1948988905 is an odd 10-digits composite number following 1948988904
and preceding 1948988906 . In scientific notation, it is written as 1.948988905 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 1559191120 positive integers (up to 1948988905) that are relatively prime to 1948988905.
1948988905 has 4 divisors, whose sum is 2338786692
The reverse of 1948988905 is 5098898491
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred forty-eight million nine hundred eighty-eight thousand nine hundred five
Scientific notation
1.948988905 × 10^9
Engineering notation
1.948988905 × 10^9
Prime Factorization
5 × 389797781
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1948988905 Product of the distinct prime numbers
The prime factorization of 1948988905 is 5 × 389797781.
Since it has a total of 2 prime factors.
8 , 9 , 41 , 56 , 940 , 372 , 585 , 828 , 70723 , 77813 , 270454 , 563110 , 35044 , 4760160 , 30523399 , 77881810 , 857968562 , 901109489 , 5711097926 , 6127060628
n×2
3897977810
n×3
5846966715
n×4
7795955620
n×5
9744944525
n÷2
974494452.5
n÷3
649662968.33333
n÷3
487247226.25
n÷5
389797781
n2
3798557751813099025
n3
7.4033469132855E+27
n4
1.4429040993859E+37
n5
2.8122040806822E+46
2 √n44147.354450748
3 √n1249.1170094757
4 √n210.11271844119
5 √n72.104417606266
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
-1948988904 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 1948988905 can be divided by 4 positive divisors.
The sum of these divisors (counting 1948988905) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100001010110011010111101001
3
Ternary
12000211100220011021
4
Quaternary
1310022303113221
5
Quinary
12442420121110
6
Senary
521221332441
8
Octal
16412632751
10
Decimal
1948988905
12
Duodecimal
464867121
16
Hexadecimal
742b35e9
20
Vigesimal
1a913c55
36
Base36
w8dlgp
md5
c6f00c4b6c8b604ddb20e953b3acf95e
sha1
fdb6a50dc5208bee9122b217e69dc7df7dcd03a1
sha256
d518725749085fc2d5df8fb572249652f6e18bbb454b8d145254e5b0babe8a09
sha512
52f340eaf3332fbd5bc18e16054f719b52521b00c2b68277d6fcca9d3524c070db51a3117854f12d55b41c8e2c6c4394d49d700d1aedd16577c40ad78bed52f4
ripemd-160
2407bcbefda78a11916ecbeb9a0811612c2c8378
Diameter
3897977810
Circumference
12245858451.752
Area
1.1933521127333E+19
Volume
3.1011067033006E+28
Surface area
4.773408450933E+19
Circumference
12245858451.752
Perimeter
7795955620
Area
3798557751813099025
Diagonal
2756286542.3657
Surface area
2.2791346510879E+19
Volume
7.4033469132855E+27
Space diagonal
3375747806.848
Perimeter
5846966715
Area
1.6448237554062E+18
Altitude
1687873903.424
Surface area
1.6448237554062E+18
Volume
8.7249280097678E+26
Height
918762180.78856