561991491 is an odd 9-digits composite number following 561991490
and preceding 561991492 . In scientific notation, it is written as 5.61991491 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 352622016 positive integers (up to 561991491) that are relatively prime to 561991491.
561991491 has 12 divisors, whose sum is 859516632
The reverse of 561991491 is 194199165
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
five hundred sixty-one million nine hundred ninety-one thousand four hundred ninety-one
Scientific notation
5.61991491 × 10^8
Engineering notation
5.61991491 × 10^6
Prime Factorization
3 × 3 × 17 × 3673147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
187330497
Product of the distinct prime numbers
The prime factorization of 561991491 is 3 × 3 × 17 × 3673147.
Since it has a total of 4 prime factors.
2 , 7 , 47 , 39 , 542 , 704 , 1484 , 7605 , 4616 , 65162 , 298552 , 238172 , 8607699 , 5469799 , 64482415 , 93343984 , 139172726 , 323341274 , 5991882490 , 5997895325
n×2
1123982982
n×3
1685974473
n×4
2247965964
n×5
2809957455
n÷2
280995745.5
n÷3
187330497
n÷3
140497872.75
n÷5
112398298.2
n2
315834435956403081
n3
1.7749626557228E+26
n4
9.9751390935899E+34
n5
5.605943292139E+43
2 √n
23706.359716329
3 √n
825.23298763947
4 √n
153.96869719631
5 √n
56.227134093515
1 , 3 , 9 , 17 , 51 , 153 , 3673147 , 11019441 , 33058323 , 62443499 , 187330497 , 561991491
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-561991490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 561991491 can be divided by 12 positive divisors.
The sum of these divisors (counting 561991491) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001011111110100111101000011
3
Ternary
1110011111010101200
4
Quaternary
201133310331003
5
Quinary
2122332211431
6
Senary
131433232243
8
Octal
4137647503
10
Decimal
561991491
12
Duodecimal
138262683
16
Hexadecimal
217f4f43
20
Vigesimal
8fc8ieb
36
Base36
9alfer
md5
6304de35a043afadf7986c982a13e8e2
sha1
98806b510df57acc3bd7d59f1ed1d689114f50b3
sha256
5c8192a17eabfc071f548e894a7cb8699a8e0d3615b682f082e068acfcc9a1d8
sha512
23c16a4910d1513185de64e91da0bf35bc154fa0f940ecd1a6b2d3d30183c5435823e6d29813e039d6f9d145ed0ca135163269acbd7f64953cdacb8104b5055f
ripemd-160
51368cf3997cc276e2b072906700d00f53e69982
Diameter
1123982982
Circumference
3531096679.0111
Area
9.9222314375131E+17
Volume
7.4349461861534E+26
Surface area
3.9688925750052E+18
Circumference
3531096679.0111
Perimeter
2247965964
Area
315834435956403081
Diagonal
794775988.51048
Surface area
1895006615738418486
Volume
1.7749626557228E+26
Space diagonal
973397815.83339
Perimeter
1685974473
Area
1.3676032246409E+17
Altitude
486698907.91669
Surface area
1.3676032246409E+17
Volume
2.0918135503575E+25
Height
264925329.50349