681569091 is an odd 9-digits composite number following 681569090
and preceding 681569092 . In scientific notation, it is written as 6.81569091 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 383652720 positive integers (up to 681569091) that are relatively prime to 681569091.
681569091 has 8 divisors, whose sum is 702726144
The reverse of 681569091 is 190965186
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred eighty-one million five hundred sixty-nine thousand ninety-one
Scientific notation
6.81569091 × 10^8
Engineering notation
6.81569091 × 10^6
Prime Factorization
63 × 67 × 161471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681569091
Product of the distinct prime numbers
The prime factorization of 681569091 is 63 × 67 × 161471.
Since it has a total of 3 prime factors.
5 , 8 , 100 , 59 , 76 , 353 , 9774 , 2535 , 67929 , 42312 , 219307 , 763315 , 4005284 , 2235557 , 21757956 , 43691744 , 511201198 , 597396006 , 9322178377 , 6376199283
n×2
1363138182
n×3
2044707273
n×4
2726276364
n×5
3407845455
n÷2
340784545.5
n÷3
227189697
n÷3
170392272.75
n÷5
136313818.2
n2
464536425806566281
n3
3.1661366947337E+26
n4
2.1579409090114E+35
n5
1.4707858237866E+44
2 √n
26106.878231608
3 √n
880.04178994035
4 √n
161.57623040413
5 √n
58.438892576319
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
-681569090
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 681569091 can be divided by 8 positive divisors.
The sum of these divisors (counting 681569091) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000100111111110101101000011
3
Ternary
1202111111022000200
4
Quaternary
220213332231003
5
Quinary
2343440202331
6
Senary
151344220243
8
Octal
5047765503
10
Decimal
681569091
12
Duodecimal
17030a683
16
Hexadecimal
289feb43
20
Vigesimal
acjg2eb
36
Base36
b9se2r
md5
21b3901ed921091816a88ddc7ee4814e
sha1
b82c845fe0d0eeeeae36a1330ffa95836424e4fd
sha256
87125242a87652be1678b9820af178a4e794abbd39eb61657f078f08866635e7
sha512
eeb12e994d35035c6cec53e09c3b3aaa03b58843e629840ceb847c643654f09efa2800aea7759a1bdc9181e5fd6e63e00f297811d333035356ddab8663a06531
ripemd-160
9e92b0da7e143d73bba5d7b98e1514f41c494f52
Diameter
1363138182
Circumference
4282424898.3989
Area
1.4593842226388E+18
Volume
1.3262282373915E+27
Surface area
5.8375368905551E+18
Circumference
4282424898.3989
Perimeter
2726276364
Area
464536425806566281
Diagonal
963884252.1865
Surface area
2787218554839397686
Volume
3.1661366947337E+26
Space diagonal
1180512294.4805
Perimeter
2044707273
Area
2.0115017286586E+17
Altitude
590256147.24027
Surface area
2.0115017286586E+17
Volume
3.7313278783496E+25
Height
321294750.72883