1900161921 is an odd 10-digits composite number following 1900161920
and preceding 1900161922 . In scientific notation, it is written as 1.900161921 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 1085548800 positive integers (up to 1900161921) that are relatively prime to 1900161921.
1900161921 has 8 divisors, whose sum is 1991118888
The reverse of 1900161921 is 1291610091
Previous prime number is 5741
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
one billion nine hundred million one hundred sixty-one thousand nine hundred twenty-one
Scientific notation
1.900161921 × 10^9
Engineering notation
1.900161921 × 10^9
Prime Factorization
21 × 5741 × 15761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1900161921
Product of the distinct prime numbers
The prime factorization of 1900161921 is 21 × 5741 × 15761.
Since it has a total of 3 prime factors.
3 , 7 , 46 , 57 , 776 , 61 , 1297 , 1954 , 71029 , 6918 , 720250 , 410211 , 793104 , 7766093 , 15773824 , 5537170 , 135436615 , 41004007 , 9072110553 , 8842717039
n×2
3800323842
n×3
5700485763
n×4
7600647684
n×5
9500809605
n÷2
950080960.5
n÷3
633387307
n÷3
475040480.25
n÷5
380032384.2
n2
3610615326018410241
n3
6.8607537538792E+27
n4
1.3036543032479E+37
n5
2.4771542651795E+46
2 √n
43590.846757089
3 √n
1238.5975127099
4 √n
208.7842109861
5 √n
71.739463107682
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
-1900161920
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 1900161921 can be divided by 8 positive divisors.
The sum of these divisors (counting 1900161921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001010000100010101110000001
3
Ternary
11220102111020010110
4
Quaternary
1301100202232001
5
Quinary
12342420140141
6
Senary
512315021533
8
Octal
16120425601
10
Decimal
1900161921
12
Duodecimal
45043a8a9
16
Hexadecimal
71422b81
20
Vigesimal
19dg04g1
36
Base36
vfb2bl
md5
6428f2672320c9b70ed8ad452a3e44e4
sha1
ff4558de88948b0a8fd24902a1531acd4a6e3442
sha256
28c2fc516ca75d9712248505dfd64ddd4a746c94957f0dabb7caf3c309c8d452
sha512
8fb7b0691f010ed748605f1ba36d5f295e02943e7bdf448e0b097a6e49a5abc72ac2e7d80050ebd7a511b56b8898c41418344778b3f959118d681653ab0f00c1
ripemd-160
b291a6bbe6ce1d2ea0fec3444e911d9690f32c8b
Diameter
3800323842
Circumference
11939069463.289
Area
1.1343082583158E+19
Volume
2.8738258121701E+28
Surface area
4.5372330332633E+19
Circumference
11939069463.289
Perimeter
7600647684
Area
3610615326018410241
Diagonal
2687234759.3831
Surface area
2.166369195611E+19
Volume
6.8607537538792E+27
Space diagonal
3291176989.7797
Perimeter
5700485763
Area
1.5634422978127E+18
Altitude
1645588494.8898
Surface area
1.5634422978127E+18
Volume
8.0854758390317E+26
Height
895744919.79437