21492645 (number)

21492645 is an odd 8-digits composite number following 21492644 and preceding 21492646. In scientific notation, it is written as 2.1492645 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11442240 positive integers (up to 21492645) that are relatively prime to 21492645.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred forty-five

Notation

Scientific notation 2.1492645 × 10^7
Engineering notation 2.1492645 × 10^6

Prime Factorization of 21492645

Prime Factorization 3 × 5 × 823 × 1741

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492645
Product of the distinct prime numbers

The prime factorization of 21492645 is 3 × 5 × 823 × 1741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 96, 14, 157, 507, 4462, 9369, 33183, 7706, 188950, 148389, 9965637, 8591603, 56847424, 53012300, 152496513, 831308488, 7984308531, 446795931

Basic calculations (n = 21492645)

Multiplication

n×y
n×2 42985290
n×3 64477935
n×4 85970580
n×5 107463225

Division

n÷y
n÷2 10746322.5
n÷3 7164215
n÷3 5373161.25
n÷5 4298529

Exponentiation

ny
n2 461933789096025
n3 9.9281789425457E+21
n4 2.1338282550861E+29
n5 4.5861613177535E+36

Nth Root

y√n
2√n 4636.01606986
3√n 278.03317669024
4√n 68.088296129805
5√n 29.272375872239

Divisors of 21492645

1, 3, 5, 15, 823, 1741, 2469, 4115, 5223, 8705, 12345, 26115, 1432843, 4298529, 7164215, 21492645

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 -21492644
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 21492645 can be divided by 16 positive divisors. The sum of these divisors (counting 21492645) is 1, the average is 0.0625.

Base conversion 21492645

Base System Value
2 Binary 1010001111111001110100101
3 Ternary 1111102221100220
4 Quaternary 1101333032211
5 Quinary 21000231040
6 Senary 2044354553
8 Octal 121771645
10 Decimal 21492645
12 Duodecimal 7245a59
16 Hexadecimal 147f3a5
20 Vigesimal 6e6bc5
36 Base36 csntx

Cryptographic Hash Functions

md5 87105b5ca729b5ed2a2dbf8027b1cb67
sha1 9ac0c4f272b6ebf25041046a3601579a7dca5a45
sha256 af7d4df825ec967d8dfa59dcbbab704200b5e8753b3125ca6e543f9602e9dada
sha512 8836ea32103a9206c3155427d155127ea8174600ad36dd317693cd71ed261d3a4a672279c4937557c02f3790351b06df2e35df6348ca1a5ad7950819d1c25e5a
ripemd-160 d7687482705238c999be3f529b90c3767ba37489

21492645 as geometric shapes

Circle

Radius = n
Diameter 42985290
Circumference 135042271.27643
Area 1.451207798269E+15

Sphere

Radius = n
Volume 4.1587058705902E+22
Surface area 5.8048311930759E+15
Circumference 135042271.27643

Square

Length = n
Perimeter 85970580
Area 461933789096025
Diagonal 30395190.05027

Cube

Length = n
Surface area 2771602734576150
Volume 9.9281789425457E+21
Space diagonal 37226353.129041

Equilateral Triangle

Length = n
Perimeter 64477935
Area 2.0002319811178E+14
Altitude 18613176.564521

Triangular Pyramid

Length = n
Surface area 2.0002319811178E+14
Volume 1.1700471091846E+21
Height 10131730.016757