20215749 (number)

20215749 is an odd 8-digits composite number following 20215748 and preceding 20215750. In scientific notation, it is written as 2.0215749 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13394160 positive integers (up to 20215749) that are relatively prime to 20215749.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand seven hundred forty-nine

Notation

Scientific notation 2.0215749 × 10^7
Engineering notation 2.0215749 × 10^6

Prime Factorization of 20215749

Prime Factorization 3 × 163 × 41341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20215749
Product of the distinct prime numbers

The prime factorization of 20215749 is 3 × 163 × 41341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215749)

Multiplication

n×y
n×2 40431498
n×3 60647247
n×4 80862996
n×5 101078745

Division

n÷y
n÷2 10107874.5
n÷3 6738583
n÷3 5053937.25
n÷5 4043149.8

Exponentiation

ny
n2 408676507631001
n3 8.2617017004649E+21
n4 1.6701648788947E+29
n5 3.3763633980351E+36

Nth Root

y√n
2√n 4496.1927227378
3√n 272.41432763967
4√n 67.053655550893
5√n 28.915983439087

Divisors of 20215749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215749 can be divided by 8 positive divisors. The sum of these divisors (counting 20215749) is 1, the average is 0.125.

Base conversion 20215749

Base System Value
2 Binary 1001101000111011111000101
3 Ternary 1102001001210110
4 Quaternary 1031013133011
5 Quinary 20133400444
6 Senary 2001143233
8 Octal 115073705
10 Decimal 20215749
12 Duodecimal 692ab19
16 Hexadecimal 13477c5
20 Vigesimal 666j79
36 Base36 c1akl

Cryptographic Hash Functions

md5 bc448905f5451113e4b949dd907370fc
sha1 c042bcaa24885ed4b063506cbddbd870c18f364a
sha256 142ac6abf928db1d44118a5a5992c3b0543c8b64cc014cd78c45f7a3400614e2
sha512 ec2260a14455ea6629ed0632d0be78486fe125da270b8a4964c1705f475ffdec676d6d96c71019bed6986b5bb01b9def93cb19ad6669597e4a1231abb427070e
ripemd-160 b4312777ac6dfdbbb0a47144f40919eb9c5fa777

20215749 as geometric shapes

Circle

Radius = n
Diameter 40431498
Circumference 127019297.09043
Area 1.2838951140683E+15

Sphere

Radius = n
Volume 3.4606535157774E+22
Surface area 5.1355804562731E+15
Circumference 127019297.09043

Square

Length = n
Perimeter 80862996
Area 408676507631001
Diagonal 28589386.40933

Cube

Length = n
Surface area 2452059045786006
Volume 8.2617017004649E+21
Space diagonal 35014704.38106

Equilateral Triangle

Length = n
Perimeter 60647247
Area 1.7696211876918E+14
Altitude 17507352.19053

Triangular Pyramid

Length = n
Surface area 1.7696211876918E+14
Volume 9.7365088275653E+20
Height 9529795.4697768