1938962991 is an odd 10-digits composite number following 1938962990
and preceding 1938962992 . In scientific notation, it is written as 1.938962991 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 1107742944 positive integers (up to 1938962991) that are relatively prime to 1938962991.
1938962991 has 8 divisors, whose sum is 2031727104
The reverse of 1938962991 is 1992698391
Previous prime number is 7757
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 sixty-two thousand nine hundred ninety-one
Scientific notation
1.938962991 × 10^9
Engineering notation
1.938962991 × 10^9
Prime Factorization
21 × 7757 × 11903
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1938962991 Product of the distinct prime numbers
The prime factorization of 1938962991 is 21 × 7757 × 11903.
Since it has a total of 3 prime factors.
2 , 3 , 67 , 59 , 647 , 715 , 7400 , 1881 , 49751 , 81456 , 142573 , 994127 , 5838539 , 464731 , 4566439 , 28060074 , 300534297 , 587524198 , 6549821066 , 5150896311
n×2
3877925982
n×3
5816888973
n×4
7755851964
n×5
9694814955
n÷2
969481495.5
n÷3
646320997
n÷3
484740747.75
n÷5
387792598.2
n2
3759577480467666081
n3
7.2896815964238E+27
n4
1.413442283164E+37
n5
2.7406122769695E+46
2 √n44033.657479251
3 √n1246.9714395969
4 √n209.84198216575
5 √n72.030081132849
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
-1938962990 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 1938962991 can be divided by 8 positive divisors.
The sum of these divisors (counting 1938962991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110011100100100011101000101111
3
Ternary
12000010111112012010
4
Quaternary
1303210203220233
5
Quinary
12432333303431
6
Senary
520222412303
8
Octal
16344435057
10
Decimal
1938962991
12
Duodecimal
461431093
16
Hexadecimal
73923a2f
20
Vigesimal
1a5ia79b
36
Base36
w2epf3
md5
bf3a4dd96e79a161b5610b59c9a47a0e
sha1
7eb82e59ffa824eabfe91480a4be12ce9e535ceb
sha256
1ef98e3ae7c74f2453264a0ae304616f698d6295cd1f5581e18992aa65a72e6e
sha512
fff18ef70ee38a769cfbf6bbc809a0cec6e5a27fff46f461e29c794cbe52890553a71e3a2c9f2adc5b37a2a4c6c852818f9090dd6c86d38ef517debdb2f7b4f2
ripemd-160
13615bb8886394e0bfd2d36f3329123582ad74aa
Diameter
3877925982
Circumference
12182863776.216
Area
1.1811060993239E+19
Volume
3.0534946867112E+28
Surface area
4.7244243972955E+19
Circumference
12182863776.216
Perimeter
7755851964
Area
3759577480467666081
Diagonal
2742107758.8117
Surface area
2.2557464882806E+19
Volume
7.2896815964238E+27
Space diagonal
3358382414.4077
Perimeter
5816888973
Area
1.6279448027904E+18
Altitude
1679191207.2039
Surface area
1.6279448027904E+18
Volume
8.5909721492034E+26
Height
914035919.6039