3990806721 is an odd 10-digits composite number following 3990806720
and preceding 3990806722 . In scientific notation, it is written as 3.990806721 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 2253744000 positive integers (up to 3990806721) that are relatively prime to 3990806721.
3990806721 has 16 divisors, whose sum is 4450982976
The reverse of 3990806721 is 1276080993
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
three billion nine hundred ninety million eight hundred six thousand seven hundred twenty-one
Scientific notation
3.990806721 × 10^9
Engineering notation
3.990806721 × 10^9
Prime Factorization
171 × 11 × 61 × 34781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3990806721
Product of the distinct prime numbers
The prime factorization of 3990806721 is 171 × 11 × 61 × 34781.
Since it has a total of 4 prime factors.
7 , 10 , 66 , 26 , 569 , 33 , 8526 , 9569 , 2007 , 40737 , 957541 , 55087 , 4078730 , 2004283 , 53902442 , 73545439 , 345830251 , 249068986 , 5510201875 , 6400851821
n×2
7981613442
n×3
11972420163
n×4
15963226884
n×5
19954033605
n÷2
1995403360.5
n÷3
1330268907
n÷3
997701680.25
n÷5
798161344.2
n2
1.5926538284379E+19
n3
6.3559736027563E+28
n4
2.5365462172378E+38
n5
1.012286569188E+48
2 √n
63172.832143256
3 √n
1586.1840007042
4 √n
251.34206202555
5 √n
83.217016039812
1 , 11 , 61 , 171 , 671 , 1881 , 10431 , 34781 , 114741 , 382591 , 2121641 , 5947551 , 23338051 , 65423061 , 362800611 , 3990806721
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
-3990806720
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 3990806721 can be divided by 16 positive divisors.
The sum of these divisors (counting 3990806721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101101110111101110000011000001
3
Ternary
101022010101222122100
4
Quaternary
3231313232003001
5
Quinary
31133121303341
6
Senary
1500000501013
8
Octal
35567560301
10
Decimal
3990806721
12
Duodecimal
93461a769
16
Hexadecimal
eddee0c1
20
Vigesimal
3272agg1
36
Base36
1u00u69
md5
8d7ab009a4c175a027bbcd84d8e98b4e
sha1
b962787be7e4c43c7155ee7777768e493024eaad
sha256
d7ee9596db08bc4c333615d201d0ed3300b990bf57db702624b0ffe0f880e1e3
sha512
a424d7f8312602b32b3f3c76f73592086aaef346fd852e4130f98ee37bca627a477f4f4e495f8de0f9eaae78f4e764e24636d7818ba26ebf4d809b25829fbb19
ripemd-160
4418b35e1482c5dd774b0d41882a099a3b9427a3
Diameter
7981613442
Circumference
25074978153.181
Area
5.0034695671321E+19
Volume
2.6623839969106E+29
Surface area
2.0013878268528E+20
Circumference
25074978153.181
Perimeter
15963226884
Area
1.5926538284379E+19
Diagonal
5643852989.6479
Surface area
9.5559229706273E+19
Volume
6.3559736027563E+28
Space diagonal
6912280003.9594
Perimeter
11972420163
Area
6.8963933743087E+18
Altitude
3456140001.9797
Surface area
6.8963933743087E+18
Volume
7.4905867259194E+27
Height
1881284329.8826