815945125 is an odd 9-digits composite number following 815945124
and preceding 815945126 . In scientific notation, it is written as 8.15945125 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 624373200 positive integers (up to 815945125) that are relatively prime to 815945125.
815945125 has 16 divisors, whose sum is 1062577152
The reverse of 815945125 is 521549518
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
eight hundred fifteen million nine hundred forty-five thousand one hundred twenty-five
Scientific notation
8.15945125 × 10^8
Engineering notation
8.15945125 × 10^6
Prime Factorization
23 × 25 × 5 × 283807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
815945125
Product of the distinct prime numbers
The prime factorization of 815945125 is 23 × 25 × 5 × 283807.
Since it has a total of 4 prime factors.
1 , 8 , 27 , 31 , 591 , 777 , 6092 , 6086 , 13458 , 20096 , 703730 , 807056 , 2933849 , 143988 , 59918750 , 66461520 , 956747569 , 482670224 , 6764536038 , 196393327
n×2
1631890250
n×3
2447835375
n×4
3263780500
n×5
4079725625
n÷2
407972562.5
n÷3
271981708.33333
n÷3
203986281.25
n÷5
163189025
n2
665766447011265625
n3
5.4322888682741E+26
n4
4.43244961966E+35
n5
3.6166356589697E+44
2 √n
28564.753193403
3 √n
934.44479797607
4 √n
169.01110375772
5 √n
60.580407509668
1 , 5 , 23 , 25 , 115 , 125 , 575 , 2875 , 283807 , 1419035 , 6527561 , 7095175 , 32637805 , 35475875 , 163189025 , 815945125
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
-815945124
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 815945125 can be divided by 16 positive divisors.
The sum of these divisors (counting 815945125) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000101000100101010110100101
3
Ternary
2002212100022021211
4
Quaternary
300220211112211
5
Quinary
3132340221000
6
Senary
212544311421
8
Octal
6050452645
10
Decimal
815945125
12
Duodecimal
1a9312571
16
Hexadecimal
30a255a5
20
Vigesimal
cejd2g5
36
Base36
dhsjad
md5
1930f4307ca9f4847462bc3236e4a4cf
sha1
0b83d2f82af3cdb6575a497e85926b2ff228cb3d
sha256
d638b6e475d2055ddc11429eb95d4443421fae52dab3c507af19d8599c7d7f0f
sha512
9a34a66b114d050077b4779ac9df32637ad01d7e39eae6124ba6473228985a9e6ec474ce6f92d9df6b1c91570ab69a8b227c44dbc8832c9b341f1dac4ea877fe
ripemd-160
b024f028b0c09c1bea9aebe66307b71fe091116a
Diameter
1631890250
Circumference
5126734420.8648
Area
2.0915669789372E+18
Volume
2.2754718400997E+27
Surface area
8.3662679157487E+18
Circumference
5126734420.8648
Perimeter
3263780500
Area
665766447011265625
Diagonal
1153920661.9272
Surface area
3994598682067593750
Volume
5.4322888682741E+26
Space diagonal
1413258412.6881
Perimeter
2447835375
Area
2.8828532804953E+17
Altitude
706629206.34407
Surface area
2.8828532804953E+17
Volume
6.4020138268681E+25
Height
384640220.6424