642770628 is an even 9-digits composite number following 642770627
and preceding 642770629 . In scientific notation, it is written as 6.42770628 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 214256872 positive integers (up to 642770628) that are relatively prime to 642770628.
642770628 has 12 divisors, whose sum is 1499798160
The reverse of 642770628 is 826077246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million seven hundred seventy thousand six hundred twenty-eight
Scientific notation
6.42770628 × 10^8
Engineering notation
6.42770628 × 10^6
Prime Factorization
2 × 2 × 3 × 53564219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321385314
Product of the distinct prime numbers
The prime factorization of 642770628 is 2 × 2 × 3 × 53564219.
Since it has a total of 4 prime factors.
9 , 9 , 16 , 64 , 751 , 750 , 8055 , 6934 , 58722 , 94779 , 283187 , 588251 , 1090354 , 6724355 , 77426594 , 27849750 , 985744712 , 342412794 , 8307267042 , 2057248275
n×2
1285541256
n×3
1928311884
n×4
2571082512
n×5
3213853140
n÷2
321385314
n÷3
214256876
n÷3
160692657
n÷5
128554125.6
n2
413154080219514384
n3
2.6556330760346E+26
n4
1.7069629400203E+35
n5
1.0971856409296E+44
2 √n
25352.92148846
3 √n
863.01565602462
4 √n
159.22600757558
5 √n
57.757874748594
1 , 2 , 3 , 4 , 6 , 12 , 53564219 , 107128438 , 160692657 , 214256876 , 321385314 , 642770628
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
-642770627
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 642770628 can be divided by 12 positive divisors.
The sum of these divisors (counting 642770628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010011111110011011000100
3
Ternary
1122210111010112120
4
Quaternary
212103332123010
5
Quinary
2304022130003
6
Senary
143440445540
8
Octal
4623763304
10
Decimal
642770628
12
Duodecimal
15b3198b0
16
Hexadecimal
264fe6c4
20
Vigesimal
a0h66b8
36
Base36
amoszo
md5
0dfa4e8b870df5481859002780296130
sha1
be251b02d6872543cf3317c9eb671a9e9d0c5e42
sha256
0f1351e7372b83537b6919214c94bf00145f8e2c44347ba06bc6dcbc9e82d9f0
sha512
53f1c07e2198ac8b6f079ba11350715ae990de518f00d30774c066a4e4b6dddbd7c6fa356eedc1c50ebdf64c52ab70ce41916a147ee9f9176ddd1d9b525c6b14
ripemd-160
56ae92d9c5187d451ce43d556827feee2da8e651
Diameter
1285541256
Circumference
4038646965.7362
Area
1.2979618232183E+18
Volume
1.11238898164E+27
Surface area
5.1918472928731E+18
Circumference
4038646965.7362
Perimeter
2571082512
Area
413154080219514384
Diagonal
909014939.61267
Surface area
2478924481317086304
Volume
2.6556330760346E+26
Space diagonal
1113311385.309
Perimeter
1928311884
Area
1.7890096457365E+17
Altitude
556655692.65448
Surface area
1.7890096457365E+17
Volume
3.1296935940123E+25
Height
303004979.87089