690640 is an even 6-digits composite number following 690639
and preceding 690641 . In scientific notation, it is written as 6.90640 × 10^5.
The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors.
There are 270336 positive integers (up to 690640) that are relatively prime to 690640.
690640 has 40 divisors, whose sum is 1640520
The reverse of 690640 is 046096
Previous prime number is 97
Is Prime? no
Number parity even
Number length 6
Sum of Digits 25
Digital Root 7
Name
six hundred ninety thousand six hundred forty
Scientific notation
6.90640 × 10^5
Engineering notation
6.90640 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 5 × 97 × 89
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
86330
Product of the distinct prime numbers
The prime factorization of 690640 is 2 × 2 × 2 × 2 × 5 × 97 × 89.
Since it has a total of 7 prime factors.
3 , 1 , 31 , 25 , 771 , 340 , 9753 , 6752 , 97977 , 5644 , 492439 , 358444 , 5490380 , 6471746 , 82485512 , 89642967 , 454144024 , 186514353 , 6844108348 , 982897389
n×2
1381280
n×3
2071920
n×4
2762560
n×5
3453200
n÷2
345320
n÷3
230213.33333333
n÷3
172660
n÷5
138128
n2
476983609600
n3
329423960134144000
n4
2.2751336382705E+23
n5
1.5712982959351E+29
2 √n
831.04753173329
3 √n
88.392871534
4 √n
28.82789502779
5 √n
14.71805242675
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 89 , 97 , 178 , 194 , 356 , 388 , 445 , 485 , 712 , 776 , 890 , 970 , 1424 , 1552 , 1780 , 1940 , 3560 , 3880 , 7120 , 7760 , 8633 , 17266 , 34532 , 43165 , 69064 , 86330 , 138128 , 172660 , 345320 , 690640
40 divisors
τ
Total Divisors
40
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-690639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.025
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
40
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 690640 can be divided by 40 positive divisors.
The sum of these divisors (counting 690640) is 1, the average is 0.025.
Base
System
Value
2
Binary
10101000100111010000
3
Ternary
1022002101021
4
Quaternary
2220213100
5
Quinary
134100030
6
Senary
22445224
8
Octal
2504720
10
Decimal
690640
12
Duodecimal
293814
16
Hexadecimal
a89d0
20
Vigesimal
466c0
36
Base36
eswg
md5
bfd2a70f1e0c568cf2ce74566418c72c
sha1
434604271a3de8ec176d9ce7c08fadc3235c2c04
sha256
977f50ac2337777d81ee73e6f6924eebb5a5b4f05a35c910834ecd51fab82e62
sha512
56260dee1a196b6c859379bb44bcaaba6b78a0fc253cfd8d6d563300ef9ada7a82778ef0eb6e9caa6b368268a87948ce0c5face1aa87826f305be11bb8e1910e
ripemd-160
57b6aba68e07350bc05d85ac971c9d8e3269a3b9
Diameter
1381280
Circumference
4339419.1005505
Area
1498488203802.1
Volume
1.3798878574318E+18
Surface area
5993952815208.4
Circumference
4339419.1005505
Perimeter
2762560
Area
476983609600
Diagonal
976712.45471735
Surface area
2861901657600
Volume
329423960134144000
Space diagonal
1196223.5697394
Perimeter
2071920
Area
206539961551.2
Altitude
598111.78486968
Surface area
206539961551.2
Volume
3.882298601603E+16
Height
325570.81823912