21495969 (number)

21495969 is an odd 8-digits composite number following 21495968 and preceding 21495970. In scientific notation, it is written as 2.1495969 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12916800 positive integers (up to 21495969) that are relatively prime to 21495969.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred sixty-nine

Notation

Scientific notation 2.1495969 × 10^7
Engineering notation 2.1495969 × 10^6

Prime Factorization of 21495969

Prime Factorization 9 × 33 × 157 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21495969
Product of the distinct prime numbers

The prime factorization of 21495969 is 9 × 33 × 157 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 95, 77, 412, 738, 74, 4963, 36573, 41988, 364291, 132948, 28873, 5147550, 7819947, 72630354, 61177334, 494890598, 5527616126, 5046753104

Basic calculations (n = 21495969)

Multiplication

n×y
n×2 42991938
n×3 64487907
n×4 85983876
n×5 107479845

Division

n÷y
n÷2 10747984.5
n÷3 7165323
n÷3 5373992.25
n÷5 4299193.8

Exponentiation

ny
n2 462076683248961
n3 9.9327860587425E+21
n4 2.1351486120236E+29
n5 4.5897088374452E+36

Nth Root

y√n
2√n 4636.3745534631
3√n 278.04750926214
4√n 68.090928569546
5√n 29.273281255068

Divisors of 21495969

1, 9, 33, 157, 297, 461, 1413, 4149, 5181, 15213, 46629, 72377, 136917, 651393, 2388441, 21495969

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 -21495968
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 21495969 can be divided by 16 positive divisors. The sum of these divisors (counting 21495969) is 1, the average is 0.0625.

Base conversion 21495969

Base System Value
2 Binary 1010010000000000010100001
3 Ternary 1111110002221000
4 Quaternary 1102000002201
5 Quinary 21000332334
6 Senary 2044422213
8 Octal 122000241
10 Decimal 21495969
12 Duodecimal 7247969
16 Hexadecimal 14800a1
20 Vigesimal 6e6ji9
36 Base36 csqe9

Cryptographic Hash Functions

md5 e6c9518fd7c1a25f3317386352f522fc
sha1 316587e4c06f8aa3ca2db0a24228b526652376e9
sha256 583fa41e338d999dab137ae0e6d174332a1841a7dddb6e123a66ce271b92a456
sha512 8b3572b00121cd1c4993dbab04c612e580b3f5a5030c9c64a716d5f004000440d2ea21d71cb6fc368013c02922a8c2a074af343c9cfbed14db85502fee0c1d68
ripemd-160 07c9722fd65a7039ccf84f1e2c1fa16381fd8388

21495969 as geometric shapes

Circle

Radius = n
Diameter 42991938
Circumference 135063156.58439
Area 1.4516567134901E+15

Sphere

Radius = n
Volume 4.1606356949099E+22
Surface area 5.8066268539603E+15
Circumference 135063156.58439

Square

Length = n
Perimeter 85983876
Area 462076683248961
Diagonal 30399890.896152

Cube

Length = n
Surface area 2772460099493766
Volume 9.9327860587425E+21
Space diagonal 37232110.465926

Equilateral Triangle

Length = n
Perimeter 64487907
Area 2.0008507309503E+14
Altitude 18616055.232963

Triangular Pyramid

Length = n
Surface area 2.0008507309503E+14
Volume 1.1705900630353E+21
Height 10133296.965384