1938996921 is an odd 10-digits composite number following 1938996920
and preceding 1938996922 . In scientific notation, it is written as 1.938996921 × 10^9.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 1292664612 positive integers (up to 1938996921) that are relatively prime to 1938996921.
1938996921 has 4 divisors, whose sum is 2585329232
The reverse of 1938996921 is 1296998391
Previous prime number is 3
Is Prime? no Number parity odd Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred thirty-eight million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
1.938996921 × 10^9
Engineering notation
1.938996921 × 10^9
Prime Factorization
3 × 646332307
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1938996921 Product of the distinct prime numbers
The prime factorization of 1938996921 is 3 × 646332307.
Since it has a total of 2 prime factors.
10 , 2 , 39 , 75 , 894 , 36 , 2791 , 5012 , 1055 , 10615 , 157910 , 99103 , 9327196 , 1339251 , 61290836 , 46112465 , 634084969 , 780206116 , 8864051347 , 9453358826
n×2
3877993842
n×3
5816990763
n×4
7755987684
n×5
9694984605
n÷2
969498460.5
n÷3
646332307
n÷3
484749230.25
n÷5
387799384.2
n2
3759709059647480241
n3
7.2900642905123E+27
n4
1.4135412213195E+37
n5
2.7408520758452E+46
2 √n44034.042751035
3 √n1246.9787131575
4 √n209.84290016828
5 √n72.030333222606
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1938996920 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1938996921 can be divided by 4 positive divisors.
The sum of these divisors (counting 1938996921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110011100100101011111010111001
3
Ternary
12000010120020201210
4
Quaternary
1303210223322321
5
Quinary
12432340400141
6
Senary
520223233333
8
Octal
16344537271
10
Decimal
1938996921
12
Duodecimal
461448849
16
Hexadecimal
7392beb9
20
Vigesimal
1a5iec61
36
Base36
w2ffll
md5
dea084f19f1f04d5ed5a9fad1c616e99
sha1
289d0e8911ae0c7c02f818984e21b26ca7f12a7f
sha256
9c7c09bcef0b42d6c552e813563f2f680a9ad61a2af5b2cee214e09202859b17
sha512
eabe90fbd9742d43236cfb02ef260487317189f1cfe615d1e2e3b2351499f7fbaeafd496035bb8f183abea1eb6a9d8a31146866c2dde0c1215f4911c53f3519f
ripemd-160
164a54731de280fa23fdcf3ea919abaa6b7c8936
Diameter
3877993842
Circumference
12183076964.694
Area
1.1811474361424E+19
Volume
3.0536549892361E+28
Surface area
4.7245897445694E+19
Circumference
12183076964.694
Perimeter
7755987684
Area
3759709059647480241
Diagonal
2742155743.0779
Surface area
2.2558254357885E+19
Volume
7.2900642905123E+27
Space diagonal
3358441182.8916
Perimeter
5816990763
Area
1.6280017782466E+18
Altitude
1679220591.4458
Surface area
1.6280017782466E+18
Volume
8.5914231585119E+26
Height
914051914.35929