21492415 (number)

21492415 is an odd 8-digits composite number following 21492414 and preceding 21492416. In scientific notation, it is written as 2.1492415 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14699520 positive integers (up to 21492415) that are relatively prime to 21492415.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand four hundred fifteen

Notation

Scientific notation 2.1492415 × 10^7
Engineering notation 2.1492415 × 10^6

Prime Factorization of 21492415

Prime Factorization 5 × 7 × 929 × 661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492415
Product of the distinct prime numbers

The prime factorization of 21492415 is 5 × 7 × 929 × 661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492415)

Multiplication

n×y
n×2 42984830
n×3 64477245
n×4 85969660
n×5 107462075

Division

n÷y
n÷2 10746207.5
n÷3 7164138.3333333
n÷3 5373103.75
n÷5 4298483

Exponentiation

ny
n2 461923902532225
n3 9.9278602116421E+21
n4 2.133736917306E+29
n5 4.5859159327561E+36

Nth Root

y√n
2√n 4635.9912640125
3√n 278.03218491129
4√n 68.088113970153
5√n 29.27231322127

Divisors of 21492415

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 -21492414
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 21492415 can be divided by 16 positive divisors. The sum of these divisors (counting 21492415) is 1, the average is 0.0625.

Base conversion 21492415

Base System Value
2 Binary 1010001111111001010111111
3 Ternary 1111102221001101
4 Quaternary 1101333022333
5 Quinary 21000224130
6 Senary 2044353531
8 Octal 121771277
10 Decimal 21492415
12 Duodecimal 72458a7
16 Hexadecimal 147f2bf
20 Vigesimal 6e6b0f
36 Base36 csnnj

Cryptographic Hash Functions

md5 487f064783dfaf0cd2bb2cf0a7b8a74d
sha1 9c2ea8c8a1db0da238de268b24923301fc291108
sha256 947a38f79b01d39b5bc727f80207c282f9321ce3acc8c2013d35563930a5c7a4
sha512 46b6169d3506b590529bc5c768c0214f95c6f348518e2ea1b9a2a5618cc0162846de25968e6bbc461d75a319f71ae9b2cfcbcc2017be10a24011b886587ae0b1
ripemd-160 fe62b4d218ee6ee4ec3a1f530a25e22e538fd229

21492415 as geometric shapes

Circle

Radius = n
Diameter 42984830
Circumference 135040826.14381
Area 1.4511767387128E+15

Sphere

Radius = n
Volume 4.1585723609015E+22
Surface area 5.8047069548511E+15
Circumference 135040826.14381

Square

Length = n
Perimeter 85969660
Area 461923902532225
Diagonal 30394864.781151

Cube

Length = n
Surface area 2771543415193350
Volume 9.9278602116421E+21
Space diagonal 37225954.757355

Equilateral Triangle

Length = n
Perimeter 64477245
Area 2.0001891710408E+14
Altitude 18612977.378678

Triangular Pyramid

Length = n
Surface area 2.0001891710408E+14
Volume 1.1700095463874E+21
Height 10131621.593717