61638861 is an odd 8-digits composite number following 61638860
and preceding 61638862 . In scientific notation, it is written as 6.1638861 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 40479120 positive integers (up to 61638861) that are relatively prime to 61638861.
61638861 has 8 divisors, whose sum is 83412064
The reverse of 61638861 is 16883616
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million six hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
6.1638861 × 10^7
Engineering notation
6.1638861 × 10^6
Prime Factorization
3 × 67 × 306661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61638861
Product of the distinct prime numbers
The prime factorization of 61638861 is 3 × 67 × 306661.
Since it has a total of 3 prime factors.
10 , 6 , 91 , 4 , 152 , 7 , 8082 , 4702 , 38242 , 26837 , 330809 , 212479 , 1949391 , 9834659 , 33583139 , 91545334 , 786471536 , 829985591 , 1686217812 , 1541989270
n×2
123277722
n×3
184916583
n×4
246555444
n×5
308194305
n÷2
30819430.5
n÷3
20546287
n÷3
15409715.25
n÷5
12327772.2
n2
3799349185377321
n3
2.3418755632794E+23
n4
1.4435054232427E+31
n5
8.8976030136005E+38
2 √n
7851.0420327495
3 √n
395.01919684516
4 √n
88.606106069218
5 √n
36.138566457011
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61638860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61638861 can be divided by 8 positive divisors.
The sum of these divisors (counting 61638861) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101011001000100011001101
3
Ternary
11021222120121210
4
Quaternary
3223020203031
5
Quinary
111234420421
6
Senary
10041045033
8
Octal
353104315
10
Decimal
61638861
12
Duodecimal
18786779
16
Hexadecimal
3ac88cd
20
Vigesimal
j54h31
36
Base36
10p4ul
md5
27ce4741e9820dd2fc4a7e3f7ba52716
sha1
e5ef2a81f4f18f3418613c29a993c604faa9c20c
sha256
12e1363013a627a1f0e38df0ad6eb30280aad167acddf3cc1e4978104e8c20e1
sha512
0f0317a9395e76cec8c5f2f8bcb967630011b02852b2fb96491d188a2d3a69df1588816f7b4985c86099abfa3d84009da4d07bbdf8aa831cefd7f9fc4764f0b4
ripemd-160
19468600593fa4458e73523643714d32b681d601
Diameter
123277722
Circumference
387288385.78648
Area
1.1936007489204E+16
Volume
9.8096254202932E+23
Surface area
4.7744029956815E+16
Circumference
387288385.78648
Perimeter
246555444
Area
3799349185377321
Diagonal
87170513.19543
Surface area
22796095112263926
Volume
2.3418755632794E+23
Space diagonal
106761638.97268
Perimeter
184916583
Area
1.6451664561922E+15
Altitude
53380819.486338
Surface area
1.6451664561922E+15
Volume
2.7599268191498E+22
Height
29056837.73181