628487961 is an odd 9-digits composite number following 628487960
and preceding 628487962 . In scientific notation, it is written as 6.28487961 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 418991972 positive integers (up to 628487961) that are relatively prime to 628487961.
628487961 has 4 divisors, whose sum is 837983952
The reverse of 628487961 is 169784826
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred twenty-eight million four hundred eighty-seven thousand nine hundred sixty-one
Scientific notation
6.28487961 × 10^8
Engineering notation
6.28487961 × 10^6
Prime Factorization
3 × 209495987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
628487961
Product of the distinct prime numbers
The prime factorization of 628487961 is 3 × 209495987.
Since it has a total of 2 prime factors.
4 , 9 , 51 , 38 , 944 , 344 , 1645 , 7948 , 81439 , 64537 , 647654 , 354838 , 516334 , 6847253 , 80293240 , 15203434 , 831199625 , 780848042 , 41342129 , 2606454113
n×2
1256975922
n×3
1885463883
n×4
2513951844
n×5
3142439805
n÷2
314243980.5
n÷3
209495987
n÷3
157121990.25
n÷5
125697592.2
n2
394997117121937521
n3
2.4825093274084E+26
n4
1.5602272253464E+35
n5
9.8058402755466E+43
2 √n
25069.662163659
3 √n
856.57551162255
4 √n
158.3340208662
5 √n
57.498880965017
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
-628487960
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 628487961 can be divided by 4 positive divisors.
The sum of these divisors (counting 628487961) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011101011111011100011001
3
Ternary
1121210121111101220
4
Quaternary
211131133130121
5
Quinary
2241343103321
6
Senary
142210402253
8
Octal
4535373431
10
Decimal
628487961
12
Duodecimal
156590389
16
Hexadecimal
2575f719
20
Vigesimal
9g80ji1
36
Base36
ae6oex
md5
fd9ae3129c8b3223aee3226ad70dda94
sha1
30f54eb42ac9114bb5498fd32ab3a00e401e0689
sha256
b235e971ff2aba003037c39de4b6ff2493c53918ed9d99fce364bc7d46898c8b
sha512
6c3d067f0aea391154715518fad47bf7d65e65e7e6d1b841379949fa8bd7e028bc8876d3853e16e5de0e30e0c973fa58ea5c69cbbffb1fe7e3bf4b9a6887aa4a
ripemd-160
e84c84cf2fbf563ab4de725b420975a230982a35
Diameter
1256975922
Circumference
3948906322.2945
Area
1.2409200413394E+18
Volume
1.0398710753939E+27
Surface area
4.9636801653577E+18
Circumference
3948906322.2945
Perimeter
2513951844
Area
394997117121937521
Diagonal
888816198.23441
Surface area
2369982702731625126
Volume
2.4825093274084E+26
Space diagonal
1088573080.3974
Perimeter
1885463883
Area
1.7103876892461E+17
Altitude
544286540.19868
Surface area
1.7103876892461E+17
Volume
2.9256652996156E+25
Height
296272066.07814