18391138 (number)

18391138 is an even 8-digits composite number following 18391137 and preceding 18391139. In scientific notation, it is written as 1.8391138 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9035136 positive integers (up to 18391138) that are relatively prime to 18391138.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-one thousand one hundred thirty-eight

Notation

Scientific notation 1.8391138 × 10^7
Engineering notation 1.8391138 × 10^6

Prime Factorization of 18391138

Prime Factorization 2 × 373 × 277 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18391138
Product of the distinct prime numbers

The prime factorization of 18391138 is 2 × 373 × 277 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 91, 56, 438, 747, 5976, 9481, 89634, 66209, 54265, 196307, 3168867, 9040470, 83287952, 98170062, 230779488, 905379132, 2599759340, 558015052

Basic calculations (n = 18391138)

Multiplication

n×y
n×2 36782276
n×3 55173414
n×4 73564552
n×5 91955690

Division

n÷y
n÷2 9195569
n÷3 6130379.3333333
n÷3 4597784.5
n÷5 3678227.6

Exponentiation

ny
n2 338233956935044
n3 6.2205073782785E+21
n4 1.1440220962394E+29
n5 2.1039868246988E+36

Nth Root

y√n
2√n 4288.4890112952
3√n 263.95883387811
4√n 65.48655595842
5√n 28.37407554119

Divisors of 18391138

1, 2, 89, 178, 277, 373, 554, 746, 24653, 33197, 49306, 66394, 103321, 206642, 9195569, 18391138

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 -18391137
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 18391138 can be divided by 16 positive divisors. The sum of these divisors (counting 18391138) is 1, the average is 0.0625.

Base conversion 18391138

Base System Value
2 Binary 1000110001010000001100010
3 Ternary 1021121100220021
4 Quaternary 1012022001202
5 Quinary 14202004023
6 Senary 1454104054
8 Octal 106120142
10 Decimal 18391138
12 Duodecimal 61ab02a
16 Hexadecimal 118a062
20 Vigesimal 5eihgi
36 Base36 ay6oy

Cryptographic Hash Functions

md5 917ec470786837fb267e98babe708110
sha1 f20875209c055c5d3943a93d7e9b795d9d3f872f
sha256 0340b9626f4b6a43bd38c93bbe683763263f74f4a1feebaeb9bc022690f59594
sha512 ac4b7224200aa6e789c2f5725584ccd45440323dd5a9d1082912e09376fb58f258327b84dce589a2ebfa3efa72f2550f0ae97b2525104430a959e29fab9a5782
ripemd-160 6d26ed4ca4eac55b612b71680d0e1b58ac37a8d8

18391138 as geometric shapes

Circle

Radius = n
Diameter 36782276
Circumference 115554928.06391
Area 1.0625933143017E+15

Sphere

Radius = n
Volume 2.6056400374934E+22
Surface area 4.250373257207E+15
Circumference 115554928.06391

Square

Length = n
Perimeter 73564552
Area 338233956935044
Diagonal 26008996.787075

Cube

Length = n
Surface area 2029403741610264
Volume 6.2205073782785E+21
Space diagonal 31854385.425011

Equilateral Triangle

Length = n
Perimeter 55173414
Area 1.4645959956414E+14
Altitude 15927192.712505

Triangular Pyramid

Length = n
Surface area 1.4645959956414E+14
Volume 7.3309382493361E+20
Height 8669665.5956917