66400972 is an even 8-digits composite number following 66400971
and preceding 66400973 . In scientific notation, it is written as 6.6400972 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 28593360 positive integers (up to 66400972) that are relatively prime to 66400972.
66400972 has 24 divisors, whose sum is 133439040
The reverse of 66400972 is 27900466
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-six million four hundred thousand nine hundred seventy-two
Scientific notation
6.6400972 × 10^7
Engineering notation
6.6400972 × 10^6
Prime Factorization
2 × 2 × 19 × 11 × 79427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33200486
Product of the distinct prime numbers
The prime factorization of 66400972 is 2 × 2 × 19 × 11 × 79427.
Since it has a total of 5 prime factors.
9 , 1 , 50 , 93 , 8 , 270 , 8140 , 3107 , 99670 , 10313 , 613598 , 562763 , 3639292 , 4650158 , 2633523 , 29590646 , 446171127 , 621151061 , 7970546002 , 8344365286
n×2
132801944
n×3
199202916
n×4
265603888
n×5
332004860
n÷2
33200486
n÷3
22133657.333333
n÷3
16600243
n÷5
13280194.4
n2
4409089082544784
n3
2.9276780071556E+23
n4
1.9440066537816E+31
n5
1.2908393138556E+39
2 √n
8148.6791567714
3 √n
404.9407462975
4 √n
90.270034655867
5 √n
36.680469624033
1 , 2 , 4 , 11 , 19 , 22 , 38 , 44 , 76 , 209 , 418 , 836 , 79427 , 158854 , 317708 , 873697 , 1509113 , 1747394 , 3018226 , 3494788 , 6036452 , 16600243 , 33200486 , 66400972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66400971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66400972 can be divided by 24 positive divisors.
The sum of these divisors (counting 66400972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111101010011001011001100
3
Ternary
11121221112000021
4
Quaternary
3331103023030
5
Quinary
113444312342
6
Senary
10331111524
8
Octal
375231314
10
Decimal
66400972
12
Duodecimal
1a2a25a4
16
Hexadecimal
3f532cc
20
Vigesimal
10f028c
36
Base36
13j7bg
md5
3730199b9ad3e554a8e5cb4083cb9014
sha1
beebff9045dacb5bbf8d86c8efd4663eacdc2881
sha256
d9228a2a57f85b9817de5351c06d0d36a7b3b0db8fff2213a3196e59c08b7221
sha512
13e8e7224fb8ccf580cbbeb4193099e5de9849dedd12f52e632655ffff241067d9823e7f57412abf47f2a9e6d086efa606e9140da8880745b2cdcf8c1ad0b2b6
ripemd-160
b9199a49123700fdd50c2e2dedc82694e5541233
Diameter
132801944
Circumference
417209611.65284
Area
1.3851561870746E+16
Volume
1.2263428959142E+24
Surface area
5.5406247482983E+16
Circumference
417209611.65284
Perimeter
265603888
Area
4409089082544784
Diagonal
93905155.157156
Surface area
26454534495268704
Volume
2.9276780071556E+23
Space diagonal
115009857.17596
Perimeter
199202916
Area
1.9091915765162E+15
Altitude
57504928.587979
Surface area
1.9091915765162E+15
Volume
3.4503016199841E+22
Height
31301718.385719