680638861 is an odd 9-digits composite number following 680638860
and preceding 680638862 . In scientific notation, it is written as 6.80638861 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 583404696 positive integers (up to 680638861) that are relatively prime to 680638861.
680638861 has 4 divisors, whose sum is 694529500
The reverse of 680638861 is 168836086
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred eighty million six hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
6.80638861 × 10^8
Engineering notation
6.80638861 × 10^6
Prime Factorization
49 × 13890589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
680638861
Product of the distinct prime numbers
The prime factorization of 680638861 is 49 × 13890589.
Since it has a total of 2 prime factors.
6 , 10 , 18 , 86 , 623 , 552 , 8920 , 4558 , 41461 , 59774 , 249477 , 644241 , 3464900 , 7904419 , 59340970 , 2056950 , 597578314 , 129737045 , 5413983241 , 7391845009
n×2
1361277722
n×3
2041916583
n×4
2722555444
n×5
3403194305
n÷2
340319430.5
n÷3
226879620.33333
n÷3
170159715.25
n÷5
136127772.2
n2
463269259103377321
n3
3.1531906085244E+26
n4
2.1461840643019E+35
n5
1.4607762770228E+44
2 √n
26089.056345525
3 √n
879.64123676351
4 √n
161.52107090261
5 √n
58.422931960159
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
-680638860
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 680638861 can be divided by 4 positive divisors.
The sum of these divisors (counting 680638861) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100100011011100110001101
3
Ternary
1202102202000222201
4
Quaternary
220210123212031
5
Quinary
2343220420421
6
Senary
151312241501
8
Octal
5044334615
10
Decimal
680638861
12
Duodecimal
16bb40291
16
Hexadecimal
2891b98d
20
Vigesimal
acdjh31
36
Base36
b98gb1
md5
14b4dd319b832cb1ed1005dffc8b28f8
sha1
088da61ba4d3cf76a4c9f8f3c7f532538da3a059
sha256
c6acce85f2cde3931d95412839524634d2c2254e5daba150a6fa7c1ff85db9d0
sha512
b9692b4179e6ae1237433f78bf106b56373302eb7cb0a703251dc1b44be90cb20f723364d8dc60d169d7cedb88b77637214c976019075dd815e27fafb7624a03
ripemd-160
e7eccc5f0c70f3fbeaa41ab22cc6367b92250a13
Diameter
1361277722
Circumference
4276580090.9306
Area
1.4554033010332E+18
Volume
1.3208053934811E+27
Surface area
5.8216132041326E+18
Circumference
4276580090.9306
Perimeter
2722555444
Area
463269259103377321
Diagonal
962568708.30438
Surface area
2779615554620263926
Volume
3.1531906085244E+26
Space diagonal
1178901088.8578
Perimeter
2041916583
Area
2.0060147358796E+17
Altitude
589450544.42891
Surface area
2.0060147358796E+17
Volume
3.7160707694355E+25
Height
320856236.10146