128331391 (number)

128331391 is an odd 9-digits composite number following 128331390 and preceding 128331392. In scientific notation, it is written as 1.28331391 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 125909992 positive integers (up to 128331391) that are relatively prime to 128331391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28331391 × 10^8
Engineering notation 1.28331391 × 10^6

Prime Factorization of 128331391

Prime Factorization 53 × 2421347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128331391
Product of the distinct prime numbers

The prime factorization of 128331391 is 53 × 2421347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 56, 78, 409, 251, 9781, 2616, 85998, 36883, 948335, 745394, 5680597, 885753, 86932482, 4673460, 16074390, 254858931, 3348062640, 9747195713

Basic calculations (n = 128331391)

Multiplication

n×y
n×2 256662782
n×3 384994173
n×4 513325564
n×5 641656955

Division

n÷y
n÷2 64165695.5
n÷3 42777130.333333
n÷3 32082847.75
n÷5 25666278.2

Exponentiation

ny
n2 16468945915994881
n3 2.1134827377034E+24
n4 2.7122617958396E+32
n5 3.4806832901626E+40

Nth Root

y√n
2√n 11328.344583389
3√n 504.40296859309
4√n 106.43469633249
5√n 41.847216931338

Divisors of 128331391

1, 53, 2421347, 128331391

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128331390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128331391 can be divided by 4 positive divisors. The sum of these divisors (counting 128331391) is 1, the average is 0.25.

Base conversion 128331391

Base System Value
2 Binary 111101001100010111001111111
3 Ternary 22221110220120111
4 Quaternary 13221202321333
5 Quinary 230323101031
6 Senary 20422330451
8 Octal 751427177
10 Decimal 128331391
12 Duodecimal 36b89a27
16 Hexadecimal 7a62e7f
20 Vigesimal 202189b
36 Base36 24el4v

Cryptographic Hash Functions

md5 ab53c7d8fdc7f123c51ea27aacb31110
sha1 ca09aa45ffc2e5ca0b5ffc7266c2bff9037ce37a
sha256 c48e74ef977e41a0758277977a1f86666431d3f97b09e9838eba003c8f8598f2
sha512 e1be154927858871f0132cddc4a4a5f2a540d27171e3276d42fdfdd66c7a3a82db0ae6d49e9e1660a8909a7a9d72b3fa35498890f2efa8af0c4e039cc7beea6a
ripemd-160 51c6a103613314b8de7315541aaa45edabc1f81c

128331391 as geometric shapes

Circle

Radius = n
Diameter 256662782
Circumference 806329910.38112
Area 5.1738719502057E+16

Sphere

Radius = n
Volume 8.8529357896771E+24
Surface area 2.0695487800823E+17
Circumference 806329910.38112

Square

Length = n
Perimeter 513325564
Area 16468945915994881
Diagonal 181487993.6304

Cube

Length = n
Surface area 98813675495969286
Volume 2.1134827377034E+24
Space diagonal 222276489.41799

Equilateral Triangle

Length = n
Perimeter 384994173
Area 7.1312627684018E+15
Altitude 111138244.70899

Triangular Pyramid

Length = n
Surface area 7.1312627684018E+15
Volume 2.490763292918E+23
Height 60495997.876802