1990402018 is an even 10-digits composite number following 1990402017
and preceding 1990402019 . In scientific notation, it is written as 1.990402018 × 10^9.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 904728180 positive integers (up to 1990402018) that are relatively prime to 1990402018.
1990402018 has 8 divisors, whose sum is 3257021520
The reverse of 1990402018 is 8102040991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion nine hundred ninety million four hundred two thousand eighteen
Scientific notation
1.990402018 × 10^9
Engineering notation
1.990402018 × 10^9
Prime Factorization
2 × 11 × 90472819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990402018
Product of the distinct prime numbers
The prime factorization of 1990402018 is 2 × 11 × 90472819.
Since it has a total of 3 prime factors.
5 , 9 , 71 , 77 , 977 , 22 , 5629 , 6010 , 17670 , 54203 , 140314 , 943068 , 3267290 , 1993131 , 29752722 , 66975348 , 1481732 , 274100547 , 5510894440 , 2866343767
n×2
3980804036
n×3
5971206054
n×4
7961608072
n×5
9952010090
n÷2
995201009
n÷3
663467339.33333
n÷3
497600504.5
n÷5
398080403.6
n2
3961700193258472324
n3
7.8853760593727E+27
n4
1.5695068421264E+37
n5
3.1239495858332E+46
2 √n
44613.92179578
3 √n
1257.9023673032
4 √n
211.22007905448
5 √n
72.408268225084
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
-1990402017
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 1990402018 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990402018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000110001111111100010
3
Ternary
12010201021220021021
4
Quaternary
1312220301333202
5
Quinary
13034020331033
6
Senary
525301120054
8
Octal
16650617742
10
Decimal
1990402018
12
Duodecimal
4766b902a
16
Hexadecimal
76a31fe2
20
Vigesimal
1b20050i
36
Base36
wx180y
md5
6f9f5615bd9829fd3d280ca8ade71fb2
sha1
6b60004ad495eba85d016d491e0fc24e06ecf974
sha256
f6dbe730daeaa00bd7aee880e6ed83fa55298457615c797c275ca0af2124268f
sha512
79761f92470901e116f6df6a3aecd3b89728fc635808f36a2a50d5876c0fac82d2f3b67f59136734799a5fc06698bae1390ffacca6411fe91de036101905447d
ripemd-160
c9fb651de464d33d7ee5c6348d157db74d5001b7
Diameter
3980804036
Circumference
12506064714.878
Area
1.2446048222866E+19
Volume
3.3030185998557E+28
Surface area
4.9784192891464E+19
Circumference
12506064714.878
Perimeter
7961608072
Area
3961700193258472324
Diagonal
2814853528.4304
Surface area
2.3770201159551E+19
Volume
7.8853760593727E+27
Space diagonal
3447477422.6636
Perimeter
5971206054
Area
1.7154665047698E+18
Altitude
1723738711.3318
Surface area
1.7154665047698E+18
Volume
9.2930048063141E+26
Height
938284509.47679