1211389638 is an even 10-digits composite number following 1211389637
and preceding 1211389639 . In scientific notation, it is written as 1.211389638 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 380043776 positive integers (up to 1211389638) that are relatively prime to 1211389638.
1211389638 has 16 divisors, whose sum is 2565295920
The reverse of 1211389638 is 8369831121
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion two hundred eleven million three hundred eighty-nine thousand six hundred thirty-eight
Scientific notation
1.211389638 × 10^9
Engineering notation
1.211389638 × 10^9
Prime Factorization
2 × 3 × 17 × 11876369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1211389638
Product of the distinct prime numbers
The prime factorization of 1211389638 is 2 × 3 × 17 × 11876369.
Since it has a total of 4 prime factors.
3 , 9 , 59 , 69 , 203 , 131 , 8147 , 9781 , 52764 , 181 , 317111 , 829766 , 6659256 , 308383 , 62440236 , 44759710 , 883865676 , 157894409 , 9907870446 , 2475016453
n×2
2422779276
n×3
3634168914
n×4
4845558552
n×5
6056948190
n÷2
605694819
n÷3
403796546
n÷3
302847409.5
n÷5
242277927.6
n2
1467464855053771044
n3
1.7776717195413E+27
n4
2.153453100818E+36
n5
2.6086707722499E+45
2 √n
34805.02317195
3 √n
1066.0100149599
4 √n
186.56104409
5 √n
65.562691022555
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 11876369 , 23752738 , 35629107 , 71258214 , 201898273 , 403796546 , 605694819 , 1211389638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1211389637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1211389638 can be divided by 16 positive divisors.
The sum of these divisors (counting 1211389638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000001101000101011011000110
3
Ternary
10010102102222011220
4
Quaternary
1020031011123012
5
Quinary
4440103432023
6
Senary
320112141210
8
Octal
11015053306
10
Decimal
1211389638
12
Duodecimal
299837806
16
Hexadecimal
483456c6
20
Vigesimal
iib3e1i
36
Base36
k18a86
md5
d9ce4b487564c4c9dbe4dbd46e1566f7
sha1
a98e66f40f43b2d0e35eedef35cd63b3317ad97e
sha256
96170d4d12116967e16a2df26da453e5d3e2e518d27c63fa793d5d48fb3cbb6e
sha512
053e2acda8504f86235e7deba5123c2111f435c07882a32636afa6243f16bed0958c20c8fe9030e640ac8e9b75f8d8e1ea69f7a8bf3104f15c8248e68b078b1a
ripemd-160
831d9757751b8dda7563d5b33cdc953d2cb1718c
Diameter
2422779276
Circumference
7611385574.7512
Area
4.6101768080381E+18
Volume
7.4462938861404E+27
Surface area
1.8440707232153E+19
Circumference
7611385574.7512
Perimeter
4845558552
Area
1467464855053771044
Diagonal
1713163655.3778
Surface area
8804789130322626264
Volume
1.7776717195413E+27
Space diagonal
2098188400.7785
Perimeter
3634168914
Area
6.3543092181871E+17
Altitude
1049094200.3892
Surface area
6.3543092181871E+17
Volume
2.0950062126854E+26
Height
571054551.79261