7990490645 is an odd 10-digits composite number following 7990490644
and preceding 7990490646 . In scientific notation, it is written as 7.990490645 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 6353174736 positive integers (up to 7990490645) that are relatively prime to 7990490645.
7990490645 has 8 divisors, whose sum is 9647415456
The reverse of 7990490645 is 5460940997
Previous prime number is 163
Is Prime? no Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
seven billion nine hundred ninety million four hundred ninety thousand six hundred forty-five
Scientific notation
7.990490645 × 10^9
Engineering notation
7.990490645 × 10^9
Prime Factorization
5 × 163 × 9804283
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7990490645 Product of the distinct prime numbers
The prime factorization of 7990490645 is 5 × 163 × 9804283.
Since it has a total of 3 prime factors.
9 , 5 , 75 , 37 , 897 , 503 , 1623 , 2763 , 23940 , 36878 , 873756 , 336414 , 3909473 , 8960472 , 5249338 , 92574435 , 480305102 , 181469485 , 6605434361 , 7989043079
n×2
15980981290
n×3
23971471935
n×4
31961962580
n×5
39952453225
n÷2
3995245322.5
n÷3
2663496881.6667
n÷3
1997622661.25
n÷5
1598098129
n2
6.3847940747833E+19
n3
5.1017637324807E+29
n4
4.0765595377387E+39
n5
3.2573710850087E+49
2 √n89389.544382998
3 √n1999.207239557
4 √n298.98084283612
5 √n95.612503422613
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7990490644 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7990490645 can be divided by 8 positive divisors.
The sum of these divisors (counting 7990490645) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100010001010011011000010101
3
Ternary
202121212111222111222
4
Quaternary
13130101103120111
5
Quinary
112331031200040
6
Senary
3400515540125
8
Octal
73421233025
10
Decimal
7990490645
12
Duodecimal
166bbba645
16
Hexadecimal
1dc453615
20
Vigesimal
64h0b6c5
36
Base36
3o5by1h
md5
fa082c16bbf24801881b797d6f9b8b48
sha1
0d8ef0ca89971925c1f9e397506ff05a6c51ccfb
sha256
3b02148ebefbffebb2bdd43b15f765767fa667390c60ecf93135e0f75dbde9c4
sha512
e6bea39326d531c1e84b440ba00acde439afeed90511f53bc734c9aaffbda4bc80da7fd7d60d72e91c29f5d898ec5833f0383d4eb2a351a27b0f4acbc2d934b3
ripemd-160
7aad0c39ee35570928794a519865ab53b16acc57
Diameter
15980981290
Circumference
50205733417.82
Area
2.0058422160023E+20
Volume
2.137021794975E+30
Surface area
8.0233688640091E+20
Circumference
50205733417.82
Perimeter
31961962580
Area
6.3847940747833E+19
Diagonal
11300260240.174
Surface area
3.83087644487E+20
Volume
5.1017637324807E+29
Space diagonal
13839935774.544
Perimeter
23971471935
Area
2.7646969333473E+19
Altitude
6919967887.2719
Surface area
2.7646969333473E+19
Volume
6.0124862187478E+28
Height
3766753413.3914