12945765 is an odd 8-digits composite number following 12945764
and preceding 12945766 . In scientific notation, it is written as 1.2945765 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5868864 positive integers (up to 12945765) that are relatively prime to 12945765.
12945765 has 32 divisors, whose sum is 23869440
The reverse of 12945765 is 56754921
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred forty-five thousand seven hundred sixty-five
Scientific notation
1.2945765 × 10^7
Engineering notation
1.2945765 × 10^6
Prime Factorization
3 × 5 × 7 × 139 × 887
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12945765
Product of the distinct prime numbers
The prime factorization of 12945765 is 3 × 5 × 7 × 139 × 887.
Since it has a total of 5 prime factors.
10 , 6 , 45 , 42 , 123 , 716 , 1446 , 4072 , 45901 , 94467 , 866578 , 406286 , 6288019 , 3990426 , 24031685 , 62377446 , 644736146 , 724464016 , 8612287837 , 3262088777
n×2
25891530
n×3
38837295
n×4
51783060
n×5
64728825
n÷2
6472882.5
n÷3
4315255
n÷3
3236441.25
n÷5
2589153
n2
167592831435225
n3
2.169617411445E+21
n4
2.8087357148476E+28
n5
3.6361232511524E+35
2 √n
3598.0223734713
3 √n
234.80602674655
4 √n
59.983517514992
5 √n
26.449991927865
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 139 , 417 , 695 , 887 , 973 , 2085 , 2661 , 2919 , 4435 , 4865 , 6209 , 13305 , 14595 , 18627 , 31045 , 93135 , 123293 , 369879 , 616465 , 863051 , 1849395 , 2589153 , 4315255 , 12945765
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12945764
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12945765 can be divided by 32 positive divisors.
The sum of these divisors (counting 12945765) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001011000100101100101
3
Ternary
220100201020210
4
Quaternary
301120211211
5
Quinary
11303231030
6
Senary
1141250033
8
Octal
61304545
10
Decimal
12945765
12
Duodecimal
4403919
16
Hexadecimal
c58965
20
Vigesimal
40i485
36
Base36
7ph0l
md5
0cc3a7dd3f421042ef716a7d9a1e2b1f
sha1
d0ea20888630c78ac8c1ce54983b61849ed525c4
sha256
844f17979475a1848b82cdb873b0b764f05ca59bc7fe4e7f81be492f75452fbd
sha512
a67254d87e16b5bf035f74607eca7319558035aed811dde0d1d1230482c12e96ea7e6af0059403e87a16167694d34e34d77c8f60a565e2d5b81eb0fc17c1c60c
ripemd-160
0ba1ced240d78c62b1f708be656fee1b8e1a5704
Diameter
25891530
Circumference
81340640.4382
Area
5.2650840803122E+14
Volume
9.088072161195E+21
Surface area
2.1060336321249E+15
Circumference
81340640.4382
Perimeter
51783060
Area
167592831435225
Diagonal
18308076.438295
Surface area
1005556988611350
Volume
2.169617411445E+21
Space diagonal
22422722.722847
Perimeter
38837295
Area
72569824757534
Altitude
11211361.361423
Surface area
72569824757534
Volume
2.5569186403553E+20
Height
6102692.1460983