21420797 (number)

21420797 is an odd 8-digits composite number following 21420796 and preceding 21420798. In scientific notation, it is written as 2.1420797 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 20488952 positive integers (up to 21420797) that are relatively prime to 21420797.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1420797 × 10^7
Engineering notation 2.1420797 × 10^6

Prime Factorization of 21420797

Prime Factorization 23 × 23 × 40493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 931339
Product of the distinct prime numbers

The prime factorization of 21420797 is 23 × 23 × 40493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21420797)

Multiplication

n×y
n×2 42841594
n×3 64262391
n×4 85683188
n×5 107103985

Division

n÷y
n÷2 10710398.5
n÷3 7140265.6666667
n÷3 5355199.25
n÷5 4284159.4

Exponentiation

ny
n2 458850544115209
n3 9.8289443588314E+21
n4 2.1054382183482E+29
n5 4.5100164671279E+36

Nth Root

y√n
2√n 4628.2606884228
3√n 277.72301743059
4√n 68.031321377898
5√n 29.25277866037

Divisors of 21420797

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21420796
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21420797 can be divided by 6 positive divisors. The sum of these divisors (counting 21420797) is 1, the average is 0.16666666666667.

Base conversion 21420797

Base System Value
2 Binary 1010001101101101011111101
3 Ternary 1111022021210212
4 Quaternary 1101231223331
5 Quinary 20440431142
6 Senary 2043042205
8 Octal 121555375
10 Decimal 21420797
12 Duodecimal 7210365
16 Hexadecimal 146dafd
20 Vigesimal 6dhbjh
36 Base36 cr4e5

Cryptographic Hash Functions

md5 afcc66f74968a84f1081efd4f44115da
sha1 4c2a2e9ddc2e57afab22457e25ce3e3275712e73
sha256 6fc1ff9db8543eef37b1c8e95d629d9b1f32be0dd180896fd12d4ccf30dee60f
sha512 c7dc0b3525e96c6aadf3b803e91a125812931d8e6c5c2a35c7141ff9474208f336759a013edbe0727d75aeef2431d0a65ff67edc934ded7d3fb780453b2b6a28
ripemd-160 d361acbdb50222fb5caafddb9ce0e789700501f4

21420797 as geometric shapes

Circle

Radius = n
Diameter 42841594
Circumference 134590836.97848
Area 1.441521498488E+15

Sphere

Radius = n
Volume 4.1171385853664E+22
Surface area 5.7660859939521E+15
Circumference 134590836.97848

Square

Length = n
Perimeter 85683188
Area 458850544115209
Diagonal 30293581.634241

Cube

Length = n
Surface area 2753103264691254
Volume 9.8289443588314E+21
Space diagonal 37101908.742619

Equilateral Triangle

Length = n
Perimeter 64262391
Area 1.9868811387204E+14
Altitude 18550954.371309

Triangular Pyramid

Length = n
Surface area 1.9868811387204E+14
Volume 1.1583522013392E+21
Height 10097860.544747