669968985 is an odd 9-digits composite number following 669968984
and preceding 669968986 . In scientific notation, it is written as 6.69968985 × 10^8.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 306271488 positive integers (up to 669968985) that are relatively prime to 669968985.
669968985 has 8 divisors, whose sum is 816724224
The reverse of 669968985 is 589869966
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 66
Digital Root 3
Name
six hundred sixty-nine million nine hundred sixty-eight thousand nine hundred eighty-five
Scientific notation
6.69968985 × 10^8
Engineering notation
6.69968985 × 10^6
Prime Factorization
15 × 7 × 6380657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
669968985
Product of the distinct prime numbers
The prime factorization of 669968985 is 15 × 7 × 6380657.
Since it has a total of 3 prime factors.
9 , 2 , 18 , 54 , 894 , 104 , 2013 , 8117 , 27044 , 68958 , 810342 , 938379 , 9676360 , 229444 , 57616771 , 56524914 , 138653439 , 700149589 , 3866533168 , 1578225148
n×2
1339937970
n×3
2009906955
n×4
2679875940
n×5
3349844925
n÷2
334984492.5
n÷3
223322995
n÷3
167492246.25
n÷5
133993797
n2
448858440861930225
n3
3.0072123403295E+26
n4
2.01473899933E+35
n5
1.3498126424211E+44
2 √n
25883.759097164
3 √n
875.02050999543
4 √n
160.88430345178
5 √n
58.238601776781
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
-669968984
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 669968985 can be divided by 8 positive divisors.
The sum of these divisors (counting 669968985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111111011101110101001011001
3
Ternary
1201200122221200010
4
Quaternary
213323232221121
5
Quinary
2333003001420
6
Senary
150251432133
8
Octal
4773565131
10
Decimal
669968985
12
Duodecimal
168455649
16
Hexadecimal
27eeea59
20
Vigesimal
a976295
36
Base36
b2vrdl
md5
c6e99a075ba0b374244c59aa21bb7e90
sha1
6d52990a0cdec756f54a1b591708e13d8f3b0055
sha256
e548209507517004d29b25437eb5df2ad932be39f9494557449da4eeb8fefbf6
sha512
84265c3ce7eeea8d656ae505b76c34d25ad220a8c4185405343e26ced260529ab47410c36279b7fce767f8350a9514fa7694ffccff8c4c848a40ea07d0a2845e
ripemd-160
0a8de1f050cab1edeba8d2a98088b49444c3070e
Diameter
1339937970
Circumference
4209539282.818
Area
1.4101303803136E+18
Volume
1.2596581594885E+27
Surface area
5.6405215212544E+18
Circumference
4209539282.818
Perimeter
2679875940
Area
448858440861930225
Diagonal
947479224.95634
Surface area
2693150645171581350
Volume
3.0072123403295E+26
Space diagonal
1160420321.5154
Perimeter
2009906955
Area
1.9436140624475E+17
Altitude
580210160.75768
Surface area
1.9436140624475E+17
Volume
3.5440337305248E+25
Height
315826408.31878