20145970 (number)

20145970 is an even 8-digits composite number following 20145969 and preceding 20145971. In scientific notation, it is written as 2.0145970 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7197120 positive integers (up to 20145970) that are relatively prime to 20145970.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred seventy

Notation

Scientific notation 2.0145970 × 10^7
Engineering notation 2.0145970 × 10^6

Prime Factorization of 20145970

Prime Factorization 2 × 5 × 13 × 31 × 4999

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20145970
Product of the distinct prime numbers

The prime factorization of 20145970 is 2 × 5 × 13 × 31 × 4999. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 23, 7, 243, 334, 3999, 6725, 9065, 88273, 284904, 188044, 3556880, 9222394, 43022563, 92104413, 708104114, 517574561, 1410419204, 2094464720

Basic calculations (n = 20145970)

Multiplication

n×y
n×2 40291940
n×3 60437910
n×4 80583880
n×5 100729850

Division

n÷y
n÷2 10072985
n÷3 6715323.3333333
n÷3 5036492.5
n÷5 4029194

Exponentiation

ny
n2 405860107240900
n3 8.176445544672E+21
n4 1.6472242664959E+29
n5 3.3184930656099E+36

Nth Root

y√n
2√n 4488.4262275323
3√n 272.10053413162
4√n 66.995717979079
5√n 28.895993875097

Divisors of 20145970

1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4999, 9998, 24995, 49990, 64987, 129974, 154969, 309938, 324935, 649870, 774845, 1549690, 2014597, 4029194, 10072985, 20145970

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145970 can be divided by 32 positive divisors. The sum of these divisors (counting 20145970) is 1, the average is 0.03125.

Base conversion 20145970

Base System Value
2 Binary 1001100110110011100110010
3 Ternary 1101220112002001
4 Quaternary 1030312130302
5 Quinary 20124132340
6 Senary 1555444214
8 Octal 114663462
10 Decimal 20145970
12 Duodecimal 68b666a
16 Hexadecimal 1336732
20 Vigesimal 65i4ia
36 Base36 bzsqa

Cryptographic Hash Functions

md5 3e193a0d92ca6ba73f95241730226c8e
sha1 5279ad744763c7a6a5e47143df04af827b47d1aa
sha256 92f30517d898fc86a00a8adedf14c5938d517dcf2925539f768e4accd4ffbf4e
sha512 f833794d0753e00e3faa3d8072fae17e14d7c62684f705adfd5f9564b2c96de8714972dc72f95dfb15da06eb5259f19f36cb3387b4b17f47e59a0e42f7c503ec
ripemd-160 b080e164b04765a24a6c9b86fca4337b8ba60c45

20145970 as geometric shapes

Circle

Radius = n
Diameter 40291940
Circumference 126580862.70288
Area 1.2750471312932E+15

Sphere

Radius = n
Volume 3.4249415007491E+22
Surface area 5.1001885251727E+15
Circumference 126580862.70288

Square

Length = n
Perimeter 80583880
Area 405860107240900
Diagonal 28490704.001162

Cube

Length = n
Surface area 2435160643445400
Volume 8.176445544672E+21
Space diagonal 34893843.607758

Equilateral Triangle

Length = n
Perimeter 60437910
Area 1.7574258162665E+14
Altitude 17446921.803879

Triangular Pyramid

Length = n
Surface area 1.7574258162665E+14
Volume 9.6360334844001E+20
Height 9496901.3337205