18842990 (number)

18842990 is an even 8-digits composite number following 18842989 and preceding 18842991. In scientific notation, it is written as 1.8842990 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 7257600 positive integers (up to 18842990) that are relatively prime to 18842990.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred forty-two thousand nine hundred ninety

Notation

Scientific notation 1.8842990 × 10^7
Engineering notation 1.8842990 × 10^6

Prime Factorization of 18842990

Prime Factorization 2 × 5 × 37 × 127 × 401

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18842990
Product of the distinct prime numbers

The prime factorization of 18842990 is 2 × 5 × 37 × 127 × 401. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 17, 85, 955, 729, 350, 5705, 50126, 28064, 757143, 593948, 5744092, 752527, 67907661, 81184019, 225149131, 575235082, 4143414901, 3275800413

Basic calculations (n = 18842990)

Multiplication

n×y
n×2 37685980
n×3 56528970
n×4 75371960
n×5 94214950

Division

n÷y
n÷2 9421495
n÷3 6280996.6666667
n÷3 4710747.5
n÷5 3768598

Exponentiation

ny
n2 355058272140100
n3 6.6903594713532E+21
n4 1.2606637661511E+29
n5 2.3754674738948E+36

Nth Root

y√n
2√n 4340.8512989965
3√n 266.10310322773
4√n 65.88513716307
5√n 28.512149762305

Divisors of 18842990

1, 2, 5, 10, 37, 74, 127, 185, 254, 370, 401, 635, 802, 1270, 2005, 4010, 4699, 9398, 14837, 23495, 29674, 46990, 50927, 74185, 101854, 148370, 254635, 509270, 1884299, 3768598, 9421495, 18842990

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 -18842989
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 18842990 can be divided by 32 positive divisors. The sum of these divisors (counting 18842990) is 1, the average is 0.03125.

Base conversion 18842990

Base System Value
2 Binary 1000111111000010101101110
3 Ternary 1022110022201112
4 Quaternary 1013320111232
5 Quinary 14310433430
6 Senary 1511512022
8 Octal 107702556
10 Decimal 18842990
12 Duodecimal 6388612
16 Hexadecimal 11f856e
20 Vigesimal 5hf79a
36 Base36 b7vce

Cryptographic Hash Functions

md5 23a4f67c5a8c69f26e4d15e9b2581428
sha1 21a96b4aff3336cfac6ae42c3c7872455c2941bd
sha256 a67f230a3a22311cb1edfe09488d41ac122639457206914e6f4eedfff2f70cc6
sha512 47f3fed550c5412ad1ccb973e2fa5107bf2e289a41a7e22345cbf1130951b8f3d7fc100f72ea84adaf6b49c0a2a78cf5d6b85d1ed1dc76a628962a7a5692bb65
ripemd-160 c2597accdbd4c1485e8327c43e6826c8a393e6bb

18842990 as geometric shapes

Circle

Radius = n
Diameter 37685980
Circumference 118393997.91133
Area 1.1154484593516E+15

Sphere

Radius = n
Volume 2.8024512220104E+22
Surface area 4.4617938374065E+15
Circumference 118393997.91133

Square

Length = n
Perimeter 75371960
Area 355058272140100
Diagonal 26648012.013661

Cube

Length = n
Surface area 2130349632840600
Volume 6.6903594713532E+21
Space diagonal 32637016.046512

Equilateral Triangle

Length = n
Perimeter 56528970
Area 1.5374474174857E+14
Altitude 16318508.023256

Triangular Pyramid

Length = n
Surface area 1.5374474174857E+14
Volume 7.8846642512825E+20
Height 8882670.6712202