679968681 is an odd 9-digits composite number following 679968680
and preceding 679968682 . In scientific notation, it is written as 6.79968681 × 10^8.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 386167824 positive integers (up to 679968681) that are relatively prime to 679968681.
679968681 has 8 divisors, whose sum is 716721984
The reverse of 679968681 is 186869976
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
six hundred seventy-nine million nine hundred sixty-eight thousand six hundred eighty-one
Scientific notation
6.79968681 × 10^8
Engineering notation
6.79968681 × 10^6
Prime Factorization
21 × 163 × 198647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
679968681
Product of the distinct prime numbers
The prime factorization of 679968681 is 21 × 163 × 198647.
Since it has a total of 3 prime factors.
7 , 7 , 7 , 60 , 777 , 903 , 1027 , 7781 , 40854 , 45824 , 350684 , 635759 , 116134 , 1917495 , 20401588 , 62736215 , 902656971 , 5543706 , 2668668664 , 658937543
n×2
1359937362
n×3
2039906043
n×4
2719874724
n×5
3399843405
n÷2
339984340.5
n÷3
226656227
n÷3
169992170.25
n÷5
135993736.2
n2
462357407140879761
n3
3.1438855628416E+26
n4
2.1377437193804E+35
n5
1.4535987771831E+44
2 √n
26076.209099484
3 √n
879.35243380196
4 √n
161.48129643858
5 √n
58.411422387963
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
-679968680
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 679968681 can be divided by 8 positive divisors.
The sum of these divisors (counting 679968681) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000100001110111111110101001
3
Ternary
1202101110222200020
4
Quaternary
220201313332221
5
Quinary
2343032444211
6
Senary
151250031053
8
Octal
5041677651
10
Decimal
679968681
12
Duodecimal
16b878489
16
Hexadecimal
28877fa9
20
Vigesimal
ac9g1e1
36
Base36
b8u36x
md5
622b94b27994673c2d14d1f964c7ba07
sha1
cda853be6a04d848c9955c8e04faad103b12d025
sha256
6db5cf02ed65deba8ab5caf42cd161ec25935a9fe998079451cb821e3f28c6f7
sha512
f97d519814802dede0f7c7e4db9018e393cfc3c4b26cabd8c5d69c6e00fcea40708a8019fb34713069a8beb0e06d709b59d8af1bb07a0fa4a2abfb93853a059a
ripemd-160
94c89826ebdd628f027ca7f4640b73f1ba4dff7f
Diameter
1359937362
Circumference
4272369225.8015
Area
1.4525386336066E+18
Volume
1.31690770506E+27
Surface area
5.8101545344265E+18
Circumference
4272369225.8015
Perimeter
2719874724
Area
462357407140879761
Diagonal
961620930.65914
Surface area
2774144442845278566
Volume
3.1438855628416E+26
Space diagonal
1177740303.0476
Perimeter
2039906043
Area
2.0020663010595E+17
Altitude
588870151.5238
Surface area
2.0020663010595E+17
Volume
3.705104667933E+25
Height
320540310.21971