7921297213 is an odd 10-digits composite number following 7921297212
and preceding 7921297214 . In scientific notation, it is written as 7.921297213 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 7815482640 positive integers (up to 7921297213) that are relatively prime to 7921297213.
7921297213 has 8 divisors, whose sum is 8027801600
The reverse of 7921297213 is 3127921297
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
seven billion nine hundred twenty-one million two hundred ninety-seven thousand two hundred thirteen
Scientific notation
7.921297213 × 10^9
Engineering notation
7.921297213 × 10^9
Prime Factorization
127 × 181 × 344599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7921297213
Product of the distinct prime numbers
The prime factorization of 7921297213 is 127 × 181 × 344599.
Since it has a total of 3 prime factors.
7 , 9 , 84 , 27 , 843 , 617 , 6793 , 9455 , 64481 , 95215 , 30276 , 277206 , 3812100 , 4562372 , 5459722 , 50462536 , 695562841 , 685319273 , 2542112953 , 9994334611
n×2
15842594426
n×3
23763891639
n×4
31685188852
n×5
39606486065
n÷2
3960648606.5
n÷3
2640432404.3333
n÷3
1980324303.25
n÷5
1584259442.6
n2
6.2746949536682E+19
n3
4.9703723648917E+29
n4
3.9371796761589E+39
n5
3.1187570395837E+49
2 √n
89001.669720292
3 √n
1993.4198087008
4 √n
298.33147624797
5 √n
95.446336088865
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
-7921297212
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 7921297213 can be divided by 8 positive divisors.
The sum of these divisors (counting 7921297213) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000001001010110011100111101
3
Ternary
202110001022120222021
4
Quaternary
13120021112130331
5
Quinary
112210323002323
6
Senary
3350004520141
8
Octal
73011263475
10
Decimal
7921297213
12
Duodecimal
16509b0051
16
Hexadecimal
1d825673d
20
Vigesimal
63f8230d
36
Base36
3n04w1p
md5
478ce52d0c24d6d352f8d21ae5714818
sha1
db7ea042482bada8b5f9155960594aef99eb230d
sha256
fd40e602a5b496490b24cea281336cbfbe7139e5c1d7fb3a28c96c03cf5db225
sha512
5b45563471d153ed4da97d1b4a472f8e538c19168762753d8f0491468d5b014bbe49137da63b36fc0232375ec382bae94756b62004c15582a47e12467515ab8f
ripemd-160
06cb450c993fb3435f789e01586651439414285c
Diameter
15842594426
Circumference
49770978262.524
Area
1.9712535569961E+20
Volume
2.0819847076199E+30
Surface area
7.8850142279843E+20
Circumference
49770978262.524
Perimeter
31685188852
Area
6.2746949536682E+19
Diagonal
11202405950.213
Surface area
3.7648169722009E+20
Volume
4.9703723648917E+29
Space diagonal
13720089234.77
Perimeter
23763891639
Area
2.7170226154373E+19
Altitude
6860044617.3849
Surface area
2.7170226154373E+19
Volume
5.8576400070619E+28
Height
3734135316.7376