261377894 is an even 9-digits composite number following 261377893
and preceding 261377895 . In scientific notation, it is written as 2.61377894 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 130688946 positive integers (up to 261377894) that are relatively prime to 261377894.
261377894 has 4 divisors, whose sum is 392066844
The reverse of 261377894 is 498773162
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred sixty-one million three hundred seventy-seven thousand eight hundred ninety-four
Scientific notation
2.61377894 × 10^8
Engineering notation
2.61377894 × 10^6
Prime Factorization
2 × 130688947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261377894
Product of the distinct prime numbers
The prime factorization of 261377894 is 2 × 130688947.
Since it has a total of 2 prime factors.
1 , 10 , 56 , 52 , 312 , 231 , 400 , 1214 , 41436 , 46974 , 608728 , 812428 , 1038028 , 2986847 , 8155382 , 34978596 , 217760525 , 562050059 , 6443918292 , 1014622243
n×2
522755788
n×3
784133682
n×4
1045511576
n×5
1306889470
n÷2
130688947
n÷3
87125964.666667
n÷3
65344473.5
n÷5
52275578.8
n2
68318403471875236
n3
1.7856920420921E+25
n4
4.6674042529459E+33
n5
1.2199562940817E+42
2 √n
16167.185716754
3 √n
639.3759330083
4 √n
127.150248591
5 √n
48.245162204829
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
-261377893
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 261377894 can be divided by 4 positive divisors.
The sum of these divisors (counting 261377894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100101000100111101100110
3
Ternary
200012211101001202
4
Quaternary
33211010331212
5
Quinary
1013403043034
6
Senary
41534122502
8
Octal
1745047546
10
Decimal
261377894
12
Duodecimal
73650432
16
Hexadecimal
f944f66
20
Vigesimal
41dc4ee
36
Base36
4bm8h2
md5
1bd67a39a63720bf08209430f921240e
sha1
d37e15d036a37b83ba604e726b4574ed2a4661b2
sha256
8391eaad5aaa974c8399dbee01c23dbf3380b047158128e569a93a68eb8ce0a7
sha512
bd099187b27e7b512c0088911b609bfc568e99e5218b2f274ad7870b14fce0e8b68bf9e16155f98cb059a6b9ffc87c3e2e5cbba1dd19eb9cd049ce9f6b7b1430
ripemd-160
69c4ce9e2db90c11977b079b6f157fb9c533431f
Diameter
522755788
Circumference
1642285743.2023
Area
2.1462859445223E+17
Volume
7.4798893346804E+25
Surface area
8.5851437780891E+17
Circumference
1642285743.2023
Perimeter
1045511576
Area
68318403471875236
Diagonal
369644162.59932
Surface area
409910420831251416
Volume
1.7856920420921E+25
Space diagonal
452719792.38335
Perimeter
784133682
Area
2.9582736476319E+16
Altitude
226359896.19168
Surface area
2.9582736476319E+16
Volume
2.104458253457E+24
Height
123214720.86644