20197978 (number)

20197978 is an even 8-digits composite number following 20197977 and preceding 20197979. In scientific notation, it is written as 2.0197978 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9750720 positive integers (up to 20197978) that are relatively prime to 20197978.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.0197978 × 10^7
Engineering notation 2.0197978 × 10^6

Prime Factorization of 20197978

Prime Factorization 2 × 29 × 348241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20197978
Product of the distinct prime numbers

The prime factorization of 20197978 is 2 × 29 × 348241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20197978)

Multiplication

n×y
n×2 40395956
n×3 60593934
n×4 80791912
n×5 100989890

Division

n÷y
n÷2 10098989
n÷3 6732659.3333333
n÷3 5049494.5
n÷5 4039595.6

Exponentiation

ny
n2 407958315288484
n3 8.2399330771139E+21
n4 1.6642998701302E+29
n5 3.3615492162292E+36

Nth Root

y√n
2√n 4494.2160606718
3√n 272.33448074649
4√n 67.038914524862
5√n 28.910897832552

Divisors of 20197978

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 -20197977
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 20197978 can be divided by 8 positive divisors. The sum of these divisors (counting 20197978) is 1, the average is 0.125.

Base conversion 20197978

Base System Value
2 Binary 1001101000011001001011010
3 Ternary 1102000011102021
4 Quaternary 1031003021122
5 Quinary 20132313403
6 Senary 2000525054
8 Octal 115031132
10 Decimal 20197978
12 Duodecimal 692078a
16 Hexadecimal 134325a
20 Vigesimal 664eii
36 Base36 c0wuy

Cryptographic Hash Functions

md5 601293362df530647472781bc531aa0d
sha1 95865de51e86e65800601d701b65052083a53b36
sha256 f102ff61a104cb7a0728a645f7ec4559b98e1147f24e6052565cc447f503acc0
sha512 5272191d16a6e9301f7a02a56ee2484bc60421181eb3b16e9185ad1858bccc824547a3e03a202740f54278957b199bc333fa819cb0ff8de1ebe8119feed5d99a
ripemd-160 cd2b6ff07fb094d11e0329081947ba36520c4768

20197978 as geometric shapes

Circle

Radius = n
Diameter 40395956
Circumference 126907638.60434
Area 1.2816388462812E+15

Sphere

Radius = n
Volume 3.451535096151E+22
Surface area 5.1265553851247E+15
Circumference 126907638.60434

Square

Length = n
Perimeter 80791912
Area 407958315288484
Diagonal 28564254.420113

Cube

Length = n
Surface area 2447749891730904
Volume 8.2399330771139E+21
Space diagonal 34983924.106158

Equilateral Triangle

Length = n
Perimeter 60593934
Area 1.7665113236246E+14
Altitude 17491962.053079

Triangular Pyramid

Length = n
Surface area 1.7665113236246E+14
Volume 9.7108542589176E+20
Height 9521418.1400378