128492725 (number)

128492725 is an odd 9-digits composite number following 128492724 and preceding 128492726. In scientific notation, it is written as 1.28492725 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 96707520 positive integers (up to 128492725) that are relatively prime to 128492725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28492725 × 10^8
Engineering notation 1.28492725 × 10^6

Prime Factorization of 128492725

Prime Factorization 25 × 19 × 157 × 1723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128492725
Product of the distinct prime numbers

The prime factorization of 128492725 is 25 × 19 × 157 × 1723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 95, 8, 631, 343, 2490, 6150, 71895, 82491, 382015, 279364, 7235181, 7232588, 44655169, 44231349, 698665457, 293580100, 1136400164, 3975175169

Basic calculations (n = 128492725)

Multiplication

n×y
n×2 256985450
n×3 385478175
n×4 513970900
n×5 642463625

Division

n÷y
n÷2 64246362.5
n÷3 42830908.333333
n÷3 32123181.25
n÷5 25698545

Exponentiation

ny
n2 16510380377925625
n3 2.1214637655462E+24
n4 2.7259266022379E+32
n5 3.5026173727154E+40

Nth Root

y√n
2√n 11335.463157719
3√n 504.61425301347
4√n 106.4681321228
5√n 41.857733432964

Divisors of 128492725

1, 19, 25, 157, 475, 1723, 2983, 3925, 32737, 43075, 74575, 270511, 818425, 5139709, 6762775, 128492725

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 -128492724
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 128492725 can be divided by 16 positive divisors. The sum of these divisors (counting 128492725) is 1, the average is 0.0625.

Base conversion 128492725

Base System Value
2 Binary 111101010001010010010110101
3 Ternary 22221210002212211
4 Quaternary 13222022102311
5 Quinary 230343231400
6 Senary 20430013421
8 Octal 752122265
10 Decimal 128492725
12 Duodecimal 37047271
16 Hexadecimal 7a8a4b5
20 Vigesimal 2031bg5
36 Base36 24i1md

Cryptographic Hash Functions

md5 826daec43f7b25cb68ff22704104c260
sha1 4e106048bde338cfb3ba60121460162d9d836b68
sha256 8d0d6b03ffbaa2f0529f10f76462692a392599a2407af9a4baec28c94fe88638
sha512 7f35c2a5d75f38d7e7c56c2be9c95a0f3a59bf6064748c3a147bd7e141c874117eddeba85c7d948fb3e3428f4e2322e8629520a5b0eaff0b86c09327b124d1a1
ripemd-160 0e558ec41bd5646061ed156c17443a2cea8e53c6

128492725 as geometric shapes

Circle

Radius = n
Diameter 256985450
Circumference 807343601.79947
Area 5.1868889703264E+16

Sphere

Radius = n
Volume 8.8863666409291E+24
Surface area 2.0747555881306E+17
Circumference 807343601.79947

Square

Length = n
Perimeter 513970900
Area 16510380377925625
Diagonal 181716154.36128

Cube

Length = n
Surface area 99062282267553750
Volume 2.1214637655462E+24
Space diagonal 222555928.10298

Equilateral Triangle

Length = n
Perimeter 385478175
Area 7.1492044167139E+15
Altitude 111277964.05149

Triangular Pyramid

Length = n
Surface area 7.1492044167139E+15
Volume 2.5001690244321E+23
Height 60572051.453759