8045721891 is an odd 10-digits composite number following 8045721890
and preceding 8045721892 . In scientific notation, it is written as 8.045721891 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 5186794176 positive integers (up to 8045721891) that are relatively prime to 8045721891.
8045721891 has 16 divisors, whose sum is 9237693600
The reverse of 8045721891 is 1981275408
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
eight billion forty-five million seven hundred twenty-one thousand eight hundred ninety-one
Scientific notation
8.045721891 × 10^9
Engineering notation
8.045721891 × 10^9
Prime Factorization
9 × 37 × 163 × 148229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8045721891
Product of the distinct prime numbers
The prime factorization of 8045721891 is 9 × 37 × 163 × 148229.
Since it has a total of 4 prime factors.
7 , 3 , 70 , 53 , 325 , 110 , 8817 , 420 , 7827 , 6067 , 882460 , 14528 , 905218 , 6479836 , 58354835 , 32120569 , 733730146 , 931937818 , 1202604871 , 4018527866
n×2
16091443782
n×3
24137165673
n×4
32182887564
n×5
40228609455
n÷2
4022860945.5
n÷3
2681907297
n÷3
2011430472.75
n÷5
1609144378.2
n2
6.4733640747317E+19
n3
5.2082887044481E+29
n4
4.1904442444027E+39
n5
3.3715148990205E+49
2 √n
89697.948086899
3 √n
2003.8029218926
4 √n
299.49615704863
5 √n
95.744316538611
1 , 9 , 37 , 163 , 333 , 1467 , 6031 , 54279 , 148229 , 1334061 , 5484473 , 24161327 , 49360257 , 217451943 , 893969099 , 8045721891
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
-8045721890
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 8045721891 can be divided by 16 positive divisors.
The sum of these divisors (counting 8045721891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011111100011111111100100100011
3
Ternary
202202201110000112200
4
Quaternary
13133203333210203
5
Quinary
112434201100031
6
Senary
3410211424243
8
Octal
73743774443
10
Decimal
8045721891
12
Duodecimal
16865b5083
16
Hexadecimal
1df8ff923
20
Vigesimal
65e5f4eb
36
Base36
3p27qqr
md5
3154ba0d8d22a9f2e4e1ba0dcb0715cd
sha1
3820226894d3fdc1833c3bd17f8cf0dad6197fbf
sha256
e6decfed117b9677f1c72f4ed062e2ec84804b925b5e24a1194136bc519ea1b6
sha512
9624dbfcfd80f831c37449a28ad4312a7736967171386e1d457e02515847fcd13962a96e8593c921321251966d034e6dddfe686a9a2f9079d349e0a2d225be4e
ripemd-160
7f25905b4e4538f544b6296156acdc1d99b04a9f
Diameter
16091443782
Circumference
50552761571.184
Area
2.0336673021189E+20
Volume
2.1816428708892E+30
Surface area
8.1346692084756E+20
Circumference
50552761571.184
Perimeter
32182887564
Area
6.4733640747317E+19
Diagonal
11378369017.334
Surface area
3.884018444839E+20
Volume
5.2082887044481E+29
Space diagonal
13935599098.781
Perimeter
24137165673
Area
2.8030488683316E+19
Altitude
6967799549.3906
Surface area
2.8030488683316E+19
Volume
6.1380271021543E+28
Height
3792789672.4448