21430897 (number)

21430897 is an odd 8-digits composite number following 21430896 and preceding 21430898. In scientific notation, it is written as 2.1430897 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20170240 positive integers (up to 21430897) that are relatively prime to 21430897.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty thousand eight hundred ninety-seven

Notation

Scientific notation 2.1430897 × 10^7
Engineering notation 2.1430897 × 10^6

Prime Factorization of 21430897

Prime Factorization 17 × 1260641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21430897
Product of the distinct prime numbers

The prime factorization of 21430897 is 17 × 1260641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21430897)

Multiplication

n×y
n×2 42861794
n×3 64292691
n×4 85723588
n×5 107154485

Division

n÷y
n÷2 10715448.5
n÷3 7143632.3333333
n÷3 5357724.25
n÷5 4286179.4

Exponentiation

ny
n2 459283346224609
n3 9.8428540867549E+21
n4 2.1094119211927E+29
n5 4.5206589613654E+36

Nth Root

y√n
2√n 4629.3516824713
3√n 277.7666597802
4√n 68.03933922718
5√n 29.255536703007

Divisors of 21430897

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21430896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21430897 can be divided by 4 positive divisors. The sum of these divisors (counting 21430897) is 1, the average is 0.25.

Base conversion 21430897

Base System Value
2 Binary 1010001110000001001110001
3 Ternary 1111022210122221
4 Quaternary 1101300021301
5 Quinary 20441242042
6 Senary 2043201041
8 Octal 121601161
10 Decimal 21430897
12 Duodecimal 7216181
16 Hexadecimal 1470271
20 Vigesimal 6dih4h
36 Base36 crc6p

Cryptographic Hash Functions

md5 821f54170be2aae80af1c450426ad170
sha1 3f8fe867b90e099f97100bd6fdf6086ab2b8b3b9
sha256 be90dbe86ddad03508889f88fb2083188e3d5fa3f788f1dbd081e4f46fb5f85e
sha512 a121765a815aee57a8ec655efeaa230038ad83acb0429a9d873511c88361e524fb6bdf90822b6c7dbcecf32986d98635523531f9340e4f92193078cddb2c564a
ripemd-160 6b8b5e82c63e6efd6c1bab8dfe358c5889c73866

21430897 as geometric shapes

Circle

Radius = n
Diameter 42861794
Circumference 134654297.15008
Area 1.4428811864154E+15

Sphere

Radius = n
Volume 4.1229650785741E+22
Surface area 5.7715247456615E+15
Circumference 134654297.15008

Square

Length = n
Perimeter 85723588
Area 459283346224609
Diagonal 30307865.191221

Cube

Length = n
Surface area 2755700077347654
Volume 9.8428540867549E+21
Space diagonal 37119402.455775

Equilateral Triangle

Length = n
Perimeter 64292691
Area 1.9887552268282E+14
Altitude 18559701.227888

Triangular Pyramid

Length = n
Surface area 1.9887552268282E+14
Volume 1.1599914784957E+21
Height 10102621.730407