642912108 is an even 9-digits composite number following 642912107
and preceding 642912109 . In scientific notation, it is written as 6.42912108 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 214304032 positive integers (up to 642912108) that are relatively prime to 642912108.
642912108 has 12 divisors, whose sum is 1500128280
The reverse of 642912108 is 801219246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
six hundred forty-two million nine hundred twelve thousand one hundred eight
Scientific notation
6.42912108 × 10^8
Engineering notation
6.42912108 × 10^6
Prime Factorization
2 × 2 × 3 × 53576009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321456054
Product of the distinct prime numbers
The prime factorization of 642912108 is 2 × 2 × 3 × 53576009.
Since it has a total of 4 prime factors.
4 , 5 , 84 , 66 , 802 , 333 , 7855 , 7337 , 18483 , 80035 , 116476 , 818291 , 6250680 , 8404251 , 39381709 , 39665401 , 521639163 , 884122 , 6939589730 , 2245216499
n×2
1285824216
n×3
1928736324
n×4
2571648432
n×5
3214560540
n÷2
321456054
n÷3
214304036
n÷3
160728027
n÷5
128582421.6
n2
413335978613003664
n3
2.6573870532233E+26
n4
1.7084663121597E+35
n5
1.0983936781976E+44
2 √n
25355.711545922
3 √n
863.07897072942
4 √n
159.23476864656
5 √n
57.760417137559
1 , 2 , 3 , 4 , 6 , 12 , 53576009 , 107152018 , 160728027 , 214304036 , 321456054 , 642912108
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
-642912107
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 642912108 can be divided by 12 positive divisors.
The sum of these divisors (counting 642912108) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010100100000111101101100
3
Ternary
1122210202022121120
4
Quaternary
212110200331230
5
Quinary
2304041141413
6
Senary
143443500540
8
Octal
4624407554
10
Decimal
642912108
12
Duodecimal
15b387750
16
Hexadecimal
26520f6c
20
Vigesimal
a0i4058
36
Base36
amru5o
md5
1d55691ad13f5775e7a12197fd253739
sha1
93ee839692a1db0eee3d708a9ce9e0977dd0f986
sha256
4a0019607137b49cd03ff1595ae6bc6b74ed99c490f570035c582b0b15374f25
sha512
6dffaef91cbcbd16bce9b736be99dd2490914275edfad6dea58030b8a508bf04122373b034653d1943927287ed2eb7117401acb7ec47b07a6f15bb7be5e23d46
ripemd-160
66888c488f9b6929f04a9d1380091e9840d7604e
Diameter
1285824216
Circumference
4039535910.7935
Area
1.298533273875E+18
Volume
1.1131236858868E+27
Surface area
5.1941330954998E+18
Circumference
4039535910.7935
Perimeter
2571648432
Area
413335978613003664
Diagonal
909215022.54748
Surface area
2480015871678021984
Volume
2.6573870532233E+26
Space diagonal
1113556435.8572
Perimeter
1928736324
Area
1.7897972888848E+17
Altitude
556778217.9286
Surface area
1.7897972888848E+17
Volume
3.1317606759525E+25
Height
303071674.18249