128871407 (number)

128871407 is an odd 9-digits composite number following 128871406 and preceding 128871408. In scientific notation, it is written as 1.28871407 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 101150208 positive integers (up to 128871407) that are relatively prime to 128871407.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28871407 × 10^8
Engineering notation 1.28871407 × 10^6

Prime Factorization of 128871407

Prime Factorization 7 × 17 × 37 × 29269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128871407
Product of the distinct prime numbers

The prime factorization of 128871407 is 7 × 17 × 37 × 29269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 40, 88, 351, 92, 5504, 9773, 50645, 49978, 813973, 464133, 2412395, 6492645, 10569600, 6965734, 953230075, 997347892, 1123115688, 5290466799

Basic calculations (n = 128871407)

Multiplication

n×y
n×2 257742814
n×3 386614221
n×4 515485628
n×5 644357035

Division

n÷y
n÷2 64435703.5
n÷3 42957135.666667
n÷3 32217851.75
n÷5 25774281.4

Exponentiation

ny
n2 16607839542159649
n3 2.1402756490283E+24
n4 2.7582033425812E+32
n5 3.5545354555054E+40

Nth Root

y√n
2√n 11352.154288944
3√n 505.10948448009
4√n 106.54648886258
5√n 41.882376256298

Divisors of 128871407

1, 7, 17, 37, 119, 259, 629, 4403, 29269, 204883, 497573, 1082953, 3483011, 7580671, 18410201, 128871407

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 -128871406
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 128871407 can be divided by 16 positive divisors. The sum of these divisors (counting 128871407) is 1, the average is 0.0625.

Base conversion 128871407

Base System Value
2 Binary 111101011100110101111101111
3 Ternary 22222111100100002
4 Quaternary 13223212233233
5 Quinary 230442341112
6 Senary 20442054515
8 Octal 753465757
10 Decimal 128871407
12 Duodecimal 371aa43b
16 Hexadecimal 7ae6bef
20 Vigesimal 2058ia7
36 Base36 24q5tb

Cryptographic Hash Functions

md5 70e29628a2156cbb4e807d19bc195943
sha1 3cbca8fa03c137b6aef95797c57a95edc667c6a3
sha256 d590122ddad6f678aa12956ec88302bc36165e02dee9d572c70fc3507b12188f
sha512 3e8ebe54c0235f8f9e0cb459f88df48004292490918895ffc82ee6f7a18f777a94e866ca151beefec3be507790668ae1c7c2b5a8f428f3dc183f8d3d00e83c7b
ripemd-160 a24705a5780aeee1bcca2f364f2735fd040b250c

128871407 as geometric shapes

Circle

Radius = n
Diameter 257742814
Circumference 809722930.97796
Area 5.2175066697647E+16

Sphere

Radius = n
Volume 8.9651656741928E+24
Surface area 2.0870026679059E+17
Circumference 809722930.97796

Square

Length = n
Perimeter 515485628
Area 16607839542159649
Diagonal 182251691.5815

Cube

Length = n
Surface area 99647037252957894
Volume 2.1402756490283E+24
Space diagonal 223211824.56689

Equilateral Triangle

Length = n
Perimeter 386614221
Area 7.191405472743E+15
Altitude 111605912.28344

Triangular Pyramid

Length = n
Surface area 7.191405472743E+15
Volume 2.5223390417273E+23
Height 60750563.860501