20121537 (number)

20121537 is an odd 8-digits composite number following 20121536 and preceding 20121538. In scientific notation, it is written as 2.0121537 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 13011024 positive integers (up to 20121537) that are relatively prime to 20121537.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121537 × 10^7
Engineering notation 2.0121537 × 10^6

Prime Factorization of 20121537

Prime Factorization 3 × 59 × 79 × 1439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121537
Product of the distinct prime numbers

The prime factorization of 20121537 is 3 × 59 × 79 × 1439. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121537)

Multiplication

n×y
n×2 40243074
n×3 60364611
n×4 80486148
n×5 100607685

Division

n÷y
n÷2 10060768.5
n÷3 6707179
n÷3 5030384.25
n÷5 4024307.4

Exponentiation

ny
n2 404876251242369
n3 8.1467324697946E+21
n4 1.6392477882007E+29
n5 3.2984185022449E+36

Nth Root

y√n
2√n 4485.7036237362
3√n 271.99048860195
4√n 66.975395659423
5√n 28.888981469442

Divisors of 20121537

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 -20121536
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 20121537 can be divided by 16 positive divisors. The sum of these divisors (counting 20121537) is 1, the average is 0.0625.

Base conversion 20121537

Base System Value
2 Binary 1001100110000011111000001
3 Ternary 1101212021120010
4 Quaternary 1030300133001
5 Quinary 20122342122
6 Senary 1555135133
8 Octal 114603701
10 Decimal 20121537
12 Duodecimal 68a44a9
16 Hexadecimal 13307c1
20 Vigesimal 65f3gh
36 Base36 bz9vl

Cryptographic Hash Functions

md5 51bfc5fa6d55610798524088ae449ee0
sha1 08b527348bf3ad5e52fae91d72cab1f9d6735b38
sha256 dcc8fd3a1d780e7190ff5525422c37d2763432166ec3c0c96feb48f2328e55ee
sha512 343a721fbb331925710260c5429b8c1dee676342042b88ebef630e317fccecddad76ae0444c204aef8367e425bd24c92b6241eb19b891cb3b59c4ad89ee2ac3e
ripemd-160 6c5491bc392471961b058e111ebd7ee130343f6e

20121537 as geometric shapes

Circle

Radius = n
Diameter 40243074
Circumference 126427345.63627
Area 1.271956256516E+15

Sphere

Radius = n
Volume 3.4124953170491E+22
Surface area 5.087825026064E+15
Circumference 126427345.63627

Square

Length = n
Perimeter 80486148
Area 404876251242369
Diagonal 28456150.521192

Cube

Length = n
Surface area 2429257507454214
Volume 8.1467324697946E+21
Space diagonal 34851524.410377

Equilateral Triangle

Length = n
Perimeter 60364611
Area 1.7531655948245E+14
Altitude 17425762.205189

Triangular Pyramid

Length = n
Surface area 1.7531655948245E+14
Volume 9.6010162898407E+20
Height 9485383.507064