
Area 1.4509818813422E+15

Sphere

Radius = n
Volume 4.1577347979244E+22
Surface area 5.8039275253689E+15
Circumference 135031759.50741

Square

Length = n
Perimeter 85963888
Area 461861877504784
Diagonal 30392824.07098

Cube

Length = n
Surface area 2771171265028704
Volume 9.9258606773227E+21
Space diagonal 37223455.40804

Equilateral Triangle

Length = n
Perimeter 64472916
Area 1.9999205947936E+14
Altitude 18611727.70402

Triangular Pyramid

Length = n
Surface area 1.9999205947936E+14
Volume 1.169773899008E+21
Height 10130941.356993