20145138 (number)

20145138 is an even 8-digits composite number following 20145137 and preceding 20145139. In scientific notation, it is written as 2.0145138 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 6198192 positive integers (up to 20145138) that are relatively prime to 20145138.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand one hundred thirty-eight

Notation

Scientific notation 2.0145138 × 10^7
Engineering notation 2.0145138 × 10^6

Prime Factorization of 20145138

Prime Factorization 2 × 3 × 13 × 13 × 19867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1549626
Product of the distinct prime numbers

The prime factorization of 20145138 is 2 × 3 × 13 × 13 × 19867. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145138)

Multiplication

n×y
n×2 40290276
n×3 60435414
n×4 80580552
n×5 100725690

Division

n÷y
n÷2 10072569
n÷3 6715046
n÷3 5036284.5
n÷5 4029027.6

Exponentiation

ny
n2 405826585039044
n3 8.1754325596803E+21
n4 1.6469521712445E+29
n5 3.3178078769121E+36

Nth Root

y√n
2√n 4488.3335437554
3√n 272.09678829128
4√n 66.995026261323
5√n 28.895755198438

Divisors of 20145138

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 -20145137
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 20145138 can be divided by 24 positive divisors. The sum of these divisors (counting 20145138) is 1, the average is 0.041666666666667.

Base conversion 20145138

Base System Value
2 Binary 1001100110110001111110010
3 Ternary 1101220110221020
4 Quaternary 1030312033302
5 Quinary 20124121023
6 Senary 1555440310
8 Octal 114661762
10 Decimal 20145138
12 Duodecimal 68b6096
16 Hexadecimal 13363f2
20 Vigesimal 65i2gi
36 Base36 bzs36

Cryptographic Hash Functions

md5 2139de483932049f4bf3af6ba6e50d89
sha1 c4affa4866b339841ae31ca612c8b79e92973d97
sha256 364a9fd9deb90de35f41f7a1aadd22343bf2e396c8863982d4a5e6de313e2ff1
sha512 488167ffe90ad3c433dc607dcf30c352145b13af9fd5cdd37518fe91d6a44c35af2a6cf5c648fc4a005e5eaa6d5dd9001aa75c3f843977d7943dd1c37ce00a1d
ripemd-160 48f81921644a3c8bf2dfb8ceaa41a6f71e25a760

20145138 as geometric shapes

Circle

Radius = n
Diameter 40290276
Circumference 126575635.09271
Area 1.2749418181901E+15

Sphere

Radius = n
Volume 3.424517182588E+22
Surface area 5.0997672727604E+15
Circumference 126575635.09271

Square

Length = n
Perimeter 80580552
Area 405826585039044
Diagonal 28489527.375478

Cube

Length = n
Surface area 2434959510234264
Volume 8.1754325596803E+21
Space diagonal 34892402.541486

Equilateral Triangle

Length = n
Perimeter 60435414
Area 1.7572806608745E+14
Altitude 17446201.270743

Triangular Pyramid

Length = n
Surface area 1.7572806608745E+14
Volume 9.6348396701387E+20
Height 9496509.1251592