21291212 (number)

21291212 is an even 8-digits composite number following 21291211 and preceding 21291213. In scientific notation, it is written as 2.1291212 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10465056 positive integers (up to 21291212) that are relatively prime to 21291212.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred twelve

Notation

Scientific notation 2.1291212 × 10^7
Engineering notation 2.1291212 × 10^6

Prime Factorization of 21291212

Prime Factorization 2 × 2 × 59 × 90217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10645606
Product of the distinct prime numbers

The prime factorization of 21291212 is 2 × 2 × 59 × 90217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 40, 1, 808, 428, 290, 9326, 80553, 60780, 521339, 430207, 133848, 2515465, 50623246, 72890539, 855906730, 894377484, 8763405598, 5419671473

Basic calculations (n = 21291212)

Multiplication

n×y
n×2 42582424
n×3 63873636
n×4 85164848
n×5 106456060

Division

n÷y
n÷2 10645606
n÷3 7097070.6666667
n÷3 5322803
n÷5 4258242.4

Exponentiation

ny
n2 453315708428944
n3 9.6516408510908E+21
n4 2.0549513150844E+29
n5 4.375240409914E+36

Nth Root

y√n
2√n 4614.2401324595
3√n 277.1618563414
4√n 67.928198360177
5√n 29.217299798044

Divisors of 21291212

1, 2, 4, 59, 118, 236, 90217, 180434, 360868, 5322803, 10645606, 21291212

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291212 can be divided by 12 positive divisors. The sum of these divisors (counting 21291212) is 1, the average is 0.083333333333333.

Base conversion 21291212

Base System Value
2 Binary 1010001001110000011001100
3 Ternary 1111001201001102
4 Quaternary 1101032003030
5 Quinary 20422304322
6 Senary 2040202232
8 Octal 121160314
10 Decimal 21291212
12 Duodecimal 7169378
16 Hexadecimal 144e0cc
20 Vigesimal 6d180c
36 Base36 cocek

Cryptographic Hash Functions

md5 a12c6e6f48fe030d5354df29bb5f442f
sha1 89cd5ccfcaedb5f45a7563e76143a4c0fdec8427
sha256 c0493947376d2bd45b3bb86609e4c670c174e6e282e8f199351ec826219d1ab4
sha512 047bf3abff60a7338179005987466c0fcfed5dbcf30a74960884a7cb1a6852609fc912a5eaa4a54abecbdcb9b4cef8645e3f7bb7d50faec4aaebccedf1b86698
ripemd-160 ff429cfc5cbe1dcf095741b28949f90625d00c26

21291212 as geometric shapes

Circle

Radius = n
Diameter 42582424
Circumference 133776630.41045
Area 1.4241332993572E+15

Sphere

Radius = n
Volume 4.0428698657165E+22
Surface area 5.6965331974289E+15
Circumference 133776630.41045

Square

Length = n
Perimeter 85164848
Area 453315708428944
Diagonal 30110320.769761

Cube

Length = n
Surface area 2719894250573664
Volume 9.6516408510908E+21
Space diagonal 36877460.93872

Equilateral Triangle

Length = n
Perimeter 63873636
Area 1.96291459717E+14
Altitude 18438730.46936

Triangular Pyramid

Length = n
Surface area 1.96291459717E+14
Volume 1.1374567825639E+21
Height 10036773.58992