21949649 (number)

21949649 is an odd 8-digits composite number following 21949648 and preceding 21949650. In scientific notation, it is written as 2.1949649 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 21939264 positive integers (up to 21949649) that are relatively prime to 21949649.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-nine thousand six hundred forty-nine

Notation

Scientific notation 2.1949649 × 10^7
Engineering notation 2.1949649 × 10^6

Prime Factorization of 21949649

Prime Factorization 7433 × 2953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21949649
Product of the distinct prime numbers

The prime factorization of 21949649 is 7433 × 2953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21949649)

Multiplication

n×y
n×2 43899298
n×3 65848947
n×4 87798596
n×5 109748245

Division

n÷y
n÷2 10974824.5
n÷3 7316549.6666667
n÷3 5487412.25
n÷5 4389929.8

Exponentiation

ny
n2 481787091223201
n3 1.057505754508E+22
n4 2.3211880126931E+29
n5 5.0949262141622E+36

Nth Root

y√n
2√n 4685.0452505819
3√n 279.99000389484
4√n 68.447390385477
5√n 29.395815706095

Divisors of 21949649

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 -21949648
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 21949649 can be divided by 4 positive divisors. The sum of these divisors (counting 21949649) is 1, the average is 0.25.

Base conversion 21949649

Base System Value
2 Binary 1010011101110110011010001
3 Ternary 1112022011020222
4 Quaternary 1103232303101
5 Quinary 21104342044
6 Senary 2102242425
8 Octal 123566321
10 Decimal 21949649
12 Duodecimal 7426415
16 Hexadecimal 14eecd1
20 Vigesimal 6h3e29
36 Base36 d2ggh

Cryptographic Hash Functions

md5 b2f8b14488b636861326d5036ab36ed6
sha1 ae77bea1adc70fe13a688197c77006aae5d824a4
sha256 cb4cc4f28b09d4bf7e6f04bc29160c24a3c3577ee0f81649626cbc2529c4247e
sha512 833b100ae504e0129316d54088de8df51628030cce3e266e9bf3921764336236de33bf5d3067d4722a707bb880b170d84ebe0c8592107d6ca3fc330045a0e47b
ripemd-160 8e5b91ecb3541775b95fc6f4382c2dd44a7bf278

21949649 as geometric shapes

Circle

Radius = n
Diameter 43899298
Circumference 137913712.09455
Area 1.5135787863812E+15

Sphere

Radius = n
Volume 4.4296697459885E+22
Surface area 6.0543151455248E+15
Circumference 137913712.09455

Square

Length = n
Perimeter 87798596
Area 481787091223201
Diagonal 31041491.305129

Cube

Length = n
Surface area 2890722547339206
Volume 1.057505754508E+22
Space diagonal 38017907.276303

Equilateral Triangle

Length = n
Perimeter 65848947
Area 2.0861993010735E+14
Altitude 19008953.638152

Triangular Pyramid

Length = n
Surface area 2.0861993010735E+14
Volume 1.246282483594E+21
Height 10347163.768376