20487997 (number)

20487997 is an odd 8-digits composite number following 20487996 and preceding 20487998. In scientific notation, it is written as 2.0487997 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 20064000 positive integers (up to 20487997) that are relatively prime to 20487997.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-seven thousand nine hundred ninety-seven

Notation

Scientific notation 2.0487997 × 10^7
Engineering notation 2.0487997 × 10^6

Prime Factorization of 20487997

Prime Factorization 67 × 1601 × 191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20487997
Product of the distinct prime numbers

The prime factorization of 20487997 is 67 × 1601 × 191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20487997)

Multiplication

n×y
n×2 40975994
n×3 61463991
n×4 81951988
n×5 102439985

Division

n÷y
n÷2 10243998.5
n÷3 6829332.3333333
n÷3 5121999.25
n÷5 4097599.4

Exponentiation

ny
n2 419758021072009
n3 8.6000010764493E+21
n4 1.7619679625429E+29
n5 3.6099194330675E+36

Nth Root

y√n
2√n 4526.3668653789
3√n 273.63175797385
4√n 67.278279298589
5√n 28.993450280658

Divisors of 20487997

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 -20487996
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 20487997 can be divided by 8 positive divisors. The sum of these divisors (counting 20487997) is 1, the average is 0.125.

Base conversion 20487997

Base System Value
2 Binary 1001110001001111100111101
3 Ternary 1102112220020201
4 Quaternary 1032021330331
5 Quinary 20221103442
6 Senary 2011043501
8 Octal 116117475
10 Decimal 20487997
12 Duodecimal 6a40591
16 Hexadecimal 1389f3d
20 Vigesimal 680jjh
36 Base36 c74n1

Cryptographic Hash Functions

md5 4d11c04a5a850d906a17c8f89d8d98b4
sha1 225a55d9338b824d8f1d3f3c1657c48f68686b30
sha256 0ac260ef68c85d125db5e2b424b7c7f83c9f9712020a2442d3e0958e1420b442
sha512 005111ec8be5169c84a6b26a0e6648a0e79109d6dede2fa16bee4f85653bfb56e3865aabbb2c29b3b1db44aecbb39251eed044565a2699bfb0301772f5a7dfc3
ripemd-160 f36f56a3c8e1f9dea39466933036ad394a809af7

20487997 as geometric shapes

Circle

Radius = n
Diameter 40975994
Circumference 128729881.72394
Area 1.3187087152852E+15

Sphere

Radius = n
Volume 3.6023600270183E+22
Surface area 5.2748348611409E+15
Circumference 128729881.72394

Square

Length = n
Perimeter 81951988
Area 419758021072009
Diagonal 28974403.223259

Cube

Length = n
Surface area 2518548126432054
Volume 8.6000010764493E+21
Space diagonal 35486251.749319

Equilateral Triangle

Length = n
Perimeter 61463991
Area 1.8176055484532E+14
Altitude 17743125.874659

Triangular Pyramid

Length = n
Surface area 1.8176055484532E+14
Volume 1.0135198465615E+21
Height 9658134.4077531