1991232741 is an odd 10-digits composite number following 1991232740
and preceding 1991232742 . In scientific notation, it is written as 1.991232741 × 10^9.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 1327488492 positive integers (up to 1991232741) that are relatively prime to 1991232741.
1991232741 has 4 divisors, whose sum is 2654976992
The reverse of 1991232741 is 1472321991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion nine hundred ninety-one million two hundred thirty-two thousand seven hundred forty-one
Scientific notation
1.991232741 × 10^9
Engineering notation
1.991232741 × 10^9
Prime Factorization
3 × 663744247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991232741
Product of the distinct prime numbers
The prime factorization of 1991232741 is 3 × 663744247.
Since it has a total of 2 prime factors.
4 , 8 , 18 , 37 , 191 , 815 , 4411 , 6770 , 56837 , 31930 , 648706 , 362664 , 1649373 , 6820161 , 63747169 , 98921358 , 556034847 , 57518186 , 158712139 , 1157174470
n×2
3982465482
n×3
5973698223
n×4
7964930964
n×5
9956163705
n÷2
995616370.5
n÷3
663744247
n÷3
497808185.25
n÷5
398246548.2
n2
3965007828830373081
n3
7.8952534070884E+27
n4
1.5721287082686E+37
n5
3.1304741569705E+46
2 √n
44623.230956532
3 √n
1258.0773441965
4 √n
211.24211454284
5 √n
72.414311343387
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
-1991232740
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 1991232741 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991232741) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101011111100110011100101
3
Ternary
12010202212002210210
4
Quaternary
1312223330303211
5
Quinary
13034223421431
6
Senary
525331010033
8
Octal
16653746345
10
Decimal
1991232741
12
Duodecimal
476a39919
16
Hexadecimal
76afcce5
20
Vigesimal
1b2541h1
36
Base36
wxj10l
md5
7141e43527d8b7747f1702543d10c8c3
sha1
cb6e6389dce5877c34644acbdf6aa008358643c3
sha256
7a7eee032527bbe41269eb61ad64828110aceac9ba2380c36b9fd7b68d2af492
sha512
949db4c1d5648e991c61b7e2eabd08c048308c138b8efcfe49656178db67be5873131750aa4b92cb753749df2d3729b8bb7223e4e361b43e6676730c09abe6fc
ripemd-160
9ba3904e0bb9d5729a5cf20192740aeb9708a0bb
Diameter
3982465482
Circumference
12511284301.426
Area
1.245643946648E+19
Volume
3.3071560135918E+28
Surface area
4.9825757865918E+19
Circumference
12511284301.426
Perimeter
7964930964
Area
3965007828830373081
Diagonal
2816028348.1636
Surface area
2.3790046972982E+19
Volume
7.8952534070884E+27
Space diagonal
3448916277.1066
Perimeter
5973698223
Area
1.7168987529856E+18
Altitude
1724458138.5533
Surface area
1.7168987529856E+18
Volume
9.3046453722306E+26
Height
938676116.05452