21131237 (number)

21131237 is an odd 8-digits composite number following 21131236 and preceding 21131238. In scientific notation, it is written as 2.1131237 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20841696 positive integers (up to 21131237) that are relatively prime to 21131237.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred thirty-seven

Notation

Scientific notation 2.1131237 × 10^7
Engineering notation 2.1131237 × 10^6

Prime Factorization of 21131237

Prime Factorization 73 × 289469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131237
Product of the distinct prime numbers

The prime factorization of 21131237 is 73 × 289469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 61, 73, 357, 133, 6503, 2812, 12688, 9376, 680432, 744751, 2222526, 1037952, 74114286, 28007365, 860189314, 750340152, 8840267535, 941118430

Basic calculations (n = 21131237)

Multiplication

n×y
n×2 42262474
n×3 63393711
n×4 84524948
n×5 105656185

Division

n÷y
n÷2 10565618.5
n÷3 7043745.6666667
n÷3 5282809.25
n÷5 4226247.4

Exponentiation

ny
n2 446529177150169
n3 9.4357138697752E+21
n4 1.9938830604641E+29
n5 4.2133215500952E+36

Nth Root

y√n
2√n 4596.8725237927
3√n 276.46594350482
4√n 67.800239850554
5√n 29.173261451541

Divisors of 21131237

1, 73, 289469, 21131237

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 -21131236
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 21131237 can be divided by 4 positive divisors. The sum of these divisors (counting 21131237) is 1, the average is 0.25.

Base conversion 21131237

Base System Value
2 Binary 1010000100110111111100101
3 Ternary 1110202120121102
4 Quaternary 1100212333211
5 Quinary 20402144422
6 Senary 2032525445
8 Octal 120467745
10 Decimal 21131237
12 Duodecimal 70b0885
16 Hexadecimal 1426fe5
20 Vigesimal 6c181h
36 Base36 ckwyt

Cryptographic Hash Functions

md5 0fef78ce3190d183676b975bcd169999
sha1 fad52338d8d07d939bb23d84c5a9be9f23b00c43
sha256 fdb63191593da968a60e4e2cd5f4bf918b76a253434b365231a773cac95f9723
sha512 6274872fb6af1d4a82ef96b047e0149d098c65ae65b97e0b2079909b0650d24218cc8d8c8be2a8422c5a3aa8112910a5971ca07a19c6953450c8edeb3ce7c4a0
ripemd-160 37a0d62bb7c3a80da97d6cf153ec840751fd9fd6

21131237 as geometric shapes

Circle

Radius = n
Diameter 42262474
Circumference 132771477.84093
Area 1.4028127825485E+15

Sphere

Radius = n
Volume 3.9524225832881E+22
Surface area 5.6112511301939E+15
Circumference 132771477.84093

Square

Length = n
Perimeter 84524948
Area 446529177150169
Diagonal 29884081.95512

Cube

Length = n
Surface area 2679175062901014
Volume 9.4357138697752E+21
Space diagonal 36600376.110779

Equilateral Triangle

Length = n
Perimeter 63393711
Area 1.933528054715E+14
Altitude 18300188.05539

Triangular Pyramid

Length = n
Surface area 1.933528054715E+14
Volume 1.1120095437757E+21
Height 9961360.6517067