21492639 (number)

21492639 is an odd 8-digits composite number following 21492638 and preceding 21492640. In scientific notation, it is written as 2.1492639 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12235968 positive integers (up to 21492639) that are relatively prime to 21492639.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred thirty-nine

Notation

Scientific notation 2.1492639 × 10^7
Engineering notation 2.1492639 × 10^6

Prime Factorization of 21492639

Prime Factorization 9 × 7 × 877 × 389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492639
Product of the distinct prime numbers

The prime factorization of 21492639 is 9 × 7 × 877 × 389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 64, 90, 454, 269, 102, 3611, 18605, 99283, 115745, 215297, 1469429, 1053268, 15194602, 54435802, 183346301, 161624596, 8164477487, 9225192778

Basic calculations (n = 21492639)

Multiplication

n×y
n×2 42985278
n×3 64477917
n×4 85970556
n×5 107463195

Division

n÷y
n÷2 10746319.5
n÷3 7164213
n÷3 5373159.75
n÷5 4298527.8

Exponentiation

ny
n2 461933531184321
n3 9.9281706277399E+21
n4 2.1338258723242E+29
n5 4.5861549162723E+36

Nth Root

y√n
2√n 4636.0154227526
3√n 278.03315081784
4√n 68.088291377832
5√n 29.272374237873

Divisors of 21492639

1, 7, 9, 63, 389, 877, 2723, 3501, 6139, 7893, 24507, 55251, 341153, 2388071, 3070377, 21492639

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 -21492638
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 21492639 can be divided by 16 positive divisors. The sum of these divisors (counting 21492639) is 1, the average is 0.0625.

Base conversion 21492639

Base System Value
2 Binary 1010001111111001110011111
3 Ternary 1111102221100200
4 Quaternary 1101333032133
5 Quinary 21000231024
6 Senary 2044354543
8 Octal 121771637
10 Decimal 21492639
12 Duodecimal 7245a53
16 Hexadecimal 147f39f
20 Vigesimal 6e6bbj
36 Base36 csntr

Cryptographic Hash Functions

md5 de3b62da30a1b9d650164c22801988bb
sha1 9549c592028ea8801335bda93174096c62b3a3fe
sha256 de4ef344a7179dbbf9fbd5a17cdc2656fdf8df7594ca48c773ea4aba9ee96191
sha512 87637a750cc79c6bd9c3ece33c211c82fc6fdb1fce8aa124e7ed4b285ee07cfafa7b0163f7eacbdd3773c50debcd8b807ff0613e1086053a03d121c13d9a6f9f
ripemd-160 772cacfafa569a0aea6cb1db7b0bcc41844c8884

21492639 as geometric shapes

Circle

Radius = n
Diameter 42985278
Circumference 135042233.57731
Area 1.4512069880155E+15

Sphere

Radius = n
Volume 4.1587023876925E+22
Surface area 5.8048279520618E+15
Circumference 135042233.57731

Square

Length = n
Perimeter 85970556
Area 461933531184321
Diagonal 30395181.564989

Cube

Length = n
Surface area 2771601187105926
Volume 9.9281706277399E+21
Space diagonal 37226342.736736

Equilateral Triangle

Length = n
Perimeter 64477917
Area 2.0002308643274E+14
Altitude 18613171.368368

Triangular Pyramid

Length = n
Surface area 2.0002308643274E+14
Volume 1.1700461292753E+21
Height 10131727.18833