1938804921 is an odd 10-digits composite number following 1938804920
and preceding 1938804922 . In scientific notation, it is written as 1.938804921 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 1255474080 positive integers (up to 1938804921) that are relatively prime to 1938804921.
1938804921 has 24 divisors, whose sum is 2881055424
The reverse of 1938804921 is 1294088391
Previous prime number is 9227
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion nine hundred thirty-eight million eight hundred four thousand nine hundred twenty-one
Scientific notation
1.938804921 × 10^9
Engineering notation
1.938804921 × 10^9
Prime Factorization
3 × 3 × 37 × 9227 × 631
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
646268307 Product of the distinct prime numbers
The prime factorization of 1938804921 is 3 × 3 × 37 × 9227 × 631.
Since it has a total of 5 prime factors.
4 , 6 , 74 , 77 , 632 , 726 , 9700 , 1492 , 5924 , 26995 , 536474 , 908864 , 3860650 , 2593085 , 55316297 , 56224335 , 553561207 , 299415352 , 2290475625 , 8742235973
n×2
3877609842
n×3
5816414763
n×4
7755219684
n×5
9694024605
n÷2
969402460.5
n÷3
646268307
n÷3
484701230.25
n÷5
387760984.2
n2
3758964521693816241
n3
7.2878989125244E+27
n4
1.4129814275353E+37
n5
2.739495344987E+46
2 √n44031.862565647
3 √n1246.9375530756
4 √n209.83770530018
5 √n72.028906673483
1 , 3 , 9 , 37 , 111 , 333 , 631 , 1893 , 5679 , 9227 , 23347 , 27681 , 70041 , 83043 , 210123 , 341399 , 1024197 , 3072591 , 5822237 , 17466711 , 52400133 , 215422769 , 646268307 , 1938804921
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1938804920 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1938804921 can be divided by 24 positive divisors.
The sum of these divisors (counting 1938804921) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110011100011111101000010111001
3
Ternary
12000010012111100200
4
Quaternary
1303203331002321
5
Quinary
12432313224141
6
Senary
520215152413
8
Octal
16343750271
10
Decimal
1938804921
12
Duodecimal
461375709
16
Hexadecimal
738fd0b9
20
Vigesimal
1a5hac61
36
Base36
w2bbg9
md5
27f5645069d38a07484d40f54de27310
sha1
83b19bf1cb174f93bfefc8248d2d6699bc913985
sha256
62c38fcd4c2478f6534208f66dffca56e9cf10eb6c61ea4e90284b6bb06aaeca
sha512
88f32d2fcd1d57e014c176a83c47549fa3d3a7ea2ce4b0deec360bfdaeffd9446f2eea52c126203bd2f9ce17add9e8eacdd879b14470cd93f02e3011bee9a453
ripemd-160
3a6ccc17634fd999cd3e864740037302e91b44bb
Diameter
3877609842
Circumference
12181870593.115
Area
1.1809135326458E+19
Volume
3.0527479578256E+28
Surface area
4.7236541305832E+19
Circumference
12181870593.115
Perimeter
7755219684
Area
3758964521693816241
Diagonal
2741884214.0739
Surface area
2.2553787130163E+19
Volume
7.2878989125244E+27
Space diagonal
3358108629.1366
Perimeter
5816414763
Area
1.6276793838556E+18
Altitude
1679054314.5683
Surface area
1.6276793838556E+18
Volume
8.5888712360801E+26
Height
913961404.6913