1990369561 is an odd 10-digits composite number following 1990369560
and preceding 1990369562 . In scientific notation, it is written as 1.990369561 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1901800560 positive integers (up to 1990369561) that are relatively prime to 1990369561.
1990369561 has 8 divisors, whose sum is 2079123264
The reverse of 1990369561 is 1659630991
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety million three hundred sixty-nine thousand five hundred sixty-one
Scientific notation
1.990369561 × 10^9
Engineering notation
1.990369561 × 10^9
Prime Factorization
23 × 947 × 91381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990369561
Product of the distinct prime numbers
The prime factorization of 1990369561 is 23 × 947 × 91381.
Since it has a total of 3 prime factors.
6 , 6 , 37 , 60 , 724 , 558 , 4183 , 7720 , 10096 , 76113 , 401944 , 902977 , 6042442 , 8514341 , 44642626 , 32961490 , 138936465 , 993933707 , 7036753808 , 7508191873
n×2
3980739122
n×3
5971108683
n×4
7961478244
n×5
9951847805
n÷2
995184780.5
n÷3
663456520.33333
n÷3
497592390.25
n÷5
398073912.2
n2
3961570989355332721
n3
7.8849903109535E+27
n4
1.5694044703702E+37
n5
3.1236948867221E+46
2 √n
44613.558040129
3 √n
1257.8955298304
4 √n
211.21921797064
5 √n
72.408032074751
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
-1990369560
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 1990369561 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990369561) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000101010000100011001
3
Ternary
12010201020020202011
4
Quaternary
1312220222010121
5
Quinary
13034013311221
6
Senary
525300305521
8
Octal
16650520431
10
Decimal
1990369561
12
Duodecimal
4766a22a1
16
Hexadecimal
76a2a119
20
Vigesimal
1b1jg3i1
36
Base36
wx0izd
md5
990168d03ee58e6b1b92b0ef7105ba0a
sha1
2fd2cfd8d8e27f666eeae4c55708b9816936e310
sha256
d189017d7e75dceffd8594a5eeda8af3aad76b6d62c59116d788146a6d15dc6a
sha512
87ff13b085c35e4ef464cce09d59adb44f7330fed672cd21756ef9eb094bdb551a0f17d9d5a6e16b7d1c8c7b71495234f8f6bd2831f2e2a5cd8d6f4bc155e9d0
ripemd-160
bf96becf2856b10fbc7b2842ea17c13ff5a1880f
Diameter
3980739122
Circumference
12505860781.533
Area
1.2445642316833E+19
Volume
3.3028570179358E+28
Surface area
4.9782569267333E+19
Circumference
12505860781.533
Perimeter
7961478244
Area
3961570989355332721
Diagonal
2814807627.3008
Surface area
2.3769425936132E+19
Volume
7.8849903109535E+27
Space diagonal
3447421205.4906
Perimeter
5971108683
Area
1.7154105578386E+18
Altitude
1723710602.7453
Surface area
1.7154105578386E+18
Volume
9.2925501974424E+26
Height
938269209.10026