1218534128 is an even 10-digits composite number following 1218534127
and preceding 1218534129 . In scientific notation, it is written as 1.218534128 × 10^9.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 522228864 positive integers (up to 1218534128) that are relatively prime to 1218534128.
1218534128 has 20 divisors, whose sum is 2698182960
The reverse of 1218534128 is 8214358121
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion two hundred eighteen million five hundred thirty-four thousand one hundred twenty-eight
Scientific notation
1.218534128 × 10^9
Engineering notation
1.218534128 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 7 × 10879769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
152316766
Product of the distinct prime numbers
The prime factorization of 1218534128 is 2 × 2 × 2 × 2 × 7 × 10879769.
Since it has a total of 6 prime factors.
7 , 2 , 60 , 81 , 345 , 951 , 5133 , 3253 , 19491 , 19391 , 34597 , 591467 , 9114165 , 8304216 , 7994360 , 610640 , 939736464 , 8394724 , 4066092476 , 9248537557
n×2
2437068256
n×3
3655602384
n×4
4874136512
n×5
6092670640
n÷2
609267064
n÷3
406178042.66667
n÷3
304633532
n÷5
243706825.6
n2
1484825421100720384
n3
1.8093104497332E+27
n4
2.2047065311469E+36
n5
2.686510150427E+45
2 √n
34907.5081895
3 √n
1068.1016002134
4 √n
186.8355110505
5 √n
65.639843878526
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 10879769 , 21759538 , 43519076 , 76158383 , 87038152 , 152316766 , 174076304 , 304633532 , 609267064 , 1218534128
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1218534127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1218534128 can be divided by 20 positive divisors.
The sum of these divisors (counting 1218534128) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001000101000010101101011110000
3
Ternary
10010220212221120122
4
Quaternary
1020220111223300
5
Quinary
4443421043003
6
Senary
320525225412
8
Octal
11050255360
10
Decimal
1218534128
12
Duodecimal
2a0102268
16
Hexadecimal
48a15af0
20
Vigesimal
j0fgf68
36
Base36
k5hey8
md5
b5da7969725c1e5896a93b91dadf579e
sha1
6be971b44bb411e80fd2c4f694db32356466d37b
sha256
154d57aa57cb716ee37b4eac3f5861b9005668c8d51ffa8eff298f002ccb5e24
sha512
f81ee065f63a6ad7900033abd52512ef60579540971fca9a7a37dbbd4fb08f1e4af2317fe39ab4da5b9e5f8cdb9171f92bb18cf80230675a7b77535992601766
ripemd-160
f6a7a13075a18c68d2267b093097c78390026bbb
Diameter
2437068256
Circumference
7656275729.3465
Area
4.6647166347934E+18
Volume
7.5788218892601E+27
Surface area
1.8658866539174E+19
Circumference
7656275729.3465
Perimeter
4874136512
Area
1484825421100720384
Diagonal
1723267490.0321
Surface area
8908952526604322304
Volume
1.8093104497332E+27
Space diagonal
2110563020.4526
Perimeter
3655602384
Area
6.4294826742908E+17
Altitude
1055281510.2263
Surface area
6.4294826742908E+17
Volume
2.1322928137967E+26
Height
574422496.67736