1268638138 is an even 10-digits composite number following 1268638137
and preceding 1268638139 . In scientific notation, it is written as 1.268638138 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 628499520 positive integers (up to 1268638138) that are relatively prime to 1268638138.
1268638138 has 8 divisors, whose sum is 1920415860
The reverse of 1268638138 is 8318368621
Previous prime number is 109
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion two hundred sixty-eight million six hundred thirty-eight thousand one hundred thirty-eight
Scientific notation
1.268638138 × 10^9
Engineering notation
1.268638138 × 10^9
Prime Factorization
2 × 109 × 5819441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1268638138
Product of the distinct prime numbers
The prime factorization of 1268638138 is 2 × 109 × 5819441.
Since it has a total of 3 prime factors.
1 , 2 , 1 , 13 , 972 , 777 , 6199 , 2446 , 72719 , 75636 , 26992 , 131053 , 2158966 , 3130353 , 58140251 , 34857536 , 479345108 , 984800361 , 6726260810 , 8056908370
n×2
2537276276
n×3
3805914414
n×4
5074552552
n×5
6343190690
n÷2
634319069
n÷3
422879379.33333
n÷3
317159534.5
n÷5
253727627.6
n2
1609442725188107044
n3
2.0418004221003E+27
n4
2.5903058856609E+36
n5
3.2861608356353E+45
2 √n
35617.946852675
3 √n
1082.5449066917
4 √n
188.72717571318
5 √n
66.170977862906
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1268638137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1268638138 can be divided by 8 positive divisors.
The sum of these divisors (counting 1268638138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011100111011110000110111010
3
Ternary
10021102011111100201
4
Quaternary
1023213132012322
5
Quinary
10044232410023
6
Senary
325515152414
8
Octal
11347360672
10
Decimal
1268638138
12
Duodecimal
2b4a4570a
16
Hexadecimal
4b9de1ba
20
Vigesimal
jg8jf6i
36
Base36
kzbbga
md5
30c8575d4bddc235e5f6fabc039a0d1b
sha1
f5f5bce29b256246732caee3504b361d1ecb571c
sha256
5061c0f5f897d4e83f421fb5a8a2b0fd0e927449067e4356620501d7aaec6251
sha512
a22c54dc2decbaf29f649363bc89c5bcb4f0feda993a836030664b6eccb27a0fe94ab4af1582307697a59a9c955cc24da3dac1311c55fe2608223495f6706069
ripemd-160
effcce872159c9a446dd9310d4e29458a16078cf
Diameter
2537276276
Circumference
7971088508.8093
Area
5.0562134418245E+18
Volume
8.5526736082224E+27
Surface area
2.0224853767298E+19
Circumference
7971088508.8093
Perimeter
5074552552
Area
1609442725188107044
Diagonal
1794125260.5034
Surface area
9.6566563511286E+18
Volume
2.0418004221003E+27
Space diagonal
2197345711.4356
Perimeter
3805914414
Area
6.9690914297448E+17
Altitude
1098672855.7178
Surface area
6.9690914297448E+17
Volume
2.4062848738278E+26
Height
598041753.50112