261749393 is an odd 9-digits composite number following 261749392
and preceding 261749394 . In scientific notation, it is written as 2.61749393 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 261047280 positive integers (up to 261749393) that are relatively prime to 261749393.
261749393 has 4 divisors, whose sum is 262451508
The reverse of 261749393 is 393947162
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred sixty-one million seven hundred forty-nine thousand three hundred ninety-three
Scientific notation
2.61749393 × 10^8
Engineering notation
2.61749393 × 10^6
Prime Factorization
373 × 701741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261749393
Product of the distinct prime numbers
The prime factorization of 261749393 is 373 × 701741.
Since it has a total of 2 prime factors.
3 , 3 , 12 , 31 , 76 , 480 , 7028 , 2887 , 164 , 82108 , 424668 , 631958 , 1659077 , 4348560 , 88272470 , 97185361 , 690361706 , 526354068 , 9474654572 , 2508540324
n×2
523498786
n×3
785248179
n×4
1046997572
n×5
1308746965
n÷2
130874696.5
n÷3
87249797.666667
n÷3
65437348.25
n÷5
52349878.6
n2
68512744735868449
n3
1.7933169347378E+25
n4
4.6939961912423E+33
n5
1.228650653802E+42
2 √n
16178.670928108
3 √n
639.67870673241
4 √n
127.19540450861
5 √n
48.258868680345
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
-261749392
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 261749393 can be divided by 4 positive divisors.
The sum of these divisors (counting 261749393) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100110011111101010010001
3
Ternary
200020112020122222
4
Quaternary
33212133222101
5
Quinary
1014001440033
6
Senary
41550110425
8
Octal
1746375221
10
Decimal
261749393
12
Duodecimal
737ab415
16
Hexadecimal
f99fa91
20
Vigesimal
41fid9d
36
Base36
4bu74h
md5
ce8fa8fec7423cee86bb9ae9f0803826
sha1
1cb0e256bab048d8e32abd788544d248f04353de
sha256
8a5265dc6beaf91470834867c9f1abc545c53fee9fcabec6aa6f878fd79c48e4
sha512
11d5adf5911e8f5bfeae68e8993f128157a217bf02ee89699d5ae485f3383328bf405cf2217ee7277cf40f1229cafdc12d0f9027b7aa5564eca18f6a15262e89
ripemd-160
431a843490460edbc223ae869ef38c57c8a99a89
Diameter
523498786
Circumference
1644619940.2608
Area
2.1523913553948E+17
Volume
7.511828410307E+25
Surface area
8.6095654215791E+17
Circumference
1644619940.2608
Perimeter
1046997572
Area
68512744735868449
Diagonal
370169541.52353
Surface area
411076468415210694
Volume
1.7933169347378E+25
Space diagonal
453363247.52631
Perimeter
785248179
Area
2.966688871213E+16
Altitude
226681623.76316
Surface area
2.966688871213E+16
Volume
2.1134442756162E+24
Height
123389847.17451