1991569139 is an odd 10-digits composite number following 1991569138
and preceding 1991569140 . In scientific notation, it is written as 1.991569139 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1707059256 positive integers (up to 1991569139) that are relatively prime to 1991569139.
1991569139 has 4 divisors, whose sum is 2276079024
The reverse of 1991569139 is 9319651991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion nine hundred ninety-one million five hundred sixty-nine thousand one hundred thirty-nine
Scientific notation
1.991569139 × 10^9
Engineering notation
1.991569139 × 10^9
Prime Factorization
7 × 284509877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991569139
Product of the distinct prime numbers
The prime factorization of 1991569139 is 7 × 284509877.
Since it has a total of 2 prime factors.
9 , 6 , 89 , 5 , 768 , 559 , 5440 , 2014 , 43490 , 61460 , 930386 , 846480 , 6999723 , 8994562 , 84426027 , 35670233 , 317234599 , 877144896 , 4018747243 , 7823050952
n×2
3983138278
n×3
5974707417
n×4
7966276556
n×5
9957845695
n÷2
995784569.5
n÷3
663856379.66667
n÷3
497892284.75
n÷5
398313827.8
n2
3966347635417201321
n3
7.8992555452425E+27
n4
1.573191356498E+37
n5
3.1331193553429E+46
2 √n
44627.00011204
3 √n
1258.1481865552
4 √n
211.2510357656
5 √n
72.416757906566
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
-1991569138
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 1991569139 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991569139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101101001110111011110011
3
Ternary
12010210111012020222
4
Quaternary
1312231032323303
5
Quinary
13034320203024
6
Senary
525342123255
8
Octal
16655167363
10
Decimal
1991569139
12
Duodecimal
476b8052b
16
Hexadecimal
76b4eef3
20
Vigesimal
1b2762gj
36
Base36
wxq8kz
md5
be735019a9bb26fa2f1b24177aba62fe
sha1
f6edb7a4568679e782a5535c2f16f35f867f86af
sha256
b664fdbdce9e748990cf9f20f87b55814f68cc157d055ba9dd606ffbe03fd4ad
sha512
1ea8f982bb9dd9cda125275e9cbb202c79ac9983493a2c2c0d16e4a26781689ab809418d15363b815994c200840b002f7ee2f448553086a7b1ff39920ec4ec85
ripemd-160
3fc5c85d86c01cde3ca7c3834b8947ad2b4a7269
Diameter
3983138278
Circumference
12513397952.397
Area
1.246064859301E+19
Volume
3.3088324253016E+28
Surface area
4.984259437204E+19
Circumference
12513397952.397
Perimeter
7966276556
Area
3966347635417201321
Diagonal
2816504086.7775
Surface area
2.3798085812503E+19
Volume
7.8992555452425E+27
Space diagonal
3449498935.5342
Perimeter
5974707417
Area
1.7174789062558E+18
Altitude
1724749467.7671
Surface area
1.7174789062558E+18
Volume
9.3093619372774E+26
Height
938834695.5925