128878416 (number)

128878416 is an even 9-digits composite number following 128878415 and preceding 128878417. In scientific notation, it is written as 1.28878416 × 10^8. The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors. There are 41249280 positive integers (up to 128878416) that are relatively prime to 128878416.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28878416 × 10^8
Engineering notation 1.28878416 × 10^6

Prime Factorization of 128878416

Prime Factorization 2 × 2 × 2 × 2 × 9 × 41 × 83 × 263

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16109802
Product of the distinct prime numbers

The prime factorization of 128878416 is 2 × 2 × 2 × 2 × 9 × 41 × 83 × 263. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128878416)

Multiplication

n×y
n×2 257756832
n×3 386635248
n×4 515513664
n×5 644392080

Division

n÷y
n÷2 64439208
n÷3 42959472
n÷3 32219604
n÷5 25775683.2

Exponentiation

ny
n2 16609646110669056
n3 2.1406248810636E+24
n4 2.7588034392166E+32
n5 3.5555021730159E+40

Nth Root

y√n
2√n 11352.462992673
3√n 505.11864153641
4√n 106.54793753364
5√n 41.882831822347

Divisors of 128878416

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128878415
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128878416 can be divided by 80 positive divisors. The sum of these divisors (counting 128878416) is 1, the average is 0.0125.

Base conversion 128878416

Base System Value
2 Binary 111101011101000011101010000
3 Ternary 22222111200221200
4 Quaternary 13223220131100
5 Quinary 230443102131
6 Senary 20442151200
8 Octal 753503520
10 Decimal 128878416
12 Duodecimal 371b2500
16 Hexadecimal 7ae8750
20 Vigesimal 2059g0g
36 Base36 24qb80

Cryptographic Hash Functions

md5 3b26dbf0844e3c09ba6e4c83f50ec2d7
sha1 dd4a2217e7ba6e84ff4c233fbee4f3d075f90f13
sha256 37e9f5f8d8f3d5bb95464fd8cb118e1d6eabc884ad439ee3dd633d30a45a8887
sha512 d848a1b32979a4249e0def0abac8f5d3956b6179c8330911f18c4e82041b1abf8340932e6eaa0a8ffeb7464d954bec504393d04bbf9b209cc967dd5dc933170b
ripemd-160 ef74a1c66fc6ddb0debb1a612732f2e91f4b5b84

128878416 as geometric shapes

Circle

Radius = n
Diameter 257756832
Circumference 809766969.82378
Area 5.2180742200004E+16

Sphere

Radius = n
Volume 8.9666285339212E+24
Surface area 2.0872296880002E+17
Circumference 809766969.82378

Square

Length = n
Perimeter 515513664
Area 16609646110669056
Diagonal 182261603.80436

Cube

Length = n
Surface area 99657876664014336
Volume 2.1406248810636E+24
Space diagonal 223223964.511

Equilateral Triangle

Length = n
Perimeter 386635248
Area 7.1921877398544E+15
Altitude 111611982.2555

Triangular Pyramid

Length = n
Surface area 7.1921877398544E+15
Volume 2.5227506156279E+23
Height 60753867.934787