628721839 is an odd 9-digits composite number following 628721838
and preceding 628721840 . In scientific notation, it is written as 6.28721839 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 613070400 positive integers (up to 628721839) that are relatively prime to 628721839.
628721839 has 8 divisors, whose sum is 644389200
The reverse of 628721839 is 938127826
Previous prime number is 3371
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred twenty-eight million seven hundred twenty-one thousand eight hundred thirty-nine
Scientific notation
6.28721839 × 10^8
Engineering notation
6.28721839 × 10^6
Prime Factorization
41 × 3371 × 4549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
628721839
Product of the distinct prime numbers
The prime factorization of 628721839 is 41 × 3371 × 4549.
Since it has a total of 3 prime factors.
1 , 4 , 29 , 42 , 276 , 695 , 4196 , 5389 , 71367 , 75616 , 283581 , 248972 , 6094316 , 8627309 , 3642568 , 84560617 , 669937624 , 869059000 , 3463444819 , 4873684969
n×2
1257443678
n×3
1886165517
n×4
2514887356
n×5
3143609195
n÷2
314360919.5
n÷3
209573946.33333
n÷3
157180459.75
n÷5
125744367.8
n2
395291150835541921
n3
2.4852817929375E+26
n4
1.5625509392889E+35
n5
9.8240990008088E+43
2 √n
25074.326292046
3 √n
856.68175037072
4 √n
158.34874894374
5 √n
57.503159717469
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
-628721838
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 628721839 can be divided by 8 positive divisors.
The sum of these divisors (counting 628721839) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011110011000100010101111
3
Ternary
1121211001101020001
4
Quaternary
211132120202233
5
Quinary
2241423044324
6
Senary
142215405131
8
Octal
4536304257
10
Decimal
628721839
12
Duodecimal
1566837a7
16
Hexadecimal
257988af
20
Vigesimal
9g9a4bj
36
Base36
aebovj
md5
022c1e70999ac75416b170ce303fb9fb
sha1
68c29e864a04079ccf6104eb79c258553cf1c815
sha256
436ca80338328284921263a42c8442db354536102c04799b55f8afca9d4b4e86
sha512
898e6ebbee178e7f9af68fa7482370997861ed74aebc6356c203ea6fc5e53c2a83a20ced9a64979f368d335ea103ad44d8ed43b49b889a52850455534410ec95
ripemd-160
2fa8fe93282fb932068ef63bb0c96d6a57643cea
Diameter
1257443678
Circumference
3950375821.1077
Area
1.241843775494E+18
Volume
1.041032403039E+27
Surface area
4.967375101976E+18
Circumference
3950375821.1077
Perimeter
2514887356
Area
395291150835541921
Diagonal
889146951.67395
Surface area
2371746905013251526
Volume
2.4852817929375E+26
Space diagonal
1088978168.9761
Perimeter
1886165517
Area
1.7116608925738E+17
Altitude
544489084.48807
Surface area
1.7116608925738E+17
Volume
2.9289326815759E+25
Height
296382317.22465