681864694 is an even 9-digits composite number following 681864693
and preceding 681864695 . In scientific notation, it is written as 6.81864694 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 289991520 positive integers (up to 681864694) that are relatively prime to 681864694.
681864694 has 24 divisors, whose sum is 1198889208
The reverse of 681864694 is 496468186
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred eighty-one million eight hundred sixty-four thousand six hundred ninety-four
Scientific notation
6.81864694 × 10^8
Engineering notation
6.81864694 × 10^6
Prime Factorization
2 × 7 × 7 × 131 × 53113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
97409242
Product of the distinct prime numbers
The prime factorization of 681864694 is 2 × 7 × 7 × 131 × 53113.
Since it has a total of 5 prime factors.
10 , 8 , 38 , 59 , 820 , 174 , 2986 , 856 , 53272 , 45176 , 425301 , 68843 , 5766913 , 139151 , 95408795 , 91521710 , 202138078 , 52272018 , 2607317856 , 1470293002
n×2
1363729388
n×3
2045594082
n×4
2727458776
n×5
3409323470
n÷2
340932347
n÷3
227288231.33333
n÷3
170466173.5
n÷5
136372938.8
n2
464939460923713636
n3
3.1702580325127E+26
n4
2.1616870232403E+35
n5
1.4739780606255E+44
2 √n
26112.53901864
3 √n
880.16899905087
4 √n
161.59374684263
5 √n
58.443960797894
1 , 2 , 7 , 14 , 49 , 98 , 131 , 262 , 917 , 1834 , 6419 , 12838 , 53113 , 106226 , 371791 , 743582 , 2602537 , 5205074 , 6957803 , 13915606 , 48704621 , 97409242 , 340932347 , 681864694
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-681864693
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 681864694 can be divided by 24 positive divisors.
The sum of these divisors (counting 681864694) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000101001000110110111110110
3
Ternary
1202112001022111221
4
Quaternary
220221012313312
5
Quinary
2344024132234
6
Senary
151354420554
8
Octal
5051066766
10
Decimal
681864694
12
Duodecimal
17043175a
16
Hexadecimal
28a46df6
20
Vigesimal
ad1d1ee
36
Base36
b9yq5y
md5
827890d91e17a0109dc8420cb5cd55b4
sha1
738307c27b6850452f030d271811770dd5123dfc
sha256
1af36bdde01170bd7f08972ca760561bbf57787acb3e5fe9d3245a1620b31126
sha512
413ea1aa376c98fa7412ecac9b4bd024d7afb02d345726274b95474b77a59ed66b21a9b6a6b5b12578d2dc8b89f1590c94189221b448147cae92cb5da9ed28bb
ripemd-160
dd5ae7c99e30833b0e2f62a9b18dc657fa446f5d
Diameter
1363729388
Circumference
4284282226.8253
Area
1.4606503948019E+18
Volume
1.3279545793235E+27
Surface area
5.8426015792077E+18
Circumference
4284282226.8253
Perimeter
2727458776
Area
464939460923713636
Diagonal
964302297.95818
Surface area
2789636765542281816
Volume
3.1702580325127E+26
Space diagonal
1181024293.8954
Perimeter
2045594082
Area
2.0132469219089E+17
Altitude
590512146.9477
Surface area
2.0132469219089E+17
Volume
3.7361849215015E+25
Height
321434099.31939