7921131213 is an odd 10-digits composite number following 7921131212
and preceding 7921131214 . In scientific notation, it is written as 7.921131213 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 5198854320 positive integers (up to 7921131213) that are relatively prime to 7921131213.
7921131213 has 8 divisors, whose sum is 7965257536
The reverse of 7921131213 is 3121311297
Previous prime number is 1831
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
seven billion nine hundred twenty-one million one hundred thirty-one thousand two hundred thirteen
Scientific notation
7.921131213 × 10^9
Engineering notation
7.921131213 × 10^9
Prime Factorization
201 × 1831 × 21523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7921131213
Product of the distinct prime numbers
The prime factorization of 7921131213 is 201 × 1831 × 21523.
Since it has a total of 3 prime factors.
4 , 1 , 8 , 56 , 31 , 597 , 9282 , 9560 , 78676 , 61196 , 82445 , 304993 , 1262292 , 3079641 , 27651068 , 35326017 , 22267116 , 824104396 , 586942945 , 8375416497
n×2
15842262426
n×3
23763393639
n×4
31684524852
n×5
39605656065
n÷2
3960565606.5
n÷3
2640377071
n÷3
1980282803.25
n÷5
1584226242.6
n2
6.2744319693563E+19
n3
4.9700598916313E+29
n4
3.936849653808E+39
n5
3.1184302673667E+49
2 √n
89000.737148633
3 √n
1993.405883793
4 √n
298.32991326488
5 √n
95.445936047706
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
-7921131212
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 7921131213 can be divided by 8 positive divisors.
The sum of these divisors (counting 7921131213) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000001000101101111011001101
3
Ternary
202110001000011021010
4
Quaternary
13120020231323031
5
Quinary
112210302144323
6
Senary
3350001155433
8
Octal
73010557315
10
Decimal
7921131213
12
Duodecimal
165092bb79
16
Hexadecimal
1d822decd
20
Vigesimal
63f7180d
36
Base36
3n01byl
md5
345c6b5262b6abf4429e626fcaa1fb88
sha1
cf2d01829a34c9bb97dd67ce56dc94ae46fa843d
sha256
901d2be572648f3a2da98b3351b05cbcb24f96f5a620ab78841eadedda153551
sha512
3c655d1ddafb78d4544e7e61ebd38036254f682c71d8b55caadbf9690e09518fb324002b35e53ceac7bab52811fff3b6fbbf1627290c2a7718fcac0d3fd89164
ripemd-160
b34cea8525e51cb1f88d863b46d96c74a7aec659
Diameter
15842262426
Circumference
49769935253.763
Area
1.9711709380379E+20
Volume
2.0818538191267E+30
Surface area
7.8846837521515E+20
Circumference
49769935253.763
Perimeter
31684524852
Area
6.2744319693563E+19
Diagonal
11202171190.761
Surface area
3.7646591816138E+20
Volume
4.9700598916313E+29
Space diagonal
13719801714.336
Perimeter
23763393639
Area
2.7169087398899E+19
Altitude
6859900857.1678
Surface area
2.7169087398899E+19
Volume
5.857271753793E+28
Height
3734057063.5871