7971982021 is an odd 10-digits composite number following 7971982020
and preceding 7971982022 . In scientific notation, it is written as 7.971982021 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 7942656960 positive integers (up to 7971982021) that are relatively prime to 7971982021.
7971982021 has 8 divisors, whose sum is 8001341504
The reverse of 7971982021 is 1202891797
Previous prime number is 1543
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
seven billion nine hundred seventy-one million nine hundred eighty-two thousand twenty-one
Scientific notation
7.971982021 × 10^9
Engineering notation
7.971982021 × 10^9
Prime Factorization
337 × 1543 × 15331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7971982021
Product of the distinct prime numbers
The prime factorization of 7971982021 is 337 × 1543 × 15331.
Since it has a total of 3 prime factors.
5 , 5 , 100 , 7 , 457 , 94 , 2389 , 4681 , 66630 , 61855 , 835764 , 737798 , 3139518 , 1455709 , 71776669 , 38710509 , 687656611 , 580489856 , 1879308244 , 1691501512
n×2
15943964042
n×3
23915946063
n×4
31887928084
n×5
39859910105
n÷2
3985991010.5
n÷3
2657327340.3333
n÷3
1992995505.25
n÷5
1594396404.2
n2
6.3552497343147E+19
n3
5.0663936620922E+29
n4
4.0389199185507E+39
n5
3.2198196974945E+49
2 √n
89285.956460129
3 √n
1997.6624373816
4 √n
298.80755756863
5 √n
95.56816827774
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
-7971982020
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 7971982021 can be divided by 8 positive divisors.
The sum of these divisors (counting 7971982021) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011011001010101100101011000101
3
Ternary
202120120200122110101
4
Quaternary
13123022230223011
5
Quinary
112311311411041
6
Senary
3355015124101
8
Octal
73312545305
10
Decimal
7971982021
12
Duodecimal
1665973631
16
Hexadecimal
1db2acac5
20
Vigesimal
64b4hf11
36
Base36
3nub8p1
md5
e3c12d2d47acce41f0a156c63a2e9f3a
sha1
0f1bec1339963581568d5131cbad477a034d86ee
sha256
dc897e4e60415203acc71423f665648cb656d586d986d3d549f5e4ef03446fba
sha512
e9ca8d881ddffc4621141939ef2b0f78d8d7f8052e393582fd3817eefe5e13c08b668613f2c7debaa0631c964c30d20917e2b87f1b64d91f468ddda097abc24b
ripemd-160
0bfe6a5e9b5e629372f2f16333bba7f4de03f9c8
Diameter
15943964042
Circumference
50089440303.447
Area
1.9965605877052E+20
Volume
2.1222060145364E+30
Surface area
7.9862423508206E+20
Circumference
50089440303.447
Perimeter
31887928084
Area
6.3552497343147E+19
Diagonal
11274085093.093
Surface area
3.8131498405888E+20
Volume
5.0663936620922E+29
Space diagonal
13807877897.398
Perimeter
23915946063
Area
2.7519038586554E+19
Altitude
6903938948.6988
Surface area
2.7519038586554E+19
Volume
5.9708021910432E+28
Height
3758028364.3642