7989721894 is an even 10-digits composite number following 7989721893
and preceding 7989721895 . In scientific notation, it is written as 7.989721894 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 3101784000 positive integers (up to 7989721894) that are relatively prime to 7989721894.
7989721894 has 16 divisors, whose sum is 12183496416
The reverse of 7989721894 is 4981279897
Previous prime number is 281
Is Prime? no
Number parity even
Number length 10
Sum of Digits 64
Digital Root 1
Name
seven billion nine hundred eighty-nine million seven hundred twenty-one thousand eight hundred ninety-four
Scientific notation
7.989721894 × 10^9
Engineering notation
7.989721894 × 10^9
Prime Factorization
2 × 77 × 281 × 184631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7989721894
Product of the distinct prime numbers
The prime factorization of 7989721894 is 2 × 77 × 281 × 184631.
Since it has a total of 4 prime factors.
9 , 8 , 29 , 81 , 554 , 165 , 5217 , 4017 , 39708 , 94297 , 259281 , 130539 , 5397386 , 2331485 , 65749415 , 76989149 , 103587469 , 365313940 , 9993521965 , 2002339604
n×2
15979443788
n×3
23969165682
n×4
31958887576
n×5
39948609470
n÷2
3994860947
n÷3
2663240631.3333
n÷3
1997430473.5
n÷5
1597944378.8
n2
6.3835655943463E+19
n3
5.1002913790934E+29
n4
4.0749909697322E+39
n5
3.2558044568721E+49
2 √n
89385.244274433
3 √n
1999.1431241009
4 √n
298.97365147189
5 √n
95.610663609774
1 , 2 , 77 , 154 , 281 , 562 , 21637 , 43274 , 184631 , 369262 , 14216587 , 28433174 , 51881311 , 103762622 , 3994860947 , 7989721894
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
-7989721893
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 7989721894 can be divided by 16 positive divisors.
The sum of these divisors (counting 7989721894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011100001110010111101100100110
3
Ternary
202121211001220222201
4
Quaternary
13130032113230212
5
Quinary
112330332100034
6
Senary
3400451245114
8
Octal
73416275446
10
Decimal
7989721894
12
Duodecimal
166b8a979a
16
Hexadecimal
1dc397b26
20
Vigesimal
64gff4ee
36
Base36
3o4vgva
md5
423a86f612033d07db7f0eb3ce17de2d
sha1
77854b3b2cc2c4329f3faa342b03e2b4ae353580
sha256
617fd2b6053542d415311a76af56b9d1f45495e5619d6a26e5a02eb2ddf86690
sha512
b2a76d697c0005b86db6a7b92ca0aa62e70d4f205232323012953a214375885fd2a453eb2c3e135b34faebfb689d7672995d46154ed514c6ec7528a0aee183f0
ripemd-160
2eeca28bd1727750a2faaa55b781f59d13e7dfa2
Diameter
15979443788
Circumference
50200903212.832
Area
2.0054562774907E+20
Volume
2.1364050570303E+30
Surface area
8.0218251099628E+20
Circumference
50200903212.832
Perimeter
31958887576
Area
6.3835655943463E+19
Diagonal
11299173062.084
Surface area
3.8301393566078E+20
Volume
5.1002913790934E+29
Space diagonal
13838604258.753
Perimeter
23969165682
Area
2.7641649857141E+19
Altitude
6919302129.3767
Surface area
2.7641649857141E+19
Volume
6.0107510336404E+28
Height
3766391020.6947