20185998 (number)

20185998 is an even 8-digits composite number following 20185997 and preceding 20185999. In scientific notation, it is written as 2.0185998 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 5672160 positive integers (up to 20185998) that are relatively prime to 20185998.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0185998 × 10^7
Engineering notation 2.0185998 × 10^6

Prime Factorization of 20185998

Prime Factorization 2 × 3 × 7 × 61 × 7879

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20185998
Product of the distinct prime numbers

The prime factorization of 20185998 is 2 × 3 × 7 × 61 × 7879. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 70, 79, 460, 263, 8949, 5743, 23204, 34724, 320579, 44557, 1393182, 8908672, 87964064, 29707190, 953597087, 809581347, 2694250591, 43247688

Basic calculations (n = 20185998)

Multiplication

n×y
n×2 40371996
n×3 60557994
n×4 80743992
n×5 100929990

Division

n÷y
n÷2 10092999
n÷3 6728666
n÷3 5046499.5
n÷5 4037199.6

Exponentiation

ny
n2 407474515256004
n3 8.2252797500087E+21
n4 1.6603548058312E+29
n5 3.3515918789798E+36

Nth Root

y√n
2√n 4492.8830387625
3√n 272.28062696745
4√n 67.028971637364
5√n 28.907467442065

Divisors of 20185998

1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7879, 15758, 23637, 47274, 55153, 110306, 165459, 330918, 480619, 961238, 1441857, 2883714, 3364333, 6728666, 10092999, 20185998

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 -20185997
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 20185998 can be divided by 32 positive divisors. The sum of these divisors (counting 20185998) is 1, the average is 0.03125.

Base conversion 20185998

Base System Value
2 Binary 1001101000000001110001110
3 Ternary 1101222112222120
4 Quaternary 1031000032032
5 Quinary 20131422443
6 Senary 2000353410
8 Octal 115001616
10 Decimal 20185998
12 Duodecimal 6915866
16 Hexadecimal 134038e
20 Vigesimal 6634ji
36 Base36 c0nm6

Cryptographic Hash Functions

md5 cdf55c3aa57a4b0d24d29f226cc15ec6
sha1 afb3cf62ab9bf3c5ed0b10f0b17ecc503a90efd0
sha256 4679062840eb710152e3706f211db3bf009a3deebbc0c9b0ddbe750d1d8c75dc
sha512 df1b3f12094d7676e308622e54e9bcfdae9456da088322f976e01acce9564e0cdaf85fbc8120450224baaf97d5fd41eb8d8b3e482de85a4f3196d19b96466339
ripemd-160 e0f48f3c7406fb835ac949cd9b472c5d368ce261

20185998 as geometric shapes

Circle

Radius = n
Diameter 40371996
Circumference 126832366.04436
Area 1.2801189436533E+15

Sphere

Radius = n
Volume 3.4453971248464E+22
Surface area 5.1204757746133E+15
Circumference 126832366.04436

Square

Length = n
Perimeter 80743992
Area 407474515256004
Diagonal 28547312.141636

Cube

Length = n
Surface area 2444847091536024
Volume 8.2252797500087E+21
Space diagonal 34963174.137484

Equilateral Triangle

Length = n
Perimeter 60557994
Area 1.7644164080322E+14
Altitude 17481587.068742

Triangular Pyramid

Length = n
Surface area 1.7644164080322E+14
Volume 9.6935851473125E+20
Height 9515770.7138787