7998890894 is an even 10-digits composite number following 7998890893
and preceding 7998890895 . In scientific notation, it is written as 7.998890894 × 10^9.
The sum of its digits is 71. It has a total of 3 prime factors and 8 positive divisors.
There are 3998808576 positive integers (up to 7998890894) that are relatively prime to 7998890894.
7998890894 has 8 divisors, whose sum is 12000246960
The reverse of 7998890894 is 4980988997
Previous prime number is 6343
Is Prime? no
Number parity even
Number length 10
Sum of Digits 71
Digital Root 8
Name
seven billion nine hundred ninety-eight million eight hundred ninety thousand eight hundred ninety-four
Scientific notation
7.998890894 × 10^9
Engineering notation
7.998890894 × 10^9
Prime Factorization
2 × 6343 × 630529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7998890894
Product of the distinct prime numbers
The prime factorization of 7998890894 is 2 × 6343 × 630529.
Since it has a total of 3 prime factors.
6 , 4 , 25 , 64 , 745 , 771 , 2891 , 4419 , 28092 , 25803 , 492822 , 532848 , 667826 , 9025824 , 78098320 , 57053677 , 797194098 , 424494213 , 8258008369 , 6022438873
n×2
15997781788
n×3
23996672682
n×4
31995563576
n×5
39994454470
n÷2
3999445447
n÷3
2666296964.6667
n÷3
1999722723.5
n÷5
1599778178.8
n2
6.3982255534116E+19
n3
5.1178708116942E+29
n4
4.0937290232329E+39
n5
3.2745291806441E+49
2 √n
89436.518794059
3 √n
1999.9075702284
4 √n
299.05939007839
5 √n
95.632598091199
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
-7998890893
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 7998890894 can be divided by 8 positive divisors.
The sum of these divisors (counting 7998890894) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100110001010110001110001110
3
Ternary
202122110022202111022
4
Quaternary
13130301112032032
5
Quinary
112340204002034
6
Senary
3401415554142
8
Octal
73461261616
10
Decimal
7998890894
12
Duodecimal
167298b952
16
Hexadecimal
1dcc5638e
20
Vigesimal
64jd174e
36
Base36
3oabzpq
md5
0a83d15d1b20ca181824818d50eb43b6
sha1
fbf4ac9a3efcd2db3e920b11b8d3f0032d8684ca
sha256
42806504f1947b22ac337567d92a5005dda9f98ce4bb0af63f76cd9474f7cd87
sha512
d63665955f54f08f6cabe63cf517ecfe895884561ece4e86bf11faf1adb625d1a4c43dfcafe6d64103afe14dea0fd7317a645d6167cb1f1cf0a509d787fb0a7c
ripemd-160
ffc4e408a2ac19ec424cb5e2a9970ebc5a36b234
Diameter
15997781788
Circumference
50258513738.913
Area
2.0100618394608E+20
Volume
2.1437687125387E+30
Surface area
8.0402473578434E+20
Circumference
50258513738.913
Perimeter
31995563576
Area
6.3982255534116E+19
Diagonal
11312139986.237
Surface area
3.838935332047E+20
Volume
5.1178708116942E+29
Space diagonal
13854485432.608
Perimeter
23996672682
Area
2.7705129341986E+19
Altitude
6927242716.304
Surface area
2.7705129341986E+19
Volume
6.0314685936428E+28
Height
3770713328.7458