21105637 (number)

21105637 is an odd 8-digits composite number following 21105636 and preceding 21105638. In scientific notation, it is written as 2.1105637 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 16582320 positive integers (up to 21105637) that are relatively prime to 21105637.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand six hundred thirty-seven

Notation

Scientific notation 2.1105637 × 10^7
Engineering notation 2.1105637 × 10^6

Prime Factorization of 21105637

Prime Factorization 7 × 19 × 31 × 5119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21105637
Product of the distinct prime numbers

The prime factorization of 21105637 is 7 × 19 × 31 × 5119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105637)

Multiplication

n×y
n×2 42211274
n×3 63316911
n×4 84422548
n×5 105528185

Division

n÷y
n÷2 10552818.5
n÷3 7035212.3333333
n÷3 5276409.25
n÷5 4221127.4

Exponentiation

ny
n2 445447913175769
n3 9.4014619578953E+21
n4 1.9842384335265E+29
n5 4.1878616099458E+36

Nth Root

y√n
2√n 4594.0871781019
3√n 276.35425437897
4√n 67.779695913318
5√n 29.166189478746

Divisors of 21105637

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105636
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105637 can be divided by 16 positive divisors. The sum of these divisors (counting 21105637) is 1, the average is 0.0625.

Base conversion 21105637

Base System Value
2 Binary 1010000100000101111100101
3 Ternary 1110201021111021
4 Quaternary 1100200233211
5 Quinary 20400340022
6 Senary 2032211141
8 Octal 120405745
10 Decimal 21105637
12 Duodecimal 7099ab1
16 Hexadecimal 1420be5
20 Vigesimal 6bi41h
36 Base36 ckd7p

Cryptographic Hash Functions

md5 a766c1afe9feb74c427f4807f73b715b
sha1 5fc97f18c6d20f24f2fa814928998f0be976bfa2
sha256 ef583c13df306da01cb1c642b67f30a2903f8a8fed03323bc1d2e3349a303af9
sha512 825c59e7d7996ab71f70979706fbb4369d793d52e63c4f76a6ce9b5012eec1721a50e0b27a65ff6964eb716f7b3697eddf5b1b771c8d610da67d98bb079e1c27
ripemd-160 5fce6491faf1a55936ba83f31d4e3be4a75fb8d8

21105637 as geometric shapes

Circle

Radius = n
Diameter 42211274
Circumference 132610628.29707
Area 1.3994158915899E+15

Sphere

Radius = n
Volume 3.9380751759904E+22
Surface area 5.5976635663596E+15
Circumference 132610628.29707

Square

Length = n
Perimeter 84422548
Area 445447913175769
Diagonal 29847878.087923

Cube

Length = n
Surface area 2672687479054614
Volume 9.4014619578953E+21
Space diagonal 36556035.610106

Equilateral Triangle

Length = n
Perimeter 63316911
Area 1.9288460443649E+14
Altitude 18278017.805053

Triangular Pyramid

Length = n
Surface area 1.9288460443649E+14
Volume 1.1079729172492E+21
Height 9949292.6959745