681815393 is an odd 9-digits composite number following 681815392
and preceding 681815394 . In scientific notation, it is written as 6.81815393 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 584250480 positive integers (up to 681815393) that are relatively prime to 681815393.
681815393 has 8 divisors, whose sum is 779434560
The reverse of 681815393 is 393518186
Previous prime number is 4261
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred eighty-one million eight hundred fifteen thousand three hundred ninety-three
Scientific notation
6.81815393 × 10^8
Engineering notation
6.81815393 × 10^6
Prime Factorization
7 × 4261 × 22859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681815393
Product of the distinct prime numbers
The prime factorization of 681815393 is 7 × 4261 × 22859.
Since it has a total of 3 prime factors.
10 , 5 , 38 , 35 , 340 , 224 , 1573 , 3333 , 12454 , 53460 , 314845 , 446078 , 2575643 , 6368275 , 52160399 , 48264363 , 500481138 , 928946709 , 932644428 , 1057045310
n×2
1363630786
n×3
2045446179
n×4
2727261572
n×5
3409076965
n÷2
340907696.5
n÷3
227271797.66667
n÷3
170453848.25
n÷5
136363078.6
n2
464872230131744449
n3
3.1695704228206E+26
n4
2.1610619034766E+35
n5
1.4734452710162E+44
2 √n
26111.594991498
3 √n
880.14778552759
4 √n
161.59082582714
5 √n
58.443115636362
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
-681815392
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 681815393 can be divided by 8 positive divisors.
The sum of these divisors (counting 681815393) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000111010110101100001
3
Ternary
1202111221210212222
4
Quaternary
220220322311201
5
Quinary
2344021043033
6
Senary
151353400425
8
Octal
5050726541
10
Decimal
681815393
12
Duodecimal
170409115
16
Hexadecimal
28a3ad61
20
Vigesimal
ad16i9d
36
Base36
b9xo4h
md5
6b6d42f4fa73566a5bf614ad00d83bc2
sha1
aef21af787be7c18e18b3bd781336308b442cc47
sha256
0a7b357e8137b985baa8587ab01668cd5c0bacc787f9a6f1f6ec7b1ce3af69ec
sha512
abe9ec58ef085027321248302e98d699dcb774a1a397e20cb965717fe8b97cb126082cb570da2d9f21e8a2a8af30b84d5e9f86a7187ff9f6b5a5004ca5cd1990
ripemd-160
9dd6f69674990d8382717cc7e1faef01cb2b6213
Diameter
1363630786
Circumference
4283972459.5065
Area
1.4604391830398E+18
Volume
1.3276665540492E+27
Surface area
5.8417567321592E+18
Circumference
4283972459.5065
Perimeter
2727261572
Area
464872230131744449
Diagonal
964232575.81534
Surface area
2789233380790466694
Volume
3.1695704228206E+26
Space diagonal
1180938902.0585
Perimeter
2045446179
Area
2.0129558040401E+17
Altitude
590469451.02927
Surface area
2.0129558040401E+17
Volume
3.735374565708E+25
Height
321410858.60511