620494987 is an odd 9-digits composite number following 620494986
and preceding 620494988 . In scientific notation, it is written as 6.20494987 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 520534896 positive integers (up to 620494987) that are relatively prime to 620494987.
620494987 has 12 divisors, whose sum is 737160480
The reverse of 620494987 is 789494026
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred twenty million four hundred ninety-four thousand nine hundred eighty-seven
Scientific notation
6.20494987 × 10^8
Engineering notation
6.20494987 × 10^6
Prime Factorization
7 × 7 × 47 × 269429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
88642141
Product of the distinct prime numbers
The prime factorization of 620494987 is 7 × 7 × 47 × 269429.
Since it has a total of 4 prime factors.
6 , 1 , 68 , 18 , 385 , 197 , 8977 , 5850 , 54678 , 82632 , 525702 , 267088 , 8103044 , 6785751 , 2699068 , 85748310 , 774751145 , 442740791 , 2083211335 , 9660771901
n×2
1240989974
n×3
1861484961
n×4
2481979948
n×5
3102474935
n÷2
310247493.5
n÷3
206831662.33333
n÷3
155123746.75
n÷5
124098997.4
n2
385014028892130169
n3
2.3889927485224E+26
n4
1.4823580244375E+35
n5
9.1979572310269E+43
2 √n
24909.736791062
3 √n
852.92876073704
4 √n
157.8281875682
5 √n
57.351879570732
1 , 7 , 47 , 49 , 329 , 2303 , 269429 , 1886003 , 12663163 , 13202021 , 88642141 , 620494987
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
-620494986
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 620494987 can be divided by 12 positive divisors.
The sum of these divisors (counting 620494987) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100100111111000000000010001011
3
Ternary
1121020120102002211
4
Quaternary
210333000002023
5
Quinary
2232321314422
6
Senary
141323205551
8
Octal
4477000213
10
Decimal
620494987
12
Duodecimal
1539768b7
16
Hexadecimal
24fc008b
20
Vigesimal
9di1h97
36
Base36
a9fczv
md5
354c42a9a33ec4d5e0976d6f876c6802
sha1
1191d0b41c5cd8cfe3bd50b416396b021ff00035
sha256
84d321a41db7774ca853190ce131c998c7a21724e000182a5c424f8202c5e69f
sha512
dbaf61c362af85c60a7916c79952e5a8ab183bdf673b4edbcbf188cffce8666bd337c205439d653bffd78fccb98ee01ec52d42605d3caca7657e206b29c71d56
ripemd-160
28b3cb2bbf5649d4cbf294c502211e4d7faa8696
Diameter
1240989974
Circumference
3898684985.497
Area
1.2095572446965E+18
Volume
1.0006989424316E+27
Surface area
4.8382289787861E+18
Circumference
3898684985.497
Perimeter
2481979948
Area
385014028892130169
Diagonal
877512425.99992
Surface area
2310084173352781014
Volume
2.3889927485224E+26
Space diagonal
1074728843.3258
Perimeter
1861484961
Area
1.6671596491699E+17
Altitude
537364421.66289
Surface area
1.6671596491699E+17
Volume
2.8154549544761E+25
Height
292504141.99997