21247557 (number)

21247557 is an odd 8-digits composite number following 21247556 and preceding 21247558. In scientific notation, it is written as 2.1247557 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14165036 positive integers (up to 21247557) that are relatively prime to 21247557.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-seven thousand five hundred fifty-seven

Notation

Scientific notation 2.1247557 × 10^7
Engineering notation 2.1247557 × 10^6

Prime Factorization of 21247557

Prime Factorization 3 × 7082519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21247557
Product of the distinct prime numbers

The prime factorization of 21247557 is 3 × 7082519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21247557)

Multiplication

n×y
n×2 42495114
n×3 63742671
n×4 84990228
n×5 106237785

Division

n÷y
n÷2 10623778.5
n÷3 7082519
n÷3 5311889.25
n÷5 4249511.4

Exponentiation

ny
n2 451458678468249
n3 9.5923940038988E+21
n4 2.038149383643E+29
n5 4.3305695203469E+36

Nth Root

y√n
2√n 4609.5072404759
3√n 276.97229801123
4√n 67.893351960821
5√n 29.205308666697

Divisors of 21247557

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 -21247556
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 21247557 can be divided by 4 positive divisors. The sum of these divisors (counting 21247557) is 1, the average is 0.25.

Base conversion 21247557

Base System Value
2 Binary 1010001000011011001000101
3 Ternary 1110222111011120
4 Quaternary 1101003121011
5 Quinary 20414410212
6 Senary 2035224153
8 Octal 121033105
10 Decimal 21247557
12 Duodecimal 7148059
16 Hexadecimal 1443645
20 Vigesimal 6cfihh
36 Base36 cnepx

Cryptographic Hash Functions

md5 9e525c7255383c08ad6f844e8e328a20
sha1 28de99c72f86472e3f962d92280809dba5598a61
sha256 adf78c295eefcdba384c59591ba67232398445d04bd9c58e505be34a6be113f8
sha512 d162e6c997ad17efc674a7921a6db43d6560f1c9601ff13efa29d0fc76f64604c606a25a7c34554514fb8cdf32f7bb5a6130803a6d230c20a8c2e30df349ae75
ripemd-160 7dec1a738b9913c88cd3f9673a1b9191d2ba8e0e

21247557 as geometric shapes

Circle

Radius = n
Diameter 42495114
Circumference 133502337.95586
Area 1.4182992676752E+15

Sphere

Radius = n
Volume 4.0180526043983E+22
Surface area 5.6731970707008E+15
Circumference 133502337.95586

Square

Length = n
Perimeter 84990228
Area 451458678468249
Diagonal 30048583.276695

Cube

Length = n
Surface area 2708752070809494
Volume 9.5923940038988E+21
Space diagonal 36801848.260716

Equilateral Triangle

Length = n
Perimeter 63742671
Area 1.9548734215623E+14
Altitude 18400924.130358

Triangular Pyramid

Length = n
Surface area 1.9548734215623E+14
Volume 1.1304744746617E+21
Height 10016194.425565