1681139745 is an odd 10-digits composite number following 1681139744
and preceding 1681139746 . In scientific notation, it is written as 1.681139745 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 896607792 positive integers (up to 1681139745) that are relatively prime to 1681139745.
1681139745 has 16 divisors, whose sum is 2988693120
The reverse of 1681139745 is 5479311861
Previous prime number is 3
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion six hundred eighty-one million one hundred thirty-nine thousand seven hundred forty-five
Scientific notation
1.681139745 × 10^9
Engineering notation
1.681139745 × 10^9
Prime Factorization
5 × 9 × 3 × 12452887
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1681139745 Product of the distinct prime numbers
The prime factorization of 1681139745 is 5 × 9 × 3 × 12452887.
Since it has a total of 4 prime factors.
3 , 2 , 12 , 15 , 224 , 677 , 403 , 2040 , 33409 , 4102 , 25971 , 826578 , 9080681 , 5113722 , 91847739 , 56431885 , 510626366 , 71201815 , 2120710833 , 1795386208
n×2
3362279490
n×3
5043419235
n×4
6724558980
n×5
8405698725
n÷2
840569872.5
n÷3
560379915
n÷3
420284936.25
n÷5
336227949
n2
2826230842218665025
n3
4.7512889973986E+27
n4
7.987580773508E+36
n5
1.3428239504742E+46
2 √n41001.7041719
3 √n1189.0531613425
4 √n202.488775422
5 √n70.003662632108
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 12452887 , 37358661 , 62264435 , 112075983 , 186793305 , 336227949 , 560379915 , 1681139745
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1681139744 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1681139745 can be divided by 16 positive divisors.
The sum of these divisors (counting 1681139745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100001101000010100000100001
3
Ternary
11100011100202012000
4
Quaternary
1210031002200201
5
Quinary
11420332432440
6
Senary
434452354213
8
Octal
14415024041
10
Decimal
1681139745
12
Duodecimal
3ab015969
16
Hexadecimal
64342821
20
Vigesimal
16572975
36
Base36
rswnq9
md5
702963a999e37c55617c0c3048ef626b
sha1
da6e0b6baa6d000141fe933851cd309d519cb0e9
sha256
46f06ff5550ff5535f9d6c6f20f8d5a52d45ce657399a2478ca643c0236badfb
sha512
2a8c15eb0136a7c262a3f92fa2f4167f3050836d0db239494d256c3de543e2d341b17846c5fbd5967f59af7f7cf8dd91f4c4245bab55d68bf46f5d3a1db2561a
ripemd-160
77b41478fa9eb51e7d16c0a1212dab083f7a4ce8
Diameter
3362279490
Circumference
10562912545.1
Area
8.8788660512631E+18
Volume
1.9902152812413E+28
Surface area
3.5515464205052E+19
Circumference
10562912545.1
Perimeter
6724558980
Area
2826230842218665025
Diagonal
2377490627.6234
Surface area
1.6957385053312E+19
Volume
4.7512889973986E+27
Space diagonal
2911819452.9634
Perimeter
5043419235
Area
1.2237938531602E+18
Altitude
1455909726.4817
Surface area
1.2237938531602E+18
Volume
5.599447782396E+26
Height
792496875.87448