21749957 (number)

21749957 is an odd 8-digits composite number following 21749956 and preceding 21749958. In scientific notation, it is written as 2.1749957 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 21733536 positive integers (up to 21749957) that are relatively prime to 21749957.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-nine thousand nine hundred fifty-seven

Notation

Scientific notation 2.1749957 × 10^7
Engineering notation 2.1749957 × 10^6

Prime Factorization of 21749957

Prime Factorization 1453 × 14969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21749957
Product of the distinct prime numbers

The prime factorization of 21749957 is 1453 × 14969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21749957)

Multiplication

n×y
n×2 43499914
n×3 65249871
n×4 86999828
n×5 108749785

Division

n÷y
n÷2 10874978.5
n÷3 7249985.6666667
n÷3 5437489.25
n÷5 4349991.4

Exponentiation

ny
n2 473060629501849
n3 1.0289048350058E+22
n4 2.2378635918469E+29
n5 4.8673436894535E+36

Nth Root

y√n
2√n 4663.6849164582
3√n 279.13832462945
4√n 68.291177442318
5√n 29.342132948306

Divisors of 21749957

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 -21749956
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 21749957 can be divided by 4 positive divisors. The sum of these divisors (counting 21749957) is 1, the average is 0.25.

Base conversion 21749957

Base System Value
2 Binary 1010010111110000011000101
3 Ternary 1111221000022222
4 Quaternary 1102332003011
5 Quinary 21031444312
6 Senary 2054102125
8 Octal 122760305
10 Decimal 21749957
12 Duodecimal 734a945
16 Hexadecimal 14be0c5
20 Vigesimal 6fiehh
36 Base36 cy6dh

Cryptographic Hash Functions

md5 8160939d6b09f91885a177707d948bf6
sha1 d94364177969177277140918502028faf916e4fb
sha256 bbfc25e3bccc8ffeda149df820798d0e2e75516e0f59c9801c7fe7000313c3c9
sha512 feafc5c56b229ddf6d3e1f4fdd1c640ac03d1a8cc5e48d5156af1dc4d8645746df58a4f728b0b4ecbedb84b9c71a4e8695afe88ddcf7ec04eaadfbff45d54d47
ripemd-160 e4a5a7d4403a02f7422a8991986bf5cbf3ecb0e0

21749957 as geometric shapes

Circle

Radius = n
Diameter 43499914
Circumference 136659010.25419
Area 1.4861637983456E+15

Sphere

Radius = n
Volume 4.3098664945297E+22
Surface area 5.9446551933823E+15
Circumference 136659010.25419

Square

Length = n
Perimeter 86999828
Area 473060629501849
Diagonal 30759084.170432

Cube

Length = n
Surface area 2838363777011094
Volume 1.0289048350058E+22
Space diagonal 37672030.586438

Equilateral Triangle

Length = n
Perimeter 65249871
Area 2.0484126133943E+14
Altitude 18836015.293219

Triangular Pyramid

Length = n
Surface area 2.0484126133943E+14
Volume 1.2125759767137E+21
Height 10253028.056811