7921297212 is an even 10-digits composite number following 7921297211
and preceding 7921297213 . In scientific notation, it is written as 7.921297212 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 2640432400 positive integers (up to 7921297212) that are relatively prime to 7921297212.
7921297212 has 12 divisors, whose sum is 18483026856
The reverse of 7921297212 is 2127921297
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
seven billion nine hundred twenty-one million two hundred ninety-seven thousand two hundred twelve
Scientific notation
7.921297212 × 10^9
Engineering notation
7.921297212 × 10^9
Prime Factorization
2 × 2 × 3 × 660108101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3960648606
Product of the distinct prime numbers
The prime factorization of 7921297212 is 2 × 2 × 3 × 660108101.
Since it has a total of 4 prime factors.
2 , 6 , 84 , 15 , 625 , 985 , 3483 , 9322 , 71220 , 62830 , 355329 , 996362 , 8158892 , 9408106 , 98567064 , 59313813 , 203465057 , 331671176 , 7474159056 , 6980553182
n×2
15842594424
n×3
23763891636
n×4
31685188848
n×5
39606486060
n÷2
3960648606
n÷3
2640432404
n÷3
1980324303
n÷5
1584259442.4
n2
6.2746949520839E+19
n3
4.9703723630093E+29
n4
3.9371796741707E+39
n5
3.1187570376152E+49
2 √n
89001.669714674
3 √n
1993.4198086169
4 √n
298.33147623855
5 √n
95.446336086455
1 , 2 , 3 , 4 , 6 , 12 , 660108101 , 1320216202 , 1980324303 , 2640432404 , 3960648606 , 7921297212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7921297211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7921297212 can be divided by 12 positive divisors.
The sum of these divisors (counting 7921297212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011000001001010110011100111100
3
Ternary
202110001022120222020
4
Quaternary
13120021112130330
5
Quinary
112210323002322
6
Senary
3350004520140
8
Octal
73011263474
10
Decimal
7921297212
12
Duodecimal
16509b0050
16
Hexadecimal
1d825673c
20
Vigesimal
63f8230c
36
Base36
3n04w1o
md5
46cc2b233e55e5e2ec3785681fd76152
sha1
318c30ed562753f32c9607c531b5ecd0f283bb13
sha256
7f233aca2fa3ca93b0636b0abf64f320699f8f959d3ea29b9ef1ac9d9f150c9b
sha512
7e6cd3895a3fe8eb6499cea4f40b3c3988ba04b0c165ea49af2a29a772cd77e321ec8468f2a46ac021dc7b31be789e4e801f689eba7b30b5279796ab377a5a5c
ripemd-160
10be38142d9a120a83485009a841c48426167dc2
Diameter
15842594424
Circumference
49770978256.241
Area
1.9712535564984E+20
Volume
2.0819847068314E+30
Surface area
7.8850142259935E+20
Circumference
49770978256.241
Perimeter
31685188848
Area
6.2746949520839E+19
Diagonal
11202405948.799
Surface area
3.7648169712503E+20
Volume
4.9703723630093E+29
Space diagonal
13720089233.038
Perimeter
23763891636
Area
2.7170226147513E+19
Altitude
6860044616.5188
Surface area
2.7170226147513E+19
Volume
5.8576400048434E+28
Height
3734135316.2662