642912772 is an even 9-digits composite number following 642912771
and preceding 642912773 . In scientific notation, it is written as 6.42912772 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 320441696 positive integers (up to 642912772) that are relatively prime to 642912772.
642912772 has 12 divisors, whose sum is 1128648780
The reverse of 642912772 is 277219246
Previous prime number is 317
Is Prime? no Number parity even Number length 9 Sum of Digits 40 Digital Root 4
Name
six hundred forty-two million nine hundred twelve thousand seven hundred seventy-two
Scientific notation
6.42912772 × 10^8
Engineering notation
6.42912772 × 10^6
Prime Factorization
2 × 2 × 317 × 507029
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
321456386 Product of the distinct prime numbers
The prime factorization of 642912772 is 2 × 2 × 317 × 507029.
Since it has a total of 4 prime factors.
9 , 1 , 81 , 28 , 959 , 737 , 913 , 1352 , 96138 , 82696 , 943447 , 896606 , 914576 , 1186942 , 79846076 , 53991373 , 707735779 , 246199579 , 3738458780 , 51247767
n×2
1285825544
n×3
1928738316
n×4
2571651088
n×5
3214563860
n÷2
321456386
n÷3
214304257.33333
n÷3
160728193
n÷5
128582554.4
n2
413336832400723984
n3
2.6573952868845E+26
n4
1.7084733701906E+35
n5
1.0983993503174E+44
2 √n25355.724639615
3 √n863.0792678588
4 √n159.23480976098
5 √n57.760429068552
1 , 2 , 4 , 317 , 634 , 1268 , 507029 , 1014058 , 2028116 , 160728193 , 321456386 , 642912772
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
-642912771 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 642912772 can be divided by 12 positive divisors.
The sum of these divisors (counting 642912772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010100100001001000000100
3
Ternary
1122210202100112011
4
Quaternary
212110201020010
5
Quinary
2304041202042
6
Senary
143443504004
8
Octal
4624411004
10
Decimal
642912772
12
Duodecimal
15b388004
16
Hexadecimal
26521204
20
Vigesimal
a0i41ic
36
Base36
amruo4
md5
1f18af2c6cf79a7dfb65d710541461de
sha1
f3d2e9fd23d63776c943897b07aeffb3c25d941b
sha256
fe5bc20242e55805a76a0613fef8f4e6b60a9621bfbf2c529dd967e79a431eca
sha512
59b559c00111462f852bb0f37282d2cc52a394999effca160605914c403d53fb115f33ee9e9680f42a911894e39e8b585b0bc73cfd20383907d713c3f8e74f28
ripemd-160
5922c3e45284b94e71838f3192d512ccd3c69f4b
Diameter
1285825544
Circumference
4039540082.8285
Area
1.2985359561282E+18
Volume
1.1131271347947E+27
Surface area
5.1941438245128E+18
Circumference
4039540082.8285
Perimeter
2571651088
Area
413336832400723984
Diagonal
909215961.58528
Surface area
2480020994404343904
Volume
2.6573952868845E+26
Space diagonal
1113557585.9389
Perimeter
1928738316
Area
1.7898009858941E+17
Altitude
556778792.96947
Surface area
1.7898009858941E+17
Volume
3.1317703794153E+25
Height
303071987.19509