681940994 is an even 9-digits composite number following 681940993
and preceding 681940995 . In scientific notation, it is written as 6.81940994 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 292260420 positive integers (up to 681940994) that are relatively prime to 681940994.
681940994 has 8 divisors, whose sum is 1169041728
The reverse of 681940994 is 499049186
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred eighty-one million nine hundred forty thousand nine hundred ninety-four
Scientific notation
6.81940994 × 10^8
Engineering notation
6.81940994 × 10^6
Prime Factorization
2 × 7 × 48710071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681940994
Product of the distinct prime numbers
The prime factorization of 681940994 is 2 × 7 × 48710071.
Since it has a total of 3 prime factors.
1 , 8 , 60 , 34 , 674 , 984 , 1085 , 6832 , 4197 , 15977 , 323964 , 144064 , 7301509 , 3812130 , 66163826 , 91657487 , 397560133 , 377901947 , 4130418694 , 1137560606
n×2
1363881988
n×3
2045822982
n×4
2727763976
n×5
3409704970
n÷2
340970497
n÷3
227313664.66667
n÷3
170485248.5
n÷5
136388198.8
n2
465043519297708036
n3
3.1713223980314E+26
n4
2.162654748408E+35
n5
1.4748029288082E+44
2 √n
26113.999961706
3 √n
880.2018278464
4 √n
161.59826719896
5 √n
58.445268703896
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
-681940993
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 681940994 can be divided by 8 positive divisors.
The sum of these divisors (counting 681940994) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101001011001100000000010
3
Ternary
1202112012012011212
4
Quaternary
220221121200002
5
Quinary
2344034102434
6
Senary
151400210122
8
Octal
5051314002
10
Decimal
681940994
12
Duodecimal
170469942
16
Hexadecimal
28a59802
20
Vigesimal
ad22c9e
36
Base36
ba0d1e
md5
3d81cd6eea246d8b1ce375ea19281173
sha1
e4a903774eac95b4ec193a8618e6886d0c7f9212
sha256
2bc47c2a39469a9a0e81df7d14da9370d7feccf491e055acb8f84f1c8788e8b6
sha512
ba62c99903eeb3ca05a700a8ccf01e70e1a6436d2c2a37554af834ad5ecc0f02abf0450149fc6aa0ff15aa5b362a4ed5e7e7789cd1b0efa8800db1bc6dbf7f4d
ripemd-160
ca26e23294ad5c73e7a4c495f25297c589c46dc6
Diameter
1363881988
Circumference
4284761633.8642
Area
1.4609773038252E+18
Volume
1.3284004197093E+27
Surface area
5.8439092153009E+18
Circumference
4284761633.8642
Perimeter
2727763976
Area
465043519297708036
Diagonal
964410202.45299
Surface area
2790261115786248216
Volume
3.1713223980314E+26
Space diagonal
1181156449.372
Perimeter
2045822982
Area
2.0136975078857E+17
Altitude
590578224.68601
Surface area
2.0136975078857E+17
Volume
3.7374392882946E+25
Height
321470067.48433