261738129 is an odd 9-digits composite number following 261738128
and preceding 261738130 . In scientific notation, it is written as 2.61738129 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 162596160 positive integers (up to 261738129) that are relatively prime to 261738129.
261738129 has 16 divisors, whose sum is 373378880
The reverse of 261738129 is 921837162
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred sixty-one million seven hundred thirty-eight thousand one hundred twenty-nine
Scientific notation
2.61738129 × 10^8
Engineering notation
2.61738129 × 10^6
Prime Factorization
3 × 19 × 61 × 75277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261738129
Product of the distinct prime numbers
The prime factorization of 261738129 is 3 × 19 × 61 × 75277.
Since it has a total of 4 prime factors.
8 , 5 , 19 , 65 , 97 , 219 , 9995 , 2481 , 3503 , 24030 , 823929 , 637254 , 6750367 , 5081976 , 57047135 , 51133731 , 993110229 , 626789841 , 6547644184 , 9975048554
n×2
523476258
n×3
785214387
n×4
1046952516
n×5
1308690645
n÷2
130869064.5
n÷3
87246043
n÷3
65434532.25
n÷5
52347625.8
n2
68506848172420641
n3
1.7930854264336E+25
n4
4.6931882465191E+33
n5
1.2283863106887E+42
2 √n
16178.322811713
3 √n
639.66953072347
4 √n
127.19403606975
5 √n
48.258453323313
1 , 3 , 19 , 57 , 61 , 183 , 1159 , 3477 , 75277 , 225831 , 1430263 , 4290789 , 4591897 , 13775691 , 87246043 , 261738129
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261738128
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261738129 can be divided by 16 positive divisors.
The sum of these divisors (counting 261738129) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100110011100111010010001
3
Ternary
200020111200012210
4
Quaternary
33212130322101
5
Quinary
1014001110004
6
Senary
41545542333
8
Octal
1746347221
10
Decimal
261738129
12
Duodecimal
737a49a9
16
Hexadecimal
f99ce91
20
Vigesimal
41fh569
36
Base36
4btyfl
md5
9b6583e51ad60ded6b0c16530b582ce5
sha1
e9a254713d74492aba513785e713d0ba714d8c8f
sha256
2c1f71ba334b3f55ab4ca2a7f14db9586078596e6479956f47013ed3d477876d
sha512
297ee271f1db96016dc01b524fca7c3d8edbbc13e794d2d06a9542d0894912ebd6792a72559dde3ac2b49782b6ea84dc958bd543db5fac7a9978e56f5eb01ffc
ripemd-160
120a7e2840c72f686899adcb7c9abdf7239a8166
Diameter
523476258
Circumference
1644549166.4615
Area
2.1522061093907E+17
Volume
7.5108586705905E+25
Surface area
8.6088244375627E+17
Circumference
1644549166.4615
Perimeter
1046952516
Area
68506848172420641
Diagonal
370153611.82196
Surface area
411041089034523846
Volume
1.7930854264336E+25
Space diagonal
453343737.70602
Perimeter
785214387
Area
2.966433542526E+16
Altitude
226671868.85301
Surface area
2.966433542526E+16
Volume
2.1131714404633E+24
Height
123384537.27399