61661888 is an even 8-digits composite number following 61661887
and preceding 61661889 . In scientific notation, it is written as 6.1661888 × 10^7.
The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors.
There are 29766912 positive integers (up to 61661888) that are relatively prime to 61661888.
61661888 has 28 divisors, whose sum is 126583440
The reverse of 61661888 is 88816616
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-one million six hundred sixty-one thousand eight hundred eighty-eight
Scientific notation
6.1661888 × 10^7
Engineering notation
6.1661888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 29 × 33223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
1926934
Product of the distinct prime numbers
The prime factorization of 61661888 is 2 × 2 × 2 × 2 × 2 × 2 × 29 × 33223.
Since it has a total of 8 prime factors.
4 , 5 , 63 , 74 , 933 , 447 , 9763 , 9112 , 34309 , 63429 , 876844 , 630197 , 1425941 , 427198 , 28961218 , 6021739 , 891913340 , 502173410 , 8588012074 , 6734835726
n×2
123323776
n×3
184985664
n×4
246647552
n×5
308309440
n÷2
30830944
n÷3
20553962.666667
n÷3
15415472
n÷5
12332377.6
n2
3802188431724544
n3
2.3445011723189E+23
n4
1.445663687034E+31
n5
8.9142352355557E+38
2 √n
7852.5083890436
3 √n
395.06838104718
4 √n
88.614380261014
5 √n
36.141266177391
1 , 2 , 4 , 8 , 16 , 29 , 32 , 58 , 64 , 116 , 232 , 464 , 928 , 1856 , 33223 , 66446 , 132892 , 265784 , 531568 , 963467 , 1063136 , 1926934 , 2126272 , 3853868 , 7707736 , 15415472 , 30830944 , 61661888
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661888 can be divided by 28 positive divisors.
The sum of these divisors (counting 61661888) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
11101011001110001011000000
3
Ternary
11022000202012122
4
Quaternary
3223032023000
5
Quinary
111241140023
6
Senary
10041343412
8
Octal
353161300
10
Decimal
61661888
12
Duodecimal
18797b68
16
Hexadecimal
3ace2c0
20
Vigesimal
j57ee8
36
Base36
10pmm8
md5
452dab94b9f70976247c6e433275ba09
sha1
ee8ec2bdee76193652ab3569d4021aa1f948df80
sha256
2b372dabb1ff58dd9805216260437bcc16f802bded7f768e3f06b9699a31d33e
sha512
9f3db2d8942eced50e2856b8f0c586abc301065ba35c48e7abc39225037f9051137ed659285950b3a1fbdc4b15ac0edef709911a76e943e22e2fbe5652bf6d28
ripemd-160
435926a95e326eafcb0e293e170470dd3023039b
Diameter
123323776
Circumference
387433068.69455
Area
1.194492724467E+16
Volume
9.8206235457198E+23
Surface area
4.777970897868E+16
Circumference
387433068.69455
Perimeter
246647552
Area
3802188431724544
Diagonal
87203078.291131
Surface area
22813130590347264
Volume
2.3445011723189E+23
Space diagonal
106801522.90662
Perimeter
184985664
Area
1.6463958859244E+15
Altitude
53400761.453311
Surface area
1.6463958859244E+15
Volume
2.7630211290776E+22
Height
29067692.76371