261049649 is an odd 9-digits composite number following 261049648
and preceding 261049650 . In scientific notation, it is written as 2.61049649 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 223756836 positive integers (up to 261049649) that are relatively prime to 261049649.
261049649 has 4 divisors, whose sum is 298342464
The reverse of 261049649 is 946940162
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred sixty-one million forty-nine thousand six hundred forty-nine
Scientific notation
2.61049649 × 10^8
Engineering notation
2.61049649 × 10^6
Prime Factorization
7 × 37292807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261049649
Product of the distinct prime numbers
The prime factorization of 261049649 is 7 × 37292807.
Since it has a total of 2 prime factors.
4 , 8 , 62 , 45 , 964 , 598 , 6649 , 6047 , 95830 , 29356 , 667475 , 386832 , 706350 , 7835054 , 21992796 , 7613487 , 274897562 , 686599928 , 9239256460 , 3290199587
n×2
522099298
n×3
783148947
n×4
1044198596
n×5
1305248245
n÷2
130524824.5
n÷3
87016549.666667
n÷3
65262412.25
n÷5
52209929.8
n2
68146919243023201
n3
1.7789729348823E+25
n4
4.6440026023151E+33
n5
1.2123152492895E+42
2 √n
16157.030946309
3 √n
639.10817270993
4 √n
127.11031014953
5 √n
48.233038613164
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
-261049648
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 261049649 can be divided by 4 positive divisors.
The sum of these divisors (counting 261049649) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100011110100110100110001
3
Ternary
200012012200210112
4
Quaternary
33203310310301
5
Quinary
1013312042044
6
Senary
41523111105
8
Octal
1743646461
10
Decimal
261049649
12
Duodecimal
73512495
16
Hexadecimal
f8f4d31
20
Vigesimal
41bb429
36
Base36
4bf775
md5
251f14cda94e3a099a6ae84693e928cf
sha1
2fe0c0fdb164d154474d804821013ef037b5092f
sha256
f5db6845bc9b19683e6a2c23328129548ad4d2949d6ab625c4459502137db66b
sha512
34f312a771259cc54990512ecb941b590bc59e24c0743bacfbd10f36e84f183e54bbdf5aa639d4c276c4f42cfa3c029465741614ec244a0776592ecb54b89693
ripemd-160
fa744e2471f1d9b01eaadb27654a15b665c5049e
Diameter
522099298
Circumference
1640223319.0412
Area
2.1408986085866E+17
Volume
7.4517444042149E+25
Surface area
8.5635944343463E+17
Circumference
1640223319.0412
Perimeter
1044198596
Area
68146919243023201
Diagonal
369179954.06854
Surface area
408881515458139206
Volume
1.7789729348823E+25
Space diagonal
452151255.36602
Perimeter
783148947
Area
2.9508481627052E+16
Altitude
226075627.68301
Surface area
2.9508481627052E+16
Volume
2.096539709671E+24
Height
123059984.68951