21557797 (number)

21557797 is an odd 8-digits composite number following 21557796 and preceding 21557798. In scientific notation, it is written as 2.1557797 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 21348396 positive integers (up to 21557797) that are relatively prime to 21557797.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand seven hundred ninety-seven

Notation

Scientific notation 2.1557797 × 10^7
Engineering notation 2.1557797 × 10^6

Prime Factorization of 21557797

Prime Factorization 103 × 209299

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21557797
Product of the distinct prime numbers

The prime factorization of 21557797 is 103 × 209299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557797)

Multiplication

n×y
n×2 43115594
n×3 64673391
n×4 86231188
n×5 107788985

Division

n÷y
n÷2 10778898.5
n÷3 7185932.3333333
n÷3 5389449.25
n÷5 4311559.4

Exponentiation

ny
n2 464738611493209
n3 1.0018740644632E+22
n4 2.1598197701264E+29
n5 4.6560956160971E+36

Nth Root

y√n
2√n 4643.0374756187
3√n 278.3138330807
4√n 68.139837654772
5√n 29.290101429239

Divisors of 21557797

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 -21557796
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 21557797 can be divided by 4 positive divisors. The sum of these divisors (counting 21557797) is 1, the average is 0.25.

Base conversion 21557797

Base System Value
2 Binary 1010010001111001000100101
3 Ternary 1111120020201221
4 Quaternary 1102033020211
5 Quinary 21004322142
6 Senary 2050020341
8 Octal 122171045
10 Decimal 21557797
12 Duodecimal 72776b1
16 Hexadecimal 148f225
20 Vigesimal 6eee9h
36 Base36 cu23p

Cryptographic Hash Functions

md5 5aaa7c28dd88961884cd223462693b4e
sha1 9ceb79d7b0b4f67ab4bcf3e2ce45ba4be53938a5
sha256 915dec216ab403f68ebfb535feb81ad6c5798b49a6779dd755be186b7b74ee5f
sha512 c3be1d7526271a8eb9ef7dead20dc924fa271b9c85bc943fec9c6e0d4c7c299eccfdae764f64a74c34d265b044c3250514e28231914936f1ad3dc5769d2f033e
ripemd-160 a0b0b2fb77e83043f57b17446cd68c177d37043a

21557797 as geometric shapes

Circle

Radius = n
Diameter 43115594
Circumference 135451633.36556
Area 1.4600194077066E+15

Sphere

Radius = n
Volume 4.1966402676532E+22
Surface area 5.8400776308263E+15
Circumference 135451633.36556

Square

Length = n
Perimeter 86231188
Area 464738611493209
Diagonal 30487328.892286

Cube

Length = n
Surface area 2788431668959254
Volume 1.0018740644632E+22
Space diagonal 37339199.703256

Equilateral Triangle

Length = n
Perimeter 64673391
Area 2.0123772183631E+14
Altitude 18669599.851628

Triangular Pyramid

Length = n
Surface area 2.0123772183631E+14
Volume 1.1807199081281E+21
Height 10162442.964095