7924427981 is an odd 10-digits composite number following 7924427980
and preceding 7924427982 . In scientific notation, it is written as 7.924427981 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 7546782672 positive integers (up to 7924427981) that are relatively prime to 7924427981.
7924427981 has 8 divisors, whose sum is 8305082880
The reverse of 7924427981 is 1897244297
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
seven billion nine hundred twenty-four million four hundred twenty-seven thousand nine hundred eighty-one
Scientific notation
7.924427981 × 10^9
Engineering notation
7.924427981 × 10^9
Prime Factorization
23 × 229 × 1504543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7924427981
Product of the distinct prime numbers
The prime factorization of 7924427981 is 23 × 229 × 1504543.
Since it has a total of 3 prime factors.
10 , 6 , 55 , 81 , 424 , 43 , 5766 , 8597 , 28118 , 14136 , 248780 , 957195 , 3786213 , 3454247 , 70387230 , 31511886 , 249065549 , 711467020 , 9150186284 , 1898074201
n×2
15848855962
n×3
23773283943
n×4
31697711924
n×5
39622139905
n÷2
3962213990.5
n÷3
2641475993.6667
n÷3
1981106995.25
n÷5
1584885596.2
n2
6.2796558826056E+19
n3
4.9762680787171E+29
n4
3.9434078003943E+39
n5
3.1249251113938E+49
2 √n
89019.256237064
3 √n
1993.6823967067
4 √n
298.36094958467
5 √n
95.453879628674
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
-7924427980
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 7924427981 can be divided by 8 positive divisors.
The sum of these divisors (counting 7924427981) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000010101010010110011001101
3
Ternary
202110021012122120122
4
Quaternary
13120111102303031
5
Quinary
112212123143411
6
Senary
3350155554325
8
Octal
73025226315
10
Decimal
7924427981
12
Duodecimal
1651a5b9a5
16
Hexadecimal
1d8552ccd
20
Vigesimal
63g7d9j1
36
Base36
3n1zzrh
md5
93120dd73e21fc37c53b3f39f2a4d637
sha1
031ddfc50d87033a0e8cd9a8e149a6d3dd03d917
sha256
8278c2b97389d028ea981121a13e963857e78a58816eeb1203002e5f8b4c10c2
sha512
4470175396d87d5ee8286cf51099a83f10ad9e9a9c8bd37926628b8846d06c778b07ad8043f1aeb5d70a67321e0005345960aac75cb0d73a161f573a7f749bfb
ripemd-160
0b7bbeabfd91f695ccc995750821c251d5bceb33
Diameter
15848855962
Circumference
49790649458.022
Area
1.9728120787866E+20
Volume
2.0844542984521E+30
Surface area
7.8912483151462E+20
Circumference
49790649458.022
Perimeter
31697711924
Area
6.2796558826056E+19
Diagonal
11206833524.779
Surface area
3.7677935295633E+20
Volume
4.9762680787171E+29
Space diagonal
13725511884.012
Perimeter
23773283943
Area
2.7191707606804E+19
Altitude
6862755942.0062
Surface area
2.7191707606804E+19
Volume
5.8645881724383E+28
Height
3735611174.9263