128694538 (number)

128694538 is an even 9-digits composite number following 128694537 and preceding 128694539. In scientific notation, it is written as 1.28694538 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 54331200 positive integers (up to 128694538) that are relatively prime to 128694538.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-four thousand five hundred thirty-eight

Notation

Scientific notation 1.28694538 × 10^8
Engineering notation 1.28694538 × 10^6

Prime Factorization of 128694538

Prime Factorization 2 × 7 × 67 × 137201

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128694538
Product of the distinct prime numbers

The prime factorization of 128694538 is 2 × 7 × 67 × 137201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 47, 3, 306, 966, 1719, 2446, 35976, 88472, 972333, 866963, 2278178, 1179895, 81920263, 60781051, 280152853, 927023570, 5097446740, 3385365809

Basic calculations (n = 128694538)

Multiplication

n×y
n×2 257389076
n×3 386083614
n×4 514778152
n×5 643472690

Division

n÷y
n÷2 64347269
n÷3 42898179.333333
n÷3 32173634.5
n÷5 25738907.6

Exponentiation

ny
n2 16562284111033444
n3 2.1314755018942E+24
n4 2.7430925497459E+32
n5 3.5302102838079E+40

Nth Root

y√n
2√n 11344.361506934
3√n 504.87830024951
4√n 106.50991271677
5√n 41.870873683006

Divisors of 128694538

1, 2, 7, 14, 67, 134, 469, 938, 137201, 274402, 960407, 1920814, 9192467, 18384934, 64347269, 128694538

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 -128694537
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 128694538 can be divided by 16 positive divisors. The sum of these divisors (counting 128694538) is 1, the average is 0.0625.

Base conversion 128694538

Base System Value
2 Binary 111101010111011100100001010
3 Ternary 22222011100201101
4 Quaternary 13222323210022
5 Quinary 230421211123
6 Senary 20434212014
8 Octal 752734412
10 Decimal 128694538
12 Duodecimal 3712400a
16 Hexadecimal 7abb90a
20 Vigesimal 2046g6i
36 Base36 24mdca

Cryptographic Hash Functions

md5 42177412f8eef1312585e81611d90ef7
sha1 29d527c8fd9bfe54a0b95ea2d0edad7576cf090e
sha256 521342d5ef4d1d6bac0d87fcc9ce33f2e2a489fa73f0c0e676b753b5833597a7
sha512 9c3bfd92e368ae6a242f542c549783ff58bbe8a7c2af80b1836184b03ac93fbb77f39580e49bd061dcee93ea524a12cb82429783809d19a04bbea0af28cfdc80
ripemd-160 7e5fb5eb9f162c4f542597252d2abcb797a33b42

128694538 as geometric shapes

Circle

Radius = n
Diameter 257389076
Circumference 808611630.27586
Area 5.203195008989E+16

Sphere

Radius = n
Volume 8.9283037040765E+24
Surface area 2.0812780035956E+17
Circumference 808611630.27586

Square

Length = n
Perimeter 514778152
Area 16562284111033444
Diagonal 182001561.04294

Cube

Length = n
Surface area 99373704666200664
Volume 2.1314755018942E+24
Space diagonal 222905478.4726

Equilateral Triangle

Length = n
Perimeter 386083614
Area 7.1716793924252E+15
Altitude 111452739.2363

Triangular Pyramid

Length = n
Surface area 7.1716793924252E+15
Volume 2.5119679688706E+23
Height 60667187.014313