128778879 (number)

128778879 is an odd 9-digits composite number following 128778878 and preceding 128778880. In scientific notation, it is written as 1.28778879 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 82738656 positive integers (up to 128778879) that are relatively prime to 128778879.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28778879 × 10^8
Engineering notation 1.28778879 × 10^6

Prime Factorization of 128778879

Prime Factorization 3 × 29 × 739 × 2003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128778879
Product of the distinct prime numbers

The prime factorization of 128778879 is 3 × 29 × 739 × 2003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 93, 24, 974, 542, 1040, 5680, 46607, 92535, 882212, 848590, 1993619, 274503, 20456293, 34420557, 712645356, 793480747, 2335092878, 9663638862

Basic calculations (n = 128778879)

Multiplication

n×y
n×2 257557758
n×3 386336637
n×4 515115516
n×5 643894395

Division

n÷y
n÷2 64389439.5
n÷3 42926293
n÷3 32194719.75
n÷5 25755775.8

Exponentiation

ny
n2 16583999676496641
n3 2.1356688876756E+24
n4 2.7502904527004E+32
n5 3.5417932142316E+40

Nth Root

y√n
2√n 11348.078207344
3√n 504.98856818222
4√n 106.52735896165
5√n 41.876360327638

Divisors of 128778879

1, 3, 29, 87, 739, 2003, 2217, 6009, 21431, 58087, 64293, 174261, 1480217, 4440651, 42926293, 128778879

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 -128778878
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 128778879 can be divided by 16 positive divisors. The sum of these divisors (counting 128778879) is 1, the average is 0.0625.

Base conversion 128778879

Base System Value
2 Binary 111101011010000001001111111
3 Ternary 22222022122102010
4 Quaternary 13223100021333
5 Quinary 230431411004
6 Senary 20440102303
8 Octal 753201177
10 Decimal 128778879
12 Duodecimal 37164993
16 Hexadecimal 7ad027f
20 Vigesimal 204h73j
36 Base36 24o6f3

Cryptographic Hash Functions

md5 49f7db4f399e6c8392f8c18dfe96677b
sha1 8159312856309d9aff4e23e9fa909e6b9b4780d4
sha256 2c0ece9429c2aae970da74d4afcbce3c59e195b29a3510dc528b10b52a415c9e
sha512 a046df6dcdee85923195524ad250a64fffac343edbad1d1fb5ec20af1c701a39edf2d9999a97e5dd94b260d44c0d0108e377e384988f528147f32eee0aa33113
ripemd-160 67bd79f194995718ad6a5213535b925f61aa1941

128778879 as geometric shapes

Circle

Radius = n
Diameter 257557758
Circumference 809141560.40786
Area 5.2100171550817E+16

Sphere

Radius = n
Volume 8.9458689173626E+24
Surface area 2.0840068620327E+17
Circumference 809141560.40786

Square

Length = n
Perimeter 515115516
Area 16583999676496641
Diagonal 182120837.229

Cube

Length = n
Surface area 99503998058979846
Volume 2.1356688876756E+24
Space diagonal 223051561.36976

Equilateral Triangle

Length = n
Perimeter 386336637
Area 7.1810825080995E+15
Altitude 111525780.68488

Triangular Pyramid

Length = n
Surface area 7.1810825080995E+15
Volume 2.5169099214076E+23
Height 60706945.743001