128522871 (number)

128522871 is an odd 9-digits composite number following 128522870 and preceding 128522872. In scientific notation, it is written as 1.28522871 × 10^8. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 85681908 positive integers (up to 128522871) that are relatively prime to 128522871.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-two thousand eight hundred seventy-one

Notation

Scientific notation 1.28522871 × 10^8
Engineering notation 1.28522871 × 10^6

Prime Factorization of 128522871

Prime Factorization 9 × 14280319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128522871
Product of the distinct prime numbers

The prime factorization of 128522871 is 9 × 14280319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128522871)

Multiplication

n×y
n×2 257045742
n×3 385568613
n×4 514091484
n×5 642614355

Division

n÷y
n÷2 64261435.5
n÷3 42840957
n÷3 32130717.75
n÷5 25704574.2

Exponentiation

ny
n2 16518128370082641
n3 2.1229572816696E+24
n4 2.7284856485053E+32
n5 3.506728090282E+40

Nth Root

y√n
2√n 11336.792800435
3√n 504.65371286558
4√n 106.47437626225
5√n 41.859697318205

Divisors of 128522871

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128522870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128522871 can be divided by 4 positive divisors. The sum of these divisors (counting 128522871) is 1, the average is 0.25.

Base conversion 128522871

Base System Value
2 Binary 111101010010001101001110111
3 Ternary 22221211122020100
4 Quaternary 13222101221313
5 Quinary 230400212441
6 Senary 20430405143
8 Octal 752215167
10 Decimal 128522871
12 Duodecimal 370607b3
16 Hexadecimal 7a91a77
20 Vigesimal 203573b
36 Base36 24iovr

Cryptographic Hash Functions

md5 ec04ed9257541517b5f0698781e4cbe0
sha1 2e24751376ff074aa99911f4d1badb46ca44a465
sha256 eb7028ae44548d99e5fba4642bbbb39ed2b48091313f84080bcac02b58b2fca1
sha512 c02113c04cdb994508aa40597bd32291b6f72393498d6deb1b9d28e78bb439ce76b2d705bc04c3e48fe5bdcb622644a1fb1ddbe36e01128918568901de6d7461
ripemd-160 98511f2f7823699b40bcd36dd10193280aadb2f7

128522871 as geometric shapes

Circle

Radius = n
Diameter 257045742
Circumference 807533014.70374
Area 5.1893230738505E+16

Sphere

Radius = n
Volume 8.8926226666374E+24
Surface area 2.0757292295402E+17
Circumference 807533014.70374

Square

Length = n
Perimeter 514091484
Area 16518128370082641
Diagonal 181758787.24333

Cube

Length = n
Surface area 99108770220495846
Volume 2.1229572816696E+24
Space diagonal 222608142.50662

Equilateral Triangle

Length = n
Perimeter 385568613
Area 7.152559395732E+15
Altitude 111304071.25331

Triangular Pyramid

Length = n
Surface area 7.152559395732E+15
Volume 2.5019291500632E+23
Height 60586262.414443