128422981 (number)

128422981 is an odd 9-digits composite number following 128422980 and preceding 128422982. In scientific notation, it is written as 1.28422981 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 120868672 positive integers (up to 128422981) that are relatively prime to 128422981.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred twenty-two thousand nine hundred eighty-one

Notation

Scientific notation 1.28422981 × 10^8
Engineering notation 1.28422981 × 10^6

Prime Factorization of 128422981

Prime Factorization 17 × 7554293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128422981
Product of the distinct prime numbers

The prime factorization of 128422981 is 17 × 7554293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 9, 92, 272, 589, 138, 3339, 16747, 49589, 556065, 884407, 1921279, 1094452, 14018286, 12222414, 887111353, 296776213, 8029518459, 6626976294

Basic calculations (n = 128422981)

Multiplication

n×y
n×2 256845962
n×3 385268943
n×4 513691924
n×5 642114905

Division

n÷y
n÷2 64211490.5
n÷3 42807660.333333
n÷3 32105745.25
n÷5 25684596.2

Exponentiation

ny
n2 16492462048926361
n3 2.1180111403525E+24
n4 2.7200130443528E+32
n5 3.4931218351467E+40

Nth Root

y√n
2√n 11332.386377105
3√n 504.52293737427
4√n 106.45368183912
5√n 41.853188491148

Divisors of 128422981

1, 17, 7554293, 128422981

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 -128422980
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 128422981 can be divided by 4 positive divisors. The sum of these divisors (counting 128422981) is 1, the average is 0.25.

Base conversion 128422981

Base System Value
2 Binary 111101001111001010001000101
3 Ternary 22221122120012201
4 Quaternary 13221321101011
5 Quinary 230334013411
6 Senary 20424314501
8 Octal 751712105
10 Decimal 128422981
12 Duodecimal 37012a31
16 Hexadecimal 7a79445
20 Vigesimal 202ch91
36 Base36 24gjt1

Cryptographic Hash Functions

md5 45d02c1313ed0faf57145fc7570037b7
sha1 4135743711991248b6a9e6d229ca4c121d99d950
sha256 cc40b59ed33aa73032b0258db111f1ec768cf55607d0c559f6ab9465109972a2
sha512 8cef06ccf428d272e95063219c3e1935f4d11586f67a32dc173ceff94a9af293acde94b38f3e3437dd034a724b9acac4f09b271317d57d9c41d38ffb92358e5b
ripemd-160 b67e847c3d6304644b41ab8126b4c7bb7415e2e8

128422981 as geometric shapes

Circle

Radius = n
Diameter 256845962
Circumference 806905387.3234
Area 5.1812597612516E+16

Sphere

Radius = n
Volume 8.871904318337E+24
Surface area 2.0725039045006E+17
Circumference 806905387.3234

Square

Length = n
Perimeter 513691924
Area 16492462048926361
Diagonal 181617521.45058

Cube

Length = n
Surface area 98954772293558166
Volume 2.1180111403525E+24
Space diagonal 222435127.95145

Equilateral Triangle

Length = n
Perimeter 385268943
Area 7.1414455526605E+15
Altitude 111217563.97573

Triangular Pyramid

Length = n
Surface area 7.1414455526605E+15
Volume 2.4961000666198E+23
Height 60539173.816861