128871020 (number)

128871020 is an even 9-digits composite number following 128871019 and preceding 128871021. In scientific notation, it is written as 1.28871020 × 10^8. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 51548400 positive integers (up to 128871020) that are relatively prime to 128871020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28871020 × 10^8
Engineering notation 1.28871020 × 10^6

Prime Factorization of 128871020

Prime Factorization 2 × 2 × 5 × 6443551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64435510
Product of the distinct prime numbers

The prime factorization of 128871020 is 2 × 2 × 5 × 6443551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 1, 64, 593, 357, 7974, 1476, 44681, 51259, 988042, 949068, 907893, 7137045, 7696182, 34141425, 175770077, 965920258, 2761033216, 7822856366

Basic calculations (n = 128871020)

Multiplication

n×y
n×2 257742040
n×3 386613060
n×4 515484080
n×5 644355100

Division

n÷y
n÷2 64435510
n÷3 42957006.666667
n÷3 32217755
n÷5 25774204

Exponentiation

ny
n2 16607739795840400
n3 2.1402563673845E+24
n4 2.7581702112634E+32
n5 3.5544820845913E+40

Nth Root

y√n
2√n 11352.137243709
3√n 505.10897886608
4√n 106.54640887289
5√n 41.882351101766

Divisors of 128871020

1, 2, 4, 5, 10, 20, 6443551, 12887102, 25774204, 32217755, 64435510, 128871020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128871019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128871020 can be divided by 12 positive divisors. The sum of these divisors (counting 128871020) is 1, the average is 0.083333333333333.

Base conversion 128871020

Base System Value
2 Binary 111101011100110101001101100
3 Ternary 22222111022210202
4 Quaternary 13223212221230
5 Quinary 230442333040
6 Senary 20442053032
8 Octal 753465154
10 Decimal 128871020
12 Duodecimal 371aa178
16 Hexadecimal 7ae6a6c
20 Vigesimal 2058hb0
36 Base36 24q5ik

Cryptographic Hash Functions

md5 3256b5426568a1c7848a9375f2728adb
sha1 f3b59a15fab83d233df807f9d44858f2c1baa774
sha256 c5eb4e75d10dc38f74879878d922bea547ac6624a9e7f16d5b1631842e9ea24c
sha512 1246c0e50519caf2940e0e46b06ac67cd0951b53acde668dfcd49cc4907e373107740ea0e248744970beef3e0a680c852c5e7b0fd0f8faf13d5f29711d7d5c15
ripemd-160 c6fa6f9c145c3a2bda637d928d65224e64866e06

128871020 as geometric shapes

Circle

Radius = n
Diameter 257742040
Circumference 809720499.38525
Area 5.2174753335343E+16

Sphere

Radius = n
Volume 8.9650849074321E+24
Surface area 2.0869901334137E+17
Circumference 809720499.38525

Square

Length = n
Perimeter 515484080
Area 16607739795840400
Diagonal 182251144.28085

Cube

Length = n
Surface area 99646438775042400
Volume 2.1402563673845E+24
Space diagonal 223211154.26322

Equilateral Triangle

Length = n
Perimeter 386613060
Area 7.1913622813198E+15
Altitude 111605577.13161

Triangular Pyramid

Length = n
Surface area 7.1913622813198E+15
Volume 2.5223163180922E+23
Height 60750381.426951