1991569129 is an odd 10-digits composite number following 1991569128
and preceding 1991569130 . In scientific notation, it is written as 1.991569129 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 1810071120 positive integers (up to 1991569129) that are relatively prime to 1991569129.
1991569129 has 6 divisors, whose sum is 2008523454
The reverse of 1991569129 is 9219651991
Previous prime number is 4057
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety-one million five hundred sixty-nine thousand one hundred twenty-nine
Scientific notation
1.991569129 × 10^9
Engineering notation
1.991569129 × 10^9
Prime Factorization
121 × 4057 × 4057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
490897
Product of the distinct prime numbers
The prime factorization of 1991569129 is 121 × 4057 × 4057.
Since it has a total of 3 prime factors.
1 , 3 , 6 , 9 , 626 , 570 , 4348 , 7388 , 51667 , 83395 , 385385 , 848824 , 864241 , 6075603 , 8678148 , 5585233 , 985377877 , 734275570 , 5673952020 , 8893406622
n×2
3983138258
n×3
5974707387
n×4
7966276516
n×5
9957845645
n÷2
995784564.5
n÷3
663856376.33333
n÷3
497892282.25
n÷5
398313825.8
n2
3966347595585818641
n3
7.8992554262521E+27
n4
1.5731913249009E+37
n5
3.1331192766833E+46
2 √n
44627
3 √n
1258.1481844494
4 √n
211.25103550042
5 √n
72.416757833843
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991569128
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991569129 can be divided by 6 positive divisors.
The sum of these divisors (counting 1991569129) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110110101101001110111011101001
3
Ternary
12010210111012020121
4
Quaternary
1312231032323221
5
Quinary
13034320203004
6
Senary
525342123241
8
Octal
16655167351
10
Decimal
1991569129
12
Duodecimal
476b80521
16
Hexadecimal
76b4eee9
20
Vigesimal
1b2762g9
36
Base36
wxq8kp
md5
a4847396929c2f2a95ba7677c77db2cc
sha1
7a9ded7a1fca42b70c82d545bae981afd855473e
sha256
d4e46682707a0e85a2f894ba4bd3be56655699962be42415b5a7bc270f44a0c9
sha512
55b5e2b11917ec4248f6092e783cf6b1f28e4061aece4e6f45ea8e5cb3f48574d6d90cdd19ceeccdbe508763c0f52406f10caf5b80a056ba9c0a05d88cb4a170
ripemd-160
059cb1378413b7f405708b929cfa37f2a34071e9
Diameter
3983138258
Circumference
12513397889.565
Area
1.2460648467876E+19
Volume
3.3088323754591E+28
Surface area
4.9842593871504E+19
Circumference
12513397889.565
Perimeter
7966276516
Area
3966347595585818641
Diagonal
2816504072.6354
Surface area
2.3798085573515E+19
Volume
7.8992554262521E+27
Space diagonal
3449498918.2137
Perimeter
5974707387
Area
1.7174788890083E+18
Altitude
1724749459.1068
Surface area
1.7174788890083E+18
Volume
9.3093617970458E+26
Height
938834690.87846