766561381 is an odd 9-digits prime number following 766561380
and preceding 766561382 . In scientific notation, it is written as 7.66561381 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 766561380 positive integers (up to 766561381) that are relatively prime to 766561381.
766561381 has 2 divisors, whose sum is 766561382
The reverse of 766561381 is 183165667
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
seven hundred sixty-six million five hundred sixty-one thousand three hundred eighty-one
Scientific notation
7.66561381 × 10^8
Engineering notation
7.66561381 × 10^6
Prime Factorization
766561381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
766561381
Product of the distinct prime numbers
The prime factorization of 766561381 is 766561381.
Since it has a total of 1 prime factors.
9 , 9 , 53 , 35 , 779 , 880 , 4715 , 4135 , 76822 , 39169 , 222971 , 362702 , 2393014 , 6244160 , 32095212 , 19581323 , 57608042 , 316140152 , 3508644323 , 7559970321
n×2
1533122762
n×3
2299684143
n×4
3066245524
n×5
3832806905
n÷2
383280690.5
n÷3
255520460.33333
n÷3
191640345.25
n÷5
153312276.2
n2
587616350840627161
n3
4.5044400139857E+26
n4
3.4529297577526E+35
n5
2.6468826035988E+44
2 √n
27686.844908729
3 √n
915.19922841835
4 √n
166.3936444361
5 √n
59.828675326326
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
766561382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
383280691
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
27686.844926788
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999973909
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 766561381 can be divided by 2 positive divisors.
The sum of these divisors (counting 766561381) is 766561382, the average is 383280691.
Base
System
Value
2
Binary
101101101100001100110001100101
3
Ternary
1222102102100112021
4
Quaternary
231230030301211
5
Quinary
3032214431011
6
Senary
204022023141
8
Octal
5554146145
10
Decimal
766561381
12
Duodecimal
194877ab1
16
Hexadecimal
2db0cc65
20
Vigesimal
bjb0391
36
Base36
coe2jp
md5
1bdc52d147f6a02f81236e55ffae0816
sha1
eb5dc83490549526c095bbbcb4837df55296d1b3
sha256
73a9c012503e0229d7065fb33171bb8d456794d9732962908e5c5918ff810d47
sha512
d6de3287a973d8cc282c2cbd08f8d37aa21a030f4c0b9a6b51ee340888d96d9d1ec45719154b0e2ff8f206b8d1d1244f9cd26aea16648f88f44add7edaa2b646
ripemd-160
8de5f2de9da1cc4f340aa8566f68abdc5252dfd5
Diameter
1533122762
Circumference
4816447206.1505
Area
1.8460512109302E+18
Volume
1.8868154208631E+27
Surface area
7.3842048437206E+18
Circumference
4816447206.1505
Perimeter
3066245524
Area
587616350840627161
Diagonal
1084081501.4016
Surface area
3525698105043762966
Volume
4.5044400139857E+26
Space diagonal
1327723259.0122
Perimeter
2299684143
Area
2.5444534375355E+17
Altitude
663861629.50608
Surface area
2.5444534375355E+17
Volume
5.3085334655622E+25
Height
361360500.46722