66561631 is an odd 8-digits composite number following 66561630
and preceding 66561632 . In scientific notation, it is written as 6.6561631 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 64762632 positive integers (up to 66561631) that are relatively prime to 66561631.
66561631 has 4 divisors, whose sum is 68360632
The reverse of 66561631 is 13616566
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-six million five hundred sixty-one thousand six hundred thirty-one
Scientific notation
6.6561631 × 10^7
Engineering notation
6.6561631 × 10^6
Prime Factorization
37 × 1798963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66561631
Product of the distinct prime numbers
The prime factorization of 66561631 is 37 × 1798963.
Since it has a total of 2 prime factors.
9 , 8 , 49 , 60 , 348 , 748 , 3196 , 9135 , 93550 , 99449 , 907017 , 876721 , 4435346 , 1559124 , 63625790 , 6063261 , 247102179 , 57164543 , 263338838 , 5043077907
n×2
133123262
n×3
199684893
n×4
266246524
n×5
332808155
n÷2
33280815.5
n÷3
22187210.333333
n÷3
16640407.75
n÷5
13312326.2
n2
4430450721380161
n3
2.9489802608019E+23
n4
1.9628893594578E+31
n5
1.3065311723806E+39
2 √n
8158.5311790787
3 √n
405.26707172336
4 √n
90.324587898749
5 √n
36.698202353843
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
-66561630
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 66561631 can be divided by 4 positive divisors.
The sum of these divisors (counting 66561631) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101111010011001011111
3
Ternary
11122020200101121
4
Quaternary
3331322121133
5
Quinary
114014433011
6
Senary
10334351411
8
Octal
375723137
10
Decimal
66561631
12
Duodecimal
1a35b567
16
Hexadecimal
3f7a65f
20
Vigesimal
10g041b
36
Base36
13mna7
md5
686ec224ca6a9eeead6a7da180bb55a3
sha1
63e787a0d973cb9907722657d2a7c40593e7c1b3
sha256
0606883c3d4c8070a63da833dacba10a643ba8c67046b4f5eebe444ddd529df4
sha512
f93cf0bc6e298b6f758e26832a54e50eb59ea7dd3be07c7acd008b1cc568be17b563332898410b52c8f652b49ec52d81208c5e99555f8b4f0c66e187b80412af
ripemd-160
836da139613e34946a56207d9261e8da51f460ae
Diameter
133123262
Circumference
418219061.92111
Area
1.391867143838E+16
Volume
1.2352659630555E+24
Surface area
5.5674685753518E+16
Circumference
418219061.92111
Perimeter
266246524
Area
4430450721380161
Diagonal
94132361.293873
Surface area
26582704328280966
Volume
2.9489802608019E+23
Space diagonal
115288126.72665
Perimeter
199684893
Area
1.9184414374652E+15
Altitude
57644063.363326
Surface area
1.9184414374652E+15
Volume
3.4754065666638E+22
Height
31377453.764624