66399993 is an odd 8-digits composite number following 66399992
and preceding 66399994 . In scientific notation, it is written as 6.6399993 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 40240800 positive integers (up to 66399993) that are relatively prime to 66399993.
66399993 has 16 divisors, whose sum is 99368000
The reverse of 66399993 is 39999366
Previous prime number is 99
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million three hundred ninety-nine thousand nine hundred ninety-three
Scientific notation
6.6399993 × 10^7
Engineering notation
6.6399993 × 10^6
Prime Factorization
3 × 9 × 99 × 24841
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66399993
Product of the distinct prime numbers
The prime factorization of 66399993 is 3 × 9 × 99 × 24841.
Since it has a total of 4 prime factors.
5 , 2 , 85 , 64 , 614 , 657 , 8283 , 5463 , 59527 , 88102 , 736219 , 787532 , 5119224 , 9738856 , 76159659 , 83882169 , 710248246 , 247632809 , 1098652962 , 437878363
n×2
132799986
n×3
199199979
n×4
265599972
n×5
331999965
n÷2
33199996.5
n÷3
22133331
n÷3
16599998.25
n÷5
13279998.6
n2
4408959070400049
n3
2.9275485141185E+23
n4
1.9438920084463E+31
n5
1.2907441575359E+39
2 √n
8148.6190854647
3 √n
404.93875617131
4 √n
90.269701924094
5 √n
36.680361461787
1 , 3 , 9 , 27 , 99 , 297 , 891 , 2673 , 24841 , 74523 , 223569 , 670707 , 2459259 , 7377777 , 22133331 , 66399993
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66399992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66399993 can be divided by 16 positive divisors.
The sum of these divisors (counting 66399993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101010010111011111001
3
Ternary
11121221110200000
4
Quaternary
3331102323321
5
Quinary
113444244433
6
Senary
10331103213
8
Octal
375227371
10
Decimal
66399993
12
Duodecimal
1a2a1b09
16
Hexadecimal
3f52ef9
20
Vigesimal
10ejjjd
36
Base36
13j6k9
md5
e4be5f9e0b00bf0130c4dcb547b15bdd
sha1
2a1ced83683614504c75448632e9424049dc17d3
sha256
b7e0459710cd86416f6111d9790c4884660b049792f11e67682050c7a0797b84
sha512
6bef08c4a7f6511666c0f2005628856210282bf555f9de7cb3d681a57db023d471f5aa228ba78e6ffc9b52540e6d66c0532737c5c0aea05b985232f027d4b665
ripemd-160
493c74f9e49bbdb1bf3b84faec651ec72dd3b068
Diameter
132799986
Circumference
417203460.41443
Area
1.3851153425547E+16
Volume
1.2262886539977E+24
Surface area
5.5404613702188E+16
Circumference
417203460.41443
Perimeter
265599972
Area
4408959070400049
Diagonal
93903770.642079
Surface area
26453754422400294
Volume
2.9275485141185E+23
Space diagonal
115008161.49822
Perimeter
199199979
Area
1.9091352796061E+15
Altitude
57504080.749109
Surface area
1.9091352796061E+15
Volume
3.4501490109763E+22
Height
31301256.880693