7989721897 is an odd 10-digits composite number following 7989721896
and preceding 7989721898 . In scientific notation, it is written as 7.989721897 × 10^9.
The sum of its digits is 67. It has a total of 2 prime factors and 4 positive divisors.
There are 7519738240 positive integers (up to 7989721897) that are relatively prime to 7989721897.
7989721897 has 4 divisors, whose sum is 8459705556
The reverse of 7989721897 is 7981279897
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 67
Digital Root 4
Name
seven billion nine hundred eighty-nine million seven hundred twenty-one thousand eight hundred ninety-seven
Scientific notation
7.989721897 × 10^9
Engineering notation
7.989721897 × 10^9
Prime Factorization
17 × 469983641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7989721897
Product of the distinct prime numbers
The prime factorization of 7989721897 is 17 × 469983641.
Since it has a total of 2 prime factors.
7 , 5 , 28 , 36 , 727 , 159 , 6804 , 2086 , 52217 , 51044 , 578924 , 676390 , 2179024 , 1546802 , 16223890 , 15838869 , 895931847 , 535219721 , 6166778298 , 3912796613
n×2
15979443794
n×3
23969165691
n×4
31958887588
n×5
39948609485
n÷2
3994860948.5
n÷3
2663240632.3333
n÷3
1997430474.25
n÷5
1597944379.4
n2
6.3835655991401E+19
n3
5.1002913848386E+29
n4
4.0749909758525E+39
n5
3.2558044629846E+49
2 √n
89385.244291214
3 √n
1999.1431243512
4 √n
298.97365149995
5 √n
95.610663616954
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7989721896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7989721897 can be divided by 4 positive divisors.
The sum of these divisors (counting 7989721897) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011100001110010111101100101001
3
Ternary
202121211001220222211
4
Quaternary
13130032113230221
5
Quinary
112330332100042
6
Senary
3400451245121
8
Octal
73416275451
10
Decimal
7989721897
12
Duodecimal
166b8a97a1
16
Hexadecimal
1dc397b29
20
Vigesimal
64gff4eh
36
Base36
3o4vgvd
md5
a47f39dcb6f5c651e0af717dcc69e662
sha1
68f70992fd3504aceca7d267cf9276cc163ed3bb
sha256
9c2c4e033457800983e3aa9b517fd7cd0ab80179318286c3383039e29850c1d3
sha512
32b738ac98ad7538cfc6a4a868333c4e7d994a940062a3058be60e66a8b2f540a7ffe5d491aab751dd762436ffad469fbe11d9a0c99791ca1312010a2a198b08
ripemd-160
90ea39c671946f9fbd0b65b43a7515099fb0018c
Diameter
15979443794
Circumference
50200903231.681
Area
2.0054562789967E+20
Volume
2.1364050594368E+30
Surface area
8.0218251159869E+20
Circumference
50200903231.681
Perimeter
31958887588
Area
6.3835655991401E+19
Diagonal
11299173066.327
Surface area
3.8301393594841E+20
Volume
5.1002913848386E+29
Space diagonal
13838604263.95
Perimeter
23969165691
Area
2.7641649877899E+19
Altitude
6919302131.9748
Surface area
2.7641649877899E+19
Volume
6.0107510404111E+28
Height
3766391022.1089