61686087 is an odd 8-digits composite number following 61686086
and preceding 61686088 . In scientific notation, it is written as 6.1686087 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 41124056 positive integers (up to 61686087) that are relatively prime to 61686087.
61686087 has 4 divisors, whose sum is 82248120
The reverse of 61686087 is 78068616
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million six hundred eighty-six thousand eighty-seven
Scientific notation
6.1686087 × 10^7
Engineering notation
6.1686087 × 10^6
Prime Factorization
3 × 20562029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61686087
Product of the distinct prime numbers
The prime factorization of 61686087 is 3 × 20562029.
Since it has a total of 2 prime factors.
1 , 6 , 48 , 80 , 938 , 863 , 380 , 5844 , 22430 , 24747 , 497889 , 52078 , 5476827 , 1082215 , 43373551 , 82229517 , 979248111 , 93759921 , 3053800784 , 1362659128
n×2
123372174
n×3
185058261
n×4
246744348
n×5
308430435
n÷2
30843043.5
n÷3
20562029
n÷3
15421521.75
n÷5
12337217.4
n2
3805173329371569
n3
2.3472625304569E+23
n4
1.4479344066561E+31
n5
8.931740777928E+38
2 √n
7854.0490831163
3 √n
395.12005537257
4 √n
88.623073085491
5 √n
36.1441024358
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
-61686086
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 61686087 can be divided by 4 positive divisors.
The sum of these divisors (counting 61686087) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011010100000101000111
3
Ternary
11022001222101220
4
Quaternary
3223110011013
5
Quinary
111242423322
6
Senary
10042051423
8
Octal
353240507
10
Decimal
61686087
12
Duodecimal
187a9b73
16
Hexadecimal
3ad4147
20
Vigesimal
j5af47
36
Base36
10q5af
md5
d4625e67338d3207b235f2898dd0d205
sha1
96a6df239fe0b3fefabcf7843ba65413dbe10faf
sha256
dfd380a5c95f09b82ec32a7d4c921a50655215016085af9d18adbca390b393f2
sha512
87ab57a5c6d56172ea844c5d1cd40be50a95d5cd1d2117571a41c86d772f93abb5c97dc23f305d2a31ac86276eeb79bb8721b40314db57ad376af6a065122fe4
ripemd-160
5e9d0ec0a5c67d5ef84371f7d46021d6a833e87c
Diameter
123372174
Circumference
387585115.4958
Area
1.195430457719E+16
Volume
9.8321902956402E+23
Surface area
4.7817218308758E+16
Circumference
387585115.4958
Perimeter
246744348
Area
3805173329371569
Diagonal
87237300.845127
Surface area
22831039976229414
Volume
2.3472625304569E+23
Space diagonal
106843436.80411
Perimeter
185058261
Area
1.6476883845194E+15
Altitude
53421718.402057
Surface area
1.6476883845194E+15
Volume
2.766275420852E+22
Height
29079100.281709