128400725 (number)

128400725 is an odd 9-digits composite number following 128400724 and preceding 128400726. In scientific notation, it is written as 1.28400725 × 10^8. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 100214400 positive integers (up to 128400725) that are relatively prime to 128400725.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thousand seven hundred twenty-five

Notation

Scientific notation 1.28400725 × 10^8
Engineering notation 1.28400725 × 10^6

Prime Factorization of 128400725

Prime Factorization 5 × 41 × 5 × 125269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 25680145
Product of the distinct prime numbers

The prime factorization of 128400725 is 5 × 41 × 5 × 125269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 6, 97, 899, 370, 8760, 8002, 74272, 62869, 895450, 555882, 4172082, 2188851, 90442731, 59727055, 128528661, 71781527, 7537580873, 1022632831

Basic calculations (n = 128400725)

Multiplication

n×y
n×2 256801450
n×3 385202175
n×4 513602900
n×5 642003625

Division

n÷y
n÷2 64200362.5
n÷3 42800241.666667
n÷3 32100181.25
n÷5 25680145

Exponentiation

ny
n2 16486746180525625
n3 2.1169101624705E+24
n4 2.7181279962108E+32
n5 3.4900960535626E+40

Nth Root

y√n
2√n 11331.404370156
3√n 504.49379069268
4√n 106.44906937196
5√n 41.85173773968

Divisors of 128400725

1, 5, 25, 41, 205, 1025, 125269, 626345, 3131725, 5136029, 25680145, 128400725

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128400724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128400725 can be divided by 12 positive divisors. The sum of these divisors (counting 128400725) is 1, the average is 0.083333333333333.

Base conversion 128400725

Base System Value
2 Binary 111101001110011110101010101
3 Ternary 22221121102200102
4 Quaternary 13221303311111
5 Quinary 230332310400
6 Senary 20424023445
8 Octal 751636525
10 Decimal 128400725
12 Duodecimal 37001b85
16 Hexadecimal 7a73d55
20 Vigesimal 202a1g5
36 Base36 24g2mt

Cryptographic Hash Functions

md5 2a0a15060ecb06c5c45adb92e37d0746
sha1 52141c0e55edf196c8ebe0c9de1f9adaf922db2d
sha256 996bc124fe9dd0496ef0f10250d268904b0f69c973ed723b3496253e148b3fa8
sha512 4ac3e8633b5880c486e90ae9f2eb619cf843ae7f6bd77efb5cff9697e30b73dcb9d1f24fd92c12c7f038f526eee4608016ca73ff40668448ce7a6341bd8b0d9d
ripemd-160 c23d8627362a70adcc18a7ced942324a9f848d85

128400725 as geometric shapes

Circle

Radius = n
Diameter 256801450
Circumference 806765548.75121
Area 5.1794640682339E+16

Sphere

Radius = n
Volume 8.8672925529691E+24
Surface area 2.0717856272936E+17
Circumference 806765548.75121

Square

Length = n
Perimeter 513602900
Area 16486746180525625
Diagonal 181586046.71354

Cube

Length = n
Surface area 98920477083153750
Volume 2.1169101624705E+24
Space diagonal 222396579.42868

Equilateral Triangle

Length = n
Perimeter 385202175
Area 7.1389705090406E+15
Altitude 111198289.71434

Triangular Pyramid

Length = n
Surface area 7.1389705090406E+15
Volume 2.4948025517426E+23
Height 60528682.237846