261033991 is an odd 9-digits composite number following 261033990
and preceding 261033992 . In scientific notation, it is written as 2.61033991 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 259524952 positive integers (up to 261033991) that are relatively prime to 261033991.
261033991 has 4 divisors, whose sum is 262543032
The reverse of 261033991 is 199330162
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred sixty-one million thirty-three thousand nine hundred ninety-one
Scientific notation
2.61033991 × 10^8
Engineering notation
2.61033991 × 10^6
Prime Factorization
173 × 1508867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261033991
Product of the distinct prime numbers
The prime factorization of 261033991 is 173 × 1508867.
Since it has a total of 2 prime factors.
3 , 6 , 42 , 91 , 538 , 780 , 7025 , 1957 , 47609 , 92059 , 992461 , 176299 , 81731 , 1827462 , 99340653 , 40493359 , 904334582 , 562598070 , 3895627615 , 3957362132
n×2
522067982
n×3
783101973
n×4
1044135964
n×5
1305169955
n÷2
130516995.5
n÷3
87011330.333333
n÷3
65258497.75
n÷5
52206798.2
n2
68138744457388081
n3
1.7786528407441E+25
n4
4.6428884962292E+33
n5
1.2119517139387E+42
2 √n
16156.546382194
3 √n
639.09539435417
4 √n
127.10840405809
5 √n
48.232459986805
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
-261033990
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 261033991 can be divided by 4 positive divisors.
The sum of these divisors (counting 261033991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100011110001000000000111
3
Ternary
200012011220022121
4
Quaternary
33203301000013
5
Quinary
1013311041431
6
Senary
41522510411
8
Octal
1743610007
10
Decimal
261033991
12
Duodecimal
73505407
16
Hexadecimal
f8f1007
20
Vigesimal
41b94jb
36
Base36
4bev47
md5
d1385567f9653545043c73b13292e627
sha1
098ebb3b047e745f7fac60f3f07a715c434625b3
sha256
9839982916481f59f2e04694f93a334f726ffb1694d75c909f52a84765addd54
sha512
cf4ba177ce63e1e6fb0b2033955ac3b23191237fe380b522b78a776a30453ee1d5b9852cf77525e47fa0ae62f8a86c20db324cf016181e44cab2dcd4d27b717d
ripemd-160
43bfb7008c2653a04e146068b1049b8821e96247
Diameter
522067982
Circumference
1640124936.9256
Area
2.1406417901216E+17
Volume
7.4504035970244E+25
Surface area
8.5625671604865E+17
Circumference
1640124936.9256
Perimeter
1044135964
Area
68138744457388081
Diagonal
369157810.31258
Surface area
408832466744328486
Volume
1.7786528407441E+25
Space diagonal
452124134.91448
Perimeter
783101973
Area
2.9504941841037E+16
Altitude
226062067.45724
Surface area
2.9504941841037E+16
Volume
2.0961624751115E+24
Height
123052603.43753