1938991097 is an odd 10-digits composite number following 1938991096
and preceding 1938991098 . In scientific notation, it is written as 1.938991097 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1828842624 positive integers (up to 1938991097) that are relatively prime to 1938991097.
1938991097 has 8 divisors, whose sum is 2050039200
The reverse of 1938991097 is 7901998391
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred thirty-eight million nine hundred ninety-one thousand ninety-seven
Scientific notation
1.938991097 × 10^9
Engineering notation
1.938991097 × 10^9
Prime Factorization
19 × 227 × 449569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1938991097
Product of the distinct prime numbers
The prime factorization of 1938991097 is 19 × 227 × 449569.
Since it has a total of 3 prime factors.
3 , 1 , 68 , 72 , 423 , 655 , 351 , 5585 , 60629 , 54575 , 387403 , 294220 , 571415 , 4167585 , 26203772 , 27094721 , 311918570 , 869911210 , 4272962054 , 7004971853
n×2
3877982194
n×3
5816973291
n×4
7755964388
n×5
9694955485
n÷2
969495548.5
n÷3
646330365.66667
n÷3
484747774.25
n÷5
387798219.4
n2
3759686474245263409
n3
7.2899986010729E+27
n4
1.4135242384623E+37
n5
2.7408109137721E+46
2 √n
44033.976620333
3 √n
1246.9774646749
4 √n
209.84274259629
5 √n
72.030289952278
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
-1938991096
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 1938991097 can be divided by 8 positive divisors.
The sum of these divisors (counting 1938991097) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110011100100101010011111111001
3
Ternary
12000010112221202002
4
Quaternary
1303210222133321
5
Quinary
12432340203342
6
Senary
520223150345
8
Octal
16344523771
10
Decimal
1938991097
12
Duodecimal
4614453b5
16
Hexadecimal
7392a7f9
20
Vigesimal
1a5idheh
36
Base36
w2fb3t
md5
9786c4d8b068e0fe3781dd90183ef273
sha1
e872e3d6167840ab5fa745840cdd2064a3f69ffc
sha256
d93c228a664f7be240ad4a0891c9b114880c86dae93e1940e19cd92ec47b4ecb
sha512
05ef0c964946de060eaa9023ebbd13cd8225bb0a34835a95b29394d0d2af49ef0f107252600c81fa55f7276997433daf6182ca029d33b899e4b646f6cfdfe534
ripemd-160
f75026c6dc1ddb1105d3d5ab77c1a3992384a33f
Diameter
3877982194
Circumference
12183040371.422
Area
1.181140340729E+19
Volume
3.0536274733081E+28
Surface area
4.7245613629159E+19
Circumference
12183040371.422
Perimeter
7755964388
Area
3759686474245263409
Diagonal
2742147506.6981
Surface area
2.2558118845472E+19
Volume
7.2899986010729E+27
Space diagonal
3358431095.4277
Perimeter
5816973291
Area
1.6279919984806E+18
Altitude
1679215547.7139
Surface area
1.6279919984806E+18
Volume
8.5913457427651E+26
Height
914049168.89936