642693992 is an even 9-digits composite number following 642693991
and preceding 642693993 . In scientific notation, it is written as 6.42693992 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors.
There are 321346992 positive integers (up to 642693992) that are relatively prime to 642693992.
642693992 has 8 divisors, whose sum is 1205051250
The reverse of 642693992 is 299396246
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred forty-two million six hundred ninety-three thousand nine hundred ninety-two
Scientific notation
6.42693992 × 10^8
Engineering notation
6.42693992 × 10^6
Prime Factorization
2 × 2 × 2 × 80336749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
160673498
Product of the distinct prime numbers
The prime factorization of 642693992 is 2 × 2 × 2 × 80336749.
Since it has a total of 4 prime factors.
1 , 8 , 95 , 86 , 862 , 676 , 7530 , 8679 , 98709 , 40975 , 416084 , 983189 , 352020 , 5330710 , 55934567 , 36734691 , 354771234 , 680006550 , 7025206884 , 7687050897
n×2
1285387984
n×3
1928081976
n×4
2570775968
n×5
3213469960
n÷2
321346996
n÷3
214231330.66667
n÷3
160673498
n÷5
128538798.4
n2
413055567352896064
n3
2.6546833149986E+26
n4
1.7061490172122E+35
n5
1.096531722819E+44
2 √n
25351.410059403
3 √n
862.98135623265
4 √n
159.22126132964
5 √n
57.756497416337
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
-642693991
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 642693992 can be divided by 8 positive divisors.
The sum of these divisors (counting 642693992) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011101011101101101000
3
Ternary
1122210100020102012
4
Quaternary
212103223231220
5
Quinary
2304012201432
6
Senary
143435055052
8
Octal
4623535550
10
Decimal
642693992
12
Duodecimal
15b2a1488
16
Hexadecimal
264ebb68
20
Vigesimal
a0ggejc
36
Base36
amn5uw
md5
8e3acf47d25a47f7f5e2e3f2b98d4583
sha1
f71acbb144c9a897805730c8b99806177e703e38
sha256
d9fc9983fc35b790e907f2602de4c367609caa56d6f59d507d9998cd6e333f60
sha512
d4bddbc7ce82236099c17c2f0726f6dd28dc24c677163297582742a189d43220de105357d55a7117306d196631d33d98efa2415ef66b66c09fc69850be9a2dd0
ripemd-160
84e08b85c601c821d1da8be54b25088454dfabb5
Diameter
1285387984
Circumference
4038165447.547
Area
1.2976523359202E+18
Volume
1.1119911466676E+27
Surface area
5.1906093436809E+18
Circumference
4038165447.547
Perimeter
2570775968
Area
413055567352896064
Diagonal
908906559.94211
Surface area
2478333404117376384
Volume
2.6546833149986E+26
Space diagonal
1113178647.8633
Perimeter
1928081976
Area
1.788583072511E+17
Altitude
556589323.93163
Surface area
1.788583072511E+17
Volume
3.1285742898971E+25
Height
302968853.31404