642738579 is an odd 9-digits composite number following 642738578
and preceding 642738580 . In scientific notation, it is written as 6.42738579 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 360348768 positive integers (up to 642738579) that are relatively prime to 642738579.
642738579 has 8 divisors, whose sum is 686050992
The reverse of 642738579 is 975837246
Previous prime number is 53
Is Prime? no Number parity odd Number length 9 Sum of Digits 51 Digital Root 6
Name
six hundred forty-two million seven hundred thirty-eight thousand five hundred seventy-nine
Scientific notation
6.42738579 × 10^8
Engineering notation
6.42738579 × 10^6
Prime Factorization
21 × 53 × 577483
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
642738579 Product of the distinct prime numbers
The prime factorization of 642738579 is 21 × 53 × 577483.
Since it has a total of 3 prime factors.
3 , 8 , 24 , 87 , 306 , 172 , 4240 , 8216 , 35750 , 26196 , 634470 , 633432 , 4717299 , 6513054 , 78930640 , 50930294 , 47066597 , 370824620 , 4940302820 , 7416990723
n×2
1285477158
n×3
1928215737
n×4
2570954316
n×5
3213692895
n÷2
321369289.5
n÷3
214246193
n÷3
160684644.75
n÷5
128547715.8
n2
413112880934939241
n3
2.6552358605872E+26
n4
1.7066225239437E+35
n5
1.0969121359289E+44
2 √n25352.289423245
3 √n863.00131226172
4 √n159.22402275802
5 √n57.757298767376
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
-642738578 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 642738579 can be divided by 8 positive divisors.
The sum of these divisors (counting 642738579) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011110110100110010011
3
Ternary
1122210102111120120
4
Quaternary
212103312212103
5
Quinary
2304020113304
6
Senary
143440041323
8
Octal
4623664623
10
Decimal
642738579
12
Duodecimal
15b303243
16
Hexadecimal
264f6993
20
Vigesimal
a0h268j
36
Base36
amo49f
md5
74b74f21d21e5b2c932c00d8973a6761
sha1
c2556d78f8e69dd850e4648c518dc4348e1369ff
sha256
6545ea5e6137ec43149e595f83caaf72dd16bd170cff24cd9000c35e2991d17a
sha512
171fc04f24c3bb42990e92a77c6d332e700368ae05494741a96b157e71a1c66780fd2f955e4d39a293b24282da172d6b1e136008f3da7ae553d944d2b46e7617
ripemd-160
d70ca44597f0103504f51e743c66bb7d36a57285
Diameter
1285477158
Circumference
4038445595.9303
Area
1.2978323918485E+18
Volume
1.1122225964225E+27
Surface area
5.1913295673941E+18
Circumference
4038445595.9303
Perimeter
2570954316
Area
413112880934939241
Diagonal
908969615.48221
Surface area
2478677285609635446
Volume
2.6552358605872E+26
Space diagonal
1113255874.8126
Perimeter
1928215737
Area
1.7888312476012E+17
Altitude
556627937.40631
Surface area
1.7888312476012E+17
Volume
3.1292254711182E+25
Height
302989871.8274