1218994038 is an even 10-digits composite number following 1218994037
and preceding 1218994039 . In scientific notation, it is written as 1.218994038 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 402668760 positive integers (up to 1218994038) that are relatively prime to 1218994038.
1218994038 has 24 divisors, whose sum is 2050016760
The reverse of 1218994038 is 8304998121
Previous prime number is 719
Is Prime? no
Number parity even
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion two hundred eighteen million nine hundred ninety-four thousand thirty-eight
Scientific notation
1.218994038 × 10^9
Engineering notation
1.218994038 × 10^9
Prime Factorization
2 × 9 × 131 × 719 × 719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1695402
Product of the distinct prime numbers
The prime factorization of 1218994038 is 2 × 9 × 131 × 719 × 719.
Since it has a total of 5 prime factors.
6 , 2 , 99 , 99 , 190 , 651 , 6318 , 967 , 79575 , 23027 , 359211 , 518432 , 1974569 , 9932088 , 57238306 , 30795360 , 910976141 , 109203273 , 4553876797 , 9907637097
n×2
2437988076
n×3
3656982114
n×4
4875976152
n×5
6094970190
n÷2
609497019
n÷3
406331346
n÷3
304748509.5
n÷5
243798807.6
n2
1485946464679545444
n3
1.8113598812315E+27
n4
2.2080368958936E+36
n5
2.6915838117784E+45
2 √n
34914.095119307
3 √n
1068.2359607829
4 √n
186.85313783639
5 √n
65.644798005513
1 , 2 , 9 , 18 , 131 , 262 , 719 , 1179 , 1438 , 2358 , 6471 , 12942 , 94189 , 188378 , 516961 , 847701 , 1033922 , 1695402 , 4652649 , 9305298 , 67721891 , 135443782 , 609497019 , 1218994038
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1218994037
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1218994038 can be divided by 24 positive divisors.
The sum of these divisors (counting 1218994038) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000101010000101111101110110
3
Ternary
10010221202022110100
4
Quaternary
1020222011331312
5
Quinary
4444030302123
6
Senary
320543134530
8
Octal
11052057566
10
Decimal
1218994038
12
Duodecimal
2a02a4446
16
Hexadecimal
48a85f76
20
Vigesimal
j0ie51i
36
Base36
k5r9ti
md5
e09c0e104c698bdc3097ad8b2351a988
sha1
eb2f62c6ac94856fb632498801fdc24e2c59432c
sha256
1b27b67e8c326e2a1069129137c1970cb93dc4e477b0a771756006885834fe69
sha512
fc857741a7b033a18fda20a55bb66b3b148b88b18b5caea95fa8f59a3f5403e8d01a75bde7909a4adf7b2cf877731e035a111377102dd67424fbc9158bf0c59e
ripemd-160
f13f30a5e052f9ce366371b810b3ea98af29a7fe
Diameter
2437988076
Circumference
7659165429.1011
Area
4.668238497065E+18
Volume
7.5874065278457E+27
Surface area
1.867295398826E+19
Circumference
7659165429.1011
Perimeter
4875976152
Area
1485946464679545444
Diagonal
1723917900.9915
Surface area
8915678788077272664
Volume
1.8113598812315E+27
Space diagonal
2111359607.9395
Perimeter
3656982114
Area
6.4343369353808E+17
Altitude
1055679803.9698
Surface area
6.4343369353808E+17
Volume
2.1347080919801E+26
Height
574639300.33051