15668420 is an even 8-digits composite number following 15668419
and preceding 15668421 . In scientific notation, it is written as 1.5668420 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 6267360 positive integers (up to 15668420) that are relatively prime to 15668420.
15668420 has 12 divisors, whose sum is 32903724
The reverse of 15668420 is 02486651
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
fifteen million six hundred sixty-eight thousand four hundred twenty
Scientific notation
1.5668420 × 10^7
Engineering notation
1.5668420 × 10^6
Prime Factorization
2 × 2 × 5 × 783421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7834210
Product of the distinct prime numbers
The prime factorization of 15668420 is 2 × 2 × 5 × 783421.
Since it has a total of 4 prime factors.
7 , 5 , 5 , 17 , 862 , 51 , 1315 , 3430 , 54175 , 26034 , 509998 , 464593 , 727620 , 3702517 , 45329972 , 47981641 , 790411418 , 928278004 , 3634388607 , 2355950261
n×2
31336840
n×3
47005260
n×4
62673680
n×5
78342100
n÷2
7834210
n÷3
5222806.6666667
n÷3
3917105
n÷5
3133684
n2
245499385296400
n3
3.8465874785658E+21
n4
6.026994818091E+28
n5
9.4433486147674E+35
2 √n
3958.3355087713
3 √n
250.23135915904
4 √n
62.915304249215
5 √n
27.479260483948
1 , 2 , 4 , 5 , 10 , 20 , 783421 , 1566842 , 3133684 , 3917105 , 7834210 , 15668420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15668419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15668420 can be divided by 12 positive divisors.
The sum of these divisors (counting 15668420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011110001010011000100
3
Ternary
1002111001000212
4
Quaternary
323301103010
5
Quinary
13002342140
6
Senary
1315454552
8
Octal
73612304
10
Decimal
15668420
12
Duodecimal
52b7458
16
Hexadecimal
ef14c4
20
Vigesimal
4hib10
36
Base36
9bttw
md5
3a4fd746f368481be9cd015249ba91a1
sha1
890a93074eaf42b50a375f06843a799fad0454b6
sha256
25cd31b61200b3f4ebde20617f22e02b21eeec7a6e6f70097834a045f2a113ce
sha512
82abcd23982f446d833c748090c3c54c3211baf683fdef8f76d9bd69ab72ee2152b66ccf83745c8026774d3d25264006948b6ac15aba2f7c43314d7aef77fcd5
ripemd-160
7bdb434e310bc7082a6ffb611ebe70a100fff0bd
Diameter
31336840
Circumference
98447586.330719
Area
7.7125906530798E+14
Volume
1.611254795207E+22
Surface area
3.0850362612319E+15
Circumference
98447586.330719
Perimeter
62673680
Area
245499385296400
Diagonal
22158492.064958
Surface area
1472996311778400
Volume
3.8465874785658E+21
Space diagonal
27138499.514328
Perimeter
47005260
Area
1.0630435214007E+14
Altitude
13569249.757164
Surface area
1.0630435214007E+14
Volume
4.5332468175353E+20
Height
7386164.0216526