1938898091 is an odd 10-digits composite number following 1938898090
and preceding 1938898092 . In scientific notation, it is written as 1.938898091 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1711936512 positive integers (up to 1938898091) that are relatively prime to 1938898091.
1938898091 has 8 divisors, whose sum is 2178828960
The reverse of 1938898091 is 1908988391
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred thirty-eight million eight hundred ninety-eight thousand ninety-one
Scientific notation
1.938898091 × 10^9
Engineering notation
1.938898091 × 10^9
Prime Factorization
13 × 23 × 6484609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1938898091
Product of the distinct prime numbers
The prime factorization of 1938898091 is 13 × 23 × 6484609.
Since it has a total of 3 prime factors.
7 , 2 , 85 , 71 , 581 , 347 , 1673 , 9207 , 54062 , 35018 , 565412 , 860360 , 8521226 , 2608660 , 95569615 , 14791583 , 167472974 , 74648622 , 3482566080 , 3283597029
n×2
3877796182
n×3
5816694273
n×4
7755592364
n×5
9694490455
n÷2
969449045.5
n÷3
646299363.66667
n÷3
484724522.75
n÷5
387779618.2
n2
3759325807283444281
n3
7.2889496311889E+27
n4
1.4132530525307E+37
n5
2.7401536456518E+46
2 √n
44032.920536798
3 √n
1246.9575267735
4 √n
209.84022621223
5 √n
72.029598935419
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
-1938898090
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 1938898091 can be divided by 8 positive divisors.
The sum of these divisors (counting 1938898091) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110011100100010011110010101011
3
Ternary
12000010101020011102
4
Quaternary
1303210103302223
5
Quinary
12432324214331
6
Senary
520221152015
8
Octal
16344236253
10
Decimal
1938898091
12
Duodecimal
4613bb60b
16
Hexadecimal
73913cab
20
Vigesimal
1a5i254b
36
Base36
w2dbcb
md5
23805f7cc5526fe217a0cac9e1b4e119
sha1
8648294e27d0c2be7acae84c537f43dd290102b2
sha256
21d04e1dcaece6bae38dfa2a3f52e379d85c81860c6a978d588060e228a0f41a
sha512
f5ce112ece5df7f75e2d539bd6dc9109160d056f011407b7a4b44ddf5d296cbe1de2e5d232d27c08b224fd39d486698951c1d2d4ff6519d64de4c52565e5dc59
ripemd-160
c4c883cc9c5f685cefa3fb222433dfead5ff7d0d
Diameter
3877796182
Circumference
12182455997.49
Area
1.1810270338612E+19
Volume
3.0531880818305E+28
Surface area
4.7241081354449E+19
Circumference
12182455997.49
Perimeter
7755592364
Area
3759325807283444281
Diagonal
2742015976.3515
Surface area
2.2555954843701E+19
Volume
7.2889496311889E+27
Space diagonal
3358270004.3103
Perimeter
5816694273
Area
1.627835825105E+18
Altitude
1679135002.1552
Surface area
1.627835825105E+18
Volume
8.5901095199014E+26
Height
914005325.4505