66561930 is an even 8-digits composite number following 66561929
and preceding 66561931 . In scientific notation, it is written as 6.6561930 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 17702784 positive integers (up to 66561930) that are relatively prime to 66561930.
66561930 has 32 divisors, whose sum is 142375680
The reverse of 66561930 is 03916566
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million five hundred sixty-one thousand nine hundred thirty
Scientific notation
6.6561930 × 10^7
Engineering notation
6.6561930 × 10^6
Prime Factorization
2 × 15 × 3 × 509 × 1453
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66561930
Product of the distinct prime numbers
The prime factorization of 66561930 is 2 × 15 × 3 × 509 × 1453.
Since it has a total of 5 prime factors.
9 , 2 , 3 , 98 , 489 , 562 , 8119 , 7896 , 51916 , 82261 , 396002 , 822787 , 7715516 , 1876175 , 97406095 , 78313758 , 868843447 , 319256918 , 7451863694 , 4784996672
n×2
133123860
n×3
199685790
n×4
266247720
n×5
332809650
n÷2
33280965
n÷3
22187310
n÷3
16640482.5
n÷5
13312386
n2
4430490525324900
n3
2.9490200021234E+23
n4
1.9629246294994E+31
n5
1.3065605178401E+39
2 √n
8158.549503435
3 √n
405.26767855281
4 √n
90.324689334838
5 √n
36.698235324017
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 509 , 1018 , 1453 , 1527 , 2906 , 3054 , 4359 , 7635 , 8718 , 15270 , 21795 , 22905 , 43590 , 45810 , 65385 , 130770 , 739577 , 1479154 , 2218731 , 4437462 , 11093655 , 22187310 , 33280965 , 66561930
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
-66561929
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 66561930 can be divided by 32 positive divisors.
The sum of these divisors (counting 66561930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111101111010011110001010
3
Ternary
11122020200210200
4
Quaternary
3331322132022
5
Quinary
114014440210
6
Senary
10334353030
8
Octal
375723612
10
Decimal
66561930
12
Duodecimal
1a35b776
16
Hexadecimal
3f7a78a
20
Vigesimal
10g04ga
36
Base36
13mnii
md5
8cfa8cc2e550aac14ca675fc4d8b2c01
sha1
6537e0f5768437c5cf9a196a1e9924aa57117559
sha256
57fc06e1c1c9fc59fea4115b4058cc8c655d94654b83e57e68a60ca1a85d3456
sha512
f64a18f4129daa3be233a343195cdbf650c7036194593f940f27d4edaef431292d0a8d3c5977b0c27bbc7be295b45d3054110dd08363601025fab14fe805029e
ripemd-160
4f2d212f06a69405a217fc70cce7ee82afe93326
Diameter
133123860
Circumference
418220940.59352
Area
1.391879648616E+16
Volume
1.2352826098614E+24
Surface area
5.567518594464E+16
Circumference
418220940.59352
Perimeter
266247720
Area
4430490525324900
Diagonal
94132784.143729
Surface area
26582943151949400
Volume
2.9490200021234E+23
Space diagonal
115288644.60984
Perimeter
199685790
Area
1.9184586730788E+15
Altitude
57644322.304922
Surface area
1.9184586730788E+15
Volume
3.4754534022604E+22
Height
31377594.714576