7987408021 is an odd 10-digits prime number following 7987408020
and preceding 7987408022 . In scientific notation, it is written as 7.987408021 × 10^9.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 7987408020 positive integers (up to 7987408021) that are relatively prime to 7987408021.
7987408021 has 2 divisors, whose sum is 7987408022
The reverse of 7987408021 is 1208047897
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 46 Digital Root 1
Name
seven billion nine hundred eighty-seven million four hundred eight thousand twenty-one
Scientific notation
7.987408021 × 10^9
Engineering notation
7.987408021 × 10^9
Prime Factorization
7987408021
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
7987408021 Product of the distinct prime numbers
The prime factorization of 7987408021 is 7987408021.
Since it has a total of 1 prime factors.
3 , 5 , 92 , 33 , 430 , 322 , 9547 , 140 , 22879 , 66236 , 322097 , 604969 , 3042443 , 7596112 , 83220289 , 72571533 , 546706122 , 45032502 , 4202188815 , 941583770
n×2
15974816042
n×3
23962224063
n×4
31949632084
n×5
39937040105
n÷2
3993704010.5
n÷3
2662469340.3333
n÷3
1996852005.25
n÷5
1597481604.2
n2
6.3798686893935E+19
n3
5.0958614342589E+29
n4
4.0702724493904E+39
n5
3.2510926809916E+49
2 √n89372.300076702
3 √n1998.9501173864
4 √n298.95200296486
5 √n95.605125079939
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
7987408022 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
3993704011 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
89372.300082296 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999997496 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7987408021 can be divided by 2 positive divisors.
The sum of these divisors (counting 7987408021) is 7987408022, the average is 3993704011.
Base
System
Value
2
Binary
111011100000101100010110010010101
3
Ternary
202121122201100221201
4
Quaternary
13130011202302111
5
Quinary
112324234024041
6
Senary
3400325512501
8
Octal
73405426225
10
Decimal
7987408021
12
Duodecimal
166ab72731
16
Hexadecimal
1dc162c95
20
Vigesimal
64g16011
36
Base36
3o3hvh1
md5
3d182f2ae24083d61c200402fc2df9bc
sha1
2418bf9cf297ee9ce21223d3bdcefeeb2d4e5e62
sha256
7829a194be901b1dd7d35e43dfc2de53cd80aa0b1cff8584fe070536471efe34
sha512
24c967952502a7fb9d7047f98636482c57a7ce029f894c772cb5b10ebc3fec848d94a95d20f5e647c94d7371a4eadaeb7b61bfdcd9e1bb5a88487ce595a42c85
ripemd-160
13a07c7a83eb698bb6ff27b73030fe44b95b6f96
Diameter
15974816042
Circumference
50186364719.996
Area
2.0042948605466E+20
Volume
2.1345494460772E+30
Surface area
8.0171794421865E+20
Circumference
50186364719.996
Perimeter
31949632084
Area
6.3798686893935E+19
Diagonal
11295900751.506
Surface area
3.8279212136361E+20
Volume
5.0958614342589E+29
Space diagonal
13834596513.155
Perimeter
23962224063
Area
2.7625641789119E+19
Altitude
6917298256.5776
Surface area
2.7625641789119E+19
Volume
6.0055302935857E+28
Height
3765300250.5019