1990494913 is an odd 10-digits composite number following 1990494912
and preceding 1990494914 . In scientific notation, it is written as 1.990494913 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1800445680 positive integers (up to 1990494913) that are relatively prime to 1990494913.
1990494913 has 8 divisors, whose sum is 2182363200
The reverse of 1990494913 is 3194940991
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety million four hundred ninety-four thousand nine hundred thirteen
Scientific notation
1.990494913 × 10^9
Engineering notation
1.990494913 × 10^9
Prime Factorization
11 × 199 × 909317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990494913
Product of the distinct prime numbers
The prime factorization of 1990494913 is 11 × 199 × 909317.
Since it has a total of 3 prime factors.
7 , 3 , 38 , 68 , 697 , 918 , 7473 , 6741 , 4006 , 76053 , 921042 , 399733 , 1275776 , 4911661 , 83898212 , 70963921 , 947570977 , 866079041 , 5607795946 , 3874730308
n×2
3980989826
n×3
5971484739
n×4
7961979652
n×5
9952474565
n÷2
995247456.5
n÷3
663498304.33333
n÷3
497623728.25
n÷5
398098982.6
n2
3962069998678877569
n3
7.8864801773202E+27
n4
1.5697998674431E+37
n5
3.1246786505736E+46
2 √n
44614.962882423
3 √n
1257.9219363855
4 √n
211.22254349956
5 √n
72.408944092617
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
-1990494912
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 1990494913 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990494913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001001000101011000001
3
Ternary
12010201110121200211
4
Quaternary
1312221020223001
5
Quinary
13034031314123
6
Senary
525303114121
8
Octal
16651105301
10
Decimal
1990494913
12
Duodecimal
476742941
16
Hexadecimal
76a48ac1
20
Vigesimal
1b20bh5d
36
Base36
wx37pd
md5
94cae2c8a4f41f81b390adc5d624edc4
sha1
9e0d1f8c41f46cb29185ed17dcf475b0eeff0255
sha256
25ac617e2657e7f0b9e6d3a3eae8e12e10f4a3fed52ef491ba8516fcfdc365de
sha512
1e4aecb794a9dcb5fc6e08ac2d8112e71a1e010b6f47db4051e35ee6e180ed3301db588e4344cf3ce60ef2035feabd6d7e10095580eb8b74658e778ac0bfc18d
ripemd-160
3644b7373facc963449eda8f75779c7bfd316299
Diameter
3980989826
Circumference
12506648391.377
Area
1.2447210000858E+19
Volume
3.3034810917001E+28
Surface area
4.9788840003432E+19
Circumference
12506648391.377
Perimeter
7961979652
Area
3962069998678877569
Diagonal
2814984901.7993
Surface area
2.3772419992073E+19
Volume
7.8864801773202E+27
Space diagonal
3447638321.5234
Perimeter
5971484739
Area
1.715626635214E+18
Altitude
1723819160.7617
Surface area
1.715626635214E+18
Volume
9.294306021794E+26
Height
938328300.59975