628996721 is an odd 9-digits composite number following 628996720
and preceding 628996722 . In scientific notation, it is written as 6.28996721 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 628556352 positive integers (up to 628996721) that are relatively prime to 628996721.
628996721 has 4 divisors, whose sum is 629437092
The reverse of 628996721 is 127699826
Previous prime number is 1433
Is Prime? no Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred twenty-eight million nine hundred ninety-six thousand seven hundred twenty-one
Scientific notation
6.28996721 × 10^8
Engineering notation
6.28996721 × 10^6
Prime Factorization
1433 × 438937
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
628996721 Product of the distinct prime numbers
The prime factorization of 628996721 is 1433 × 438937.
Since it has a total of 2 prime factors.
1 , 7 , 83 , 45 , 677 , 289 , 9767 , 3101 , 26600 , 94921 , 206141 , 234911 , 7936056 , 9859265 , 5744170 , 14216585 , 575228401 , 782868965 , 7402385347 , 207853397
n×2
1257993442
n×3
1886990163
n×4
2515986884
n×5
3144983605
n÷2
314498360.5
n÷3
209665573.66667
n÷3
157249180.25
n÷5
125799344.2
n2
395636875028751841
n3
2.4885429709977E+26
n4
1.5652853688252E+35
n5
9.845593644203E+43
2 √n25079.807036738
3 √n856.80658145278
4 √n158.36605392804
5 √n57.508187002666
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-628996720 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 628996721 can be divided by 4 positive divisors.
The sum of these divisors (counting 628996721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011111011011101001110001
3
Ternary
1121211120100021212
4
Quaternary
211133123221301
5
Quinary
2242010343341
6
Senary
142225325505
8
Octal
4537335161
10
Decimal
628996721
12
Duodecimal
156796895
16
Hexadecimal
257dba71
20
Vigesimal
9gb4bg1
36
Base36
aehkz5
md5
9623ddf4c8f739529f3a0ec34a08fcb1
sha1
9de4cf909f8560e5d25ecb5ec7daec702830fa50
sha256
f506a11aea65558d077ca460cadb8c39b3223bce574e46fb69221978a54b4e08
sha512
4a7f2915a6767c8b14fb8dd3863561abbb5a4c31b908af55fcd26ef73854746cc169496c1f6e2a965825c4fc24c8498bda216b1878d819c998b3dfebda1c4e5b
ripemd-160
cec8bef5b99f92e0270d46e5120a8d949bca78af
Diameter
1257993442
Circumference
3952102955.6513
Area
1.2429299000795E+18
Volume
1.0423984421105E+27
Surface area
4.9717196003182E+18
Circumference
3952102955.6513
Perimeter
2515986884
Area
395636875028751841
Diagonal
889535693.52641
Surface area
2373821250172511046
Volume
2.4885429709977E+26
Space diagonal
1089454278.5662
Perimeter
1886990163
Area
1.7131579222439E+17
Altitude
544727139.28311
Surface area
1.7131579222439E+17
Volume
2.9327760167777E+25
Height
296511897.84214