128125842 (number)

128125842 is an even 9-digits composite number following 128125841 and preceding 128125843. In scientific notation, it is written as 1.28125842 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 38833344 positive integers (up to 128125842) that are relatively prime to 128125842.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million one hundred twenty-five thousand eight hundred forty-two

Notation

Scientific notation 1.28125842 × 10^8
Engineering notation 1.28125842 × 10^6

Prime Factorization of 128125842

Prime Factorization 2 × 3 × 67 × 13 × 24517

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128125842
Product of the distinct prime numbers

The prime factorization of 128125842 is 2 × 3 × 67 × 13 × 24517. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 26, 11, 40, 686, 3948, 7788, 94560, 21890, 580810, 709855, 66476, 7595998, 83700054, 60943198, 974129145, 514755106, 6218206266, 860532972

Basic calculations (n = 128125842)

Multiplication

n×y
n×2 256251684
n×3 384377526
n×4 512503368
n×5 640629210

Division

n÷y
n÷2 64062921
n÷3 42708614
n÷3 32031460.5
n÷5 25625168.4

Exponentiation

ny
n2 16416231388208964
n3 2.1033434690811E+24
n4 2.6949265299122E+32
n5 3.4528973077314E+40

Nth Root

y√n
2√n 11319.268615949
3√n 504.13352313901
4√n 106.39205146978
5√n 41.83380295717

Divisors of 128125842

1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 24517, 49034, 73551, 147102, 318721, 637442, 956163, 1642639, 1912326, 3285278, 4927917, 9855834, 21354307, 42708614, 64062921, 128125842

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 -128125841
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 128125842 can be divided by 32 positive divisors. The sum of these divisors (counting 128125842) is 1, the average is 0.03125.

Base conversion 128125842

Base System Value
2 Binary 111101000110000101110010010
3 Ternary 22221002110121120
4 Quaternary 13220300232102
5 Quinary 230300011332
6 Senary 20414103110
8 Octal 750605622
10 Decimal 128125842
12 Duodecimal 36aaaa96
16 Hexadecimal 7a30b92
20 Vigesimal 200fec2
36 Base36 24a6j6

Cryptographic Hash Functions

md5 64dd4fc3e22958a1b42b7e9783ae87ee
sha1 6f00c0db30429a5b747c564a14c2a723d44906fd
sha256 e7f074f4564464e4d11a96ae5e26a9cd03f2bb052ca08a1177f39762d1802c70
sha512 765e65475cfebc6a4ed4d5df9cc6f97adf6cee979203c4e4476ae0e22988d508df2f5789d00f076df5605974d741ed08c29c5288a9e2725bd5fd73f438ea93e5
ripemd-160 713b001070051de158b5aa8d1ea8fa1cdd9f3209

128125842 as geometric shapes

Circle

Radius = n
Diameter 256251684
Circumference 805038407.92441
Area 5.1573111928827E+16

Sphere

Radius = n
Volume 8.8104645205883E+24
Surface area 2.0629244771531E+17
Circumference 805038407.92441

Square

Length = n
Perimeter 512503368
Area 16416231388208964
Diagonal 181197303.44687

Cube

Length = n
Surface area 98497388329253784
Volume 2.1033434690811E+24
Space diagonal 221920468.10654

Equilateral Triangle

Length = n
Perimeter 384377526
Area 7.1084367082962E+15
Altitude 110960234.05327

Triangular Pyramid

Length = n
Surface area 7.1084367082962E+15
Volume 2.4788140502528E+23
Height 60399101.148957