128220291 (number)

128220291 is an odd 9-digits composite number following 128220290 and preceding 128220292. In scientific notation, it is written as 1.28220291 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 84913200 positive integers (up to 128220291) that are relatively prime to 128220291.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred twenty thousand two hundred ninety-one

Notation

Scientific notation 1.28220291 × 10^8
Engineering notation 1.28220291 × 10^6

Prime Factorization of 128220291

Prime Factorization 9 × 151 × 94349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128220291
Product of the distinct prime numbers

The prime factorization of 128220291 is 9 × 151 × 94349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 25, 35, 888, 286, 9265, 7141, 2384, 69947, 599224, 53766, 1106123, 2037543, 66189452, 1100175, 166590561, 535393647, 8939454873, 1280559912

Basic calculations (n = 128220291)

Multiplication

n×y
n×2 256440582
n×3 384660873
n×4 512881164
n×5 641101455

Division

n÷y
n÷2 64110145.5
n÷3 42740097
n÷3 32055072.75
n÷5 25644058.2

Exponentiation

ny
n2 16440443024124681
n3 2.1079983887222E+24
n4 2.7028816682949E+32
n5 3.4656427404734E+40

Nth Root

y√n
2√n 11323.439892541
3√n 504.25736807996
4√n 106.41165299224
5√n 41.839968764562

Divisors of 128220291

1, 9, 151, 1359, 94349, 849141, 14246699, 128220291

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 -128220290
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 128220291 can be divided by 8 positive divisors. The sum of these divisors (counting 128220291) is 1, the average is 0.125.

Base conversion 128220291

Base System Value
2 Binary 111101001000111110010000011
3 Ternary 22221021021011200
4 Quaternary 13221013302003
5 Quinary 230311022131
6 Senary 20420112243
8 Octal 751076203
10 Decimal 128220291
12 Duodecimal 36b35683
16 Hexadecimal 7a47c83
20 Vigesimal 2017aeb
36 Base36 24c7er

Cryptographic Hash Functions

md5 6080ce6e8f80afb20f86ef9584a32555
sha1 bcafc0937c8b606fb08684a1e627873ab60b8c67
sha256 6a32753fe143b5b7e870fdd374f0d57bd5aa6986caf1b1c353bedc8091b7ff95
sha512 66ac5279dca7b08df430c9b3d711cfdfff97afc2eeacb648c70a122b7e4f3e1cd5dc14f3ea6241e567d9f0ec0ce499b596fa82494f9883d49f30a0feb4a0fb07
ripemd-160 41ffbddcdaa04e8714120ca9226e1790cecd00c5

128220291 as geometric shapes

Circle

Radius = n
Diameter 256440582
Circumference 805631848.49349
Area 5.1649175026352E+16

Sphere

Radius = n
Volume 8.829963002385E+24
Surface area 2.0659670010541E+17
Circumference 805631848.49349

Square

Length = n
Perimeter 512881164
Area 16440443024124681
Diagonal 181330874.50362

Cube

Length = n
Surface area 98642658144748086
Volume 2.1079983887222E+24
Space diagonal 222084058.57327

Equilateral Triangle

Length = n
Perimeter 384660873
Area 7.1189206541813E+15
Altitude 111042029.28663

Triangular Pyramid

Length = n
Surface area 7.1189206541813E+15
Volume 2.4842999256596E+23
Height 60443624.834542