20457940 (number)

20457940 is an even 8-digits composite number following 20457939 and preceding 20457941. In scientific notation, it is written as 2.0457940 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 8067360 positive integers (up to 20457940) that are relatively prime to 20457940.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand nine hundred forty

Notation

Scientific notation 2.0457940 × 10^7
Engineering notation 2.0457940 × 10^6

Prime Factorization of 20457940

Prime Factorization 2 × 2 × 5 × 71 × 14407

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10228970
Product of the distinct prime numbers

The prime factorization of 20457940 is 2 × 2 × 5 × 71 × 14407. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 27, 65, 966, 443, 152, 1658, 71171, 92835, 155937, 703223, 6928253, 8897146, 1735988, 71064673, 98056165, 560780116, 7522804489, 4356832333

Basic calculations (n = 20457940)

Multiplication

n×y
n×2 40915880
n×3 61373820
n×4 81831760
n×5 102289700

Division

n÷y
n÷2 10228970
n÷3 6819313.3333333
n÷3 5114485
n÷5 4091588

Exponentiation

ny
n2 418527309043600
n3 8.5622065767754E+21
n4 1.7516510841528E+29
n5 3.5835172780532E+36

Nth Root

y√n
2√n 4523.045434218
3√n 273.4978816204
4√n 67.253590493133
5√n 28.98493829215

Divisors of 20457940

1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14407, 28814, 57628, 72035, 144070, 288140, 1022897, 2045794, 4091588, 5114485, 10228970, 20457940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20457939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20457940 can be divided by 24 positive divisors. The sum of these divisors (counting 20457940) is 1, the average is 0.041666666666667.

Base conversion 20457940

Base System Value
2 Binary 1001110000010100111010100
3 Ternary 1102111101000111
4 Quaternary 1032002213110
5 Quinary 20214123230
6 Senary 2010252404
8 Octal 116024724
10 Decimal 20457940
12 Duodecimal 6a27104
16 Hexadecimal 13829d4
20 Vigesimal 67h4h0
36 Base36 c6hg4

Cryptographic Hash Functions

md5 2e93f3f0ff7a84a9da284ca2977e25b9
sha1 7b231bb99e84d9984157135da1c5ed3d6560b964
sha256 ccd1ad2c19ec1c226b7a82a46b205922932c69186e22abafb2fe4185f3e4df07
sha512 2a2d23342eebbab884524a9a967b994da71d7e4c1adcbe53a990cdef19865f780a53c2da0b1348ab302fc0d810f3f4f75e0a41a7b11472deada806f89bb19d33
ripemd-160 849a878fc74524e7aaa5b87801ab5ce5436499bb

20457940 as geometric shapes

Circle

Radius = n
Diameter 40915880
Circumference 128541028.02316
Area 1.3148423194181E+15

Sphere

Radius = n
Volume 3.5865287040155E+22
Surface area 5.2593692776723E+15
Circumference 128541028.02316

Square

Length = n
Perimeter 81831760
Area 418527309043600
Diagonal 28931896.206215

Cube

Length = n
Surface area 2511163854261600
Volume 8.5622065767754E+21
Space diagonal 35434191.498196

Equilateral Triangle

Length = n
Perimeter 61373820
Area 1.8122764090465E+14
Altitude 17717095.749098

Triangular Pyramid

Length = n
Surface area 1.8122764090465E+14
Volume 1.0090657220597E+21
Height 9643965.4020717