20185894 (number)

20185894 is an even 8-digits composite number following 20185893 and preceding 20185895. In scientific notation, it is written as 2.0185894 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 9833472 positive integers (up to 20185894) that are relatively prime to 20185894.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-five thousand eight hundred ninety-four

Notation

Scientific notation 2.0185894 × 10^7
Engineering notation 2.0185894 × 10^6

Prime Factorization of 20185894

Prime Factorization 2 × 67 × 97 × 1553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20185894
Product of the distinct prime numbers

The prime factorization of 20185894 is 2 × 67 × 97 × 1553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20185894)

Multiplication

n×y
n×2 40371788
n×3 60557682
n×4 80743576
n×5 100929470

Division

n÷y
n÷2 10092947
n÷3 6728631.3333333
n÷3 5046473.5
n÷5 4037178.8

Exponentiation

ny
n2 407470316579236
n3 8.2251526186149E+21
n4 1.6603205889318E+29
n5 3.3515055414195E+36

Nth Root

y√n
2√n 4492.8714648875
3√n 272.28015936224
4√n 67.028885302439
5√n 28.907437655251

Divisors of 20185894

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20185893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20185894 can be divided by 16 positive divisors. The sum of these divisors (counting 20185894) is 1, the average is 0.0625.

Base conversion 20185894

Base System Value
2 Binary 1001101000000001100100110
3 Ternary 1101222112211201
4 Quaternary 1031000030212
5 Quinary 20131422034
6 Senary 2000353114
8 Octal 115001446
10 Decimal 20185894
12 Duodecimal 691579a
16 Hexadecimal 1340326
20 Vigesimal 6634ee
36 Base36 c0nja

Cryptographic Hash Functions

md5 10cd0cf84da9ea1086f87ddd9fcf766c
sha1 0ca016898c06c74de498bbe9b18ee99b3ff99240
sha256 3804b853a1bd6eee7eeb725fd1c094aed2cc3f4b12a8d858a1112840462bc1e1
sha512 04b8b0c6aa104e555ed4d808403b9213ea38bde3936497014edcf25403910bffa04c8a4aa2e8da55efc09c195748e487f6cbd099281327c997c48642160caed3
ripemd-160 2e7d1669c292dc72adb748ee9ce0bead94ca2833

20185894 as geometric shapes

Circle

Radius = n
Diameter 40371788
Circumference 126831712.59308
Area 1.2801057531212E+15

Sphere

Radius = n
Volume 3.4453438721727E+22
Surface area 5.1204230124849E+15
Circumference 126831712.59308

Square

Length = n
Perimeter 80743576
Area 407470316579236
Diagonal 28547165.063426

Cube

Length = n
Surface area 2444821899475416
Volume 8.2251526186149E+21
Space diagonal 34962994.0042

Equilateral Triangle

Length = n
Perimeter 60557682
Area 1.7643982272285E+14
Altitude 17481497.0021

Triangular Pyramid

Length = n
Surface area 1.7643982272285E+14
Volume 9.6934353215281E+20
Height 9515721.6878086