261379770 is an even 9-digits composite number following 261379769
and preceding 261379771 . In scientific notation, it is written as 2.61379770 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 65537856 positive integers (up to 261379770) that are relatively prime to 261379770.
261379770 has 32 divisors, whose sum is 443520000
The reverse of 261379770 is 077973162
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred sixty-one million three hundred seventy-nine thousand seven hundred seventy
Scientific notation
2.61379770 × 10^8
Engineering notation
2.61379770 × 10^6
Prime Factorization
2 × 15 × 19 × 139 × 3299
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
261379770
Product of the distinct prime numbers
The prime factorization of 261379770 is 2 × 15 × 19 × 139 × 3299.
Since it has a total of 5 prime factors.
7 , 7 , 3 , 4 , 32 , 36 , 8987 , 8192 , 20101 , 713 , 837059 , 239536 , 6300782 , 4807350 , 93881375 , 3708849 , 445801235 , 713880443 , 9935256699 , 1669148335
n×2
522759540
n×3
784139310
n×4
1045519080
n×5
1306898850
n÷2
130689885
n÷3
87126590
n÷3
65344942.5
n÷5
52275954
n2
68319384165252900
n3
1.7857304919655E+25
n4
4.6675382527194E+33
n5
1.220000074962E+42
2 √n
16167.243735405
3 √n
639.37746267908
4 √n
127.15047674077
5 √n
48.24523145909
1 , 2 , 15 , 19 , 30 , 38 , 139 , 278 , 285 , 570 , 2085 , 2641 , 3299 , 4170 , 5282 , 6598 , 39615 , 49485 , 62681 , 79230 , 98970 , 125362 , 458561 , 917122 , 940215 , 1880430 , 6878415 , 8712659 , 13756830 , 17425318 , 130689885 , 261379770
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261379769
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261379770 can be divided by 32 positive divisors.
The sum of these divisors (counting 261379770) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111100101000101011010111010
3
Ternary
200012211110122020
4
Quaternary
33211011122322
5
Quinary
1013403123040
6
Senary
41534135310
8
Octal
1745053272
10
Decimal
261379770
12
Duodecimal
73651536
16
Hexadecimal
f9456ba
20
Vigesimal
41dc98a
36
Base36
4bm9x6
md5
01f5a038403da007fdd16f978bb77ce7
sha1
e6d5a178a5b3253b9f6f75536e3e4299faa73341
sha256
a6c6dd765c8954db8b4ce5af0c4758f8c434583ef68ad0b7023a15212d94e8c6
sha512
16ba5b19f11df378289b5fbe4c1099fdcbcbe49da2646b353eb5c3b7d4f2d0a5ccbbb43772a000985f6444a2ce84b6f56db9e38bac09b60715780992ee3455d8
ripemd-160
26be0c52fa918fe7354ad36b7ff3acee941225de
Diameter
522759540
Circumference
1642297530.458
Area
2.1463167539134E+17
Volume
7.4800503931337E+25
Surface area
8.5852670156535E+17
Circumference
1642297530.458
Perimeter
1045519080
Area
68319384165252900
Diagonal
369646815.66396
Surface area
409916304991517400
Volume
1.7857304919655E+25
Space diagonal
452723041.71067
Perimeter
784139310
Area
2.9583161129009E+16
Altitude
226361520.85533
Surface area
2.9583161129009E+16
Volume
2.1045035670674E+24
Height
123215605.22132