128979071 (number)

128979071 is an odd 9-digits composite number following 128979070 and preceding 128979072. In scientific notation, it is written as 1.28979071 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 114220800 positive integers (up to 128979071) that are relatively prime to 128979071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28979071 × 10^8
Engineering notation 1.28979071 × 10^6

Prime Factorization of 128979071

Prime Factorization 13 × 2501 × 3967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128979071
Product of the distinct prime numbers

The prime factorization of 128979071 is 13 × 2501 × 3967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 75, 82, 569, 92, 6668, 3966, 64903, 91103, 948296, 426418, 6170401, 9438939, 30674120, 73960369, 400249364, 271302509, 7291611357, 9274732093

Basic calculations (n = 128979071)

Multiplication

n×y
n×2 257958142
n×3 386937213
n×4 515916284
n×5 644895355

Division

n÷y
n÷2 64489535.5
n÷3 42993023.666667
n÷3 32244767.75
n÷5 25795814.2

Exponentiation

ny
n2 16635600756023041
n3 2.1456443310387E+24
n4 2.7674321251379E+32
n5 3.5694082455585E+40

Nth Root

y√n
2√n 11356.895306377
3√n 505.25010778706
4√n 106.5687351261
5√n 41.889371940053

Divisors of 128979071

1, 13, 2501, 3967, 32513, 51571, 9921467, 128979071

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128979070
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128979071 can be divided by 8 positive divisors. The sum of these divisors (counting 128979071) is 1, the average is 0.125.

Base conversion 128979071

Base System Value
2 Binary 111101100000001000001111111
3 Ternary 22222200211000122
4 Quaternary 13230001001333
5 Quinary 231004312241
6 Senary 20444245155
8 Octal 754010177
10 Decimal 128979071
12 Duodecimal 372407bb
16 Hexadecimal 7b0107f
20 Vigesimal 20627db
36 Base36 24sgvz

Cryptographic Hash Functions

md5 ea48de7fd85dedb7c9e72191b3888518
sha1 95ba23222798c356964f0346dc52248fae084e70
sha256 f986e088a2da29ef6d82dc0710dfe7e1683e25b85140e8f842f011ea90d883eb
sha512 c1660828ad7012e576ceda1ac8608dea5caf53143ad7cde3fe70a96fd96b44f5b04291d03b6a1c3b5ec9ba1a39a52457a0ab114bb6c47db61683af8a55dc0573
ripemd-160 9a8295918a50b4756a80c5618dabf0a14341a8b9

128979071 as geometric shapes

Circle

Radius = n
Diameter 257958142
Circumference 810399403.84087
Area 5.2262281123175E+16

Sphere

Radius = n
Volume 8.9876539568106E+24
Surface area 2.090491244927E+17
Circumference 810399403.84087

Square

Length = n
Perimeter 515916284
Area 16635600756023041
Diagonal 182403951.47048

Cube

Length = n
Surface area 99813604536138246
Volume 2.1456443310387E+24
Space diagonal 223398304.08503

Equilateral Triangle

Length = n
Perimeter 386937213
Area 7.2034264309658E+15
Altitude 111699152.04252

Triangular Pyramid

Length = n
Surface area 7.2034264309658E+15
Volume 2.5286660941533E+23
Height 60801317.156827