1990390846 is an even 10-digits composite number following 1990390845
and preceding 1990390847 . In scientific notation, it is written as 1.990390846 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 995195422 positive integers (up to 1990390846) that are relatively prime to 1990390846.
1990390846 has 4 divisors, whose sum is 2985586272
The reverse of 1990390846 is 6480930991
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred ninety million three hundred ninety thousand eight hundred forty-six
Scientific notation
1.990390846 × 10^9
Engineering notation
1.990390846 × 10^9
Prime Factorization
2 × 995195423
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1990390846 Product of the distinct prime numbers
The prime factorization of 1990390846 is 2 × 995195423.
Since it has a total of 2 prime factors.
3 , 9 , 81 , 75 , 7 , 129 , 5195 , 7728 , 85565 , 14739 , 844541 , 227616 , 9650187 , 4454219 , 87016523 , 73032789 , 776308542 , 137625666 , 9852227473 , 3456144822
n×2
3980781692
n×3
5971172538
n×4
7961563384
n×5
9951954230
n÷2
995195423
n÷3
663463615.33333
n÷3
497597711.5
n÷5
398078169.2
n2
3961655719840595716
n3
7.8852432797743E+27
n4
1.5694716042546E+37
n5
3.1238619141652E+46
2 √n44613.796588051
3 √n1257.9000137902
4 √n211.21978266264
5 √n72.4081869403
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
-1990390845 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 1990390846 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990390846) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000101111010000111110
3
Ternary
12010201021022221111
4
Quaternary
1312220233100332
5
Quinary
13034020001341
6
Senary
525300552234
8
Octal
16650572076
10
Decimal
1990390846
12
Duodecimal
4766b267a
16
Hexadecimal
76a2f43e
20
Vigesimal
1b1jih26
36
Base36
wx0zem
md5
0a0c465af8f0520440f9573f1fb1392a
sha1
10f004a24c11d80c3a6f276478f79ae3e6bcf98b
sha256
ad34dbc90cd3acdf5063e9745b6ac497cf3cb1051424b668a97c9a7e6d6647e8
sha512
171ce9c90c0d65dc866bd4da453f2b2966f1b9ce44c91aa049e88f9d6be7c43e7f257e5efc9a5d4a44400ad5ce45af98b5f6323f0e25d5c7bb4a1c391547dfbd
ripemd-160
782236310729b4199114c6dd8378ce189dbf4e1d
Diameter
3980781692
Circumference
12505994519.132
Area
1.2445908505503E+19
Volume
3.3029629812676E+28
Surface area
4.9783634022013E+19
Circumference
12505994519.132
Perimeter
7961563384
Area
3961655719840595716
Diagonal
2814837728.8365
Surface area
2.3769934319044E+19
Volume
7.8852432797743E+27
Space diagonal
3447458072.192
Perimeter
5971172538
Area
1.7154472472149E+18
Altitude
1723729036.096
Surface area
1.7154472472149E+18
Volume
9.2928483240567E+26
Height
938279242.94549