642912338 is an even 9-digits composite number following 642912337
and preceding 642912339 . In scientific notation, it is written as 6.42912338 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 320713344 positive integers (up to 642912338) that are relatively prime to 642912338.
642912338 has 8 divisors, whose sum is 966596988
The reverse of 642912338 is 833219246
Previous prime number is 433
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
six hundred forty-two million nine hundred twelve thousand three hundred thirty-eight
Scientific notation
6.42912338 × 10^8
Engineering notation
6.42912338 × 10^6
Prime Factorization
2 × 433 × 742393
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
642912338 Product of the distinct prime numbers
The prime factorization of 642912338 is 2 × 433 × 742393.
Since it has a total of 3 prime factors.
3 , 4 , 80 , 96 , 443 , 92 , 6169 , 4234 , 87434 , 73540 , 148952 , 919583 , 8710905 , 1963601 , 99067591 , 87201655 , 964416640 , 296973046 , 2817220883 , 291264579
n×2
1285824676
n×3
1928737014
n×4
2571649352
n×5
3214561690
n÷2
321456169
n÷3
214304112.66667
n÷3
160728084.5
n÷5
128582467.6
n2
413336274352626244
n3
2.6573899052426E+26
n4
1.7084687569571E+35
n5
1.0983956429352E+44
2 √n25355.716081389
3 √n863.07907365076
4 √n159.234782888
5 √n57.760421270283
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-642912337 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642912338 can be divided by 8 positive divisors.
The sum of these divisors (counting 642912338) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100100001000001010010
3
Ternary
1122210202022221002
4
Quaternary
212110201001102
5
Quinary
2304041143323
6
Senary
143443502002
8
Octal
4624410122
10
Decimal
642912338
12
Duodecimal
15b387902
16
Hexadecimal
26521052
20
Vigesimal
a0i40gi
36
Base36
amruc2
md5
41755355abad16e2f1ed23c2b6c0735b
sha1
18df15b39d11b201ee5650bf9d853166ec7065fd
sha256
aa003bac60e7d9ca49de8b04bfe2db6c29c315e41b0add831edf8ba8c87b7ea7
sha512
970df6aae0e01575e1a8a31b6be7e05ac131e24adf09b107e1f8704cf18c09040c6dc4f86fc2fbb7f20aaec15f179b1b20cb9fef383eed0eb00b8d717b4c6aec
ripemd-160
bee19653f77cd21f6d5c3c34e024eeaed1efd711
Diameter
1285824676
Circumference
4039537355.9261
Area
1.2985342029684E+18
Volume
1.1131248805378E+27
Surface area
5.1941368118735E+18
Circumference
4039537355.9261
Perimeter
2571649352
Area
413336274352626244
Diagonal
909215347.8166
Surface area
2480017646115757464
Volume
2.6573899052426E+26
Space diagonal
1113556834.2289
Perimeter
1928737014
Area
1.7897985694749E+17
Altitude
556778417.11445
Surface area
1.7897985694749E+17
Volume
3.1317640370895E+25
Height
303071782.60553