7921131212 is an even 10-digits composite number following 7921131211
and preceding 7921131213 . In scientific notation, it is written as 7.921131212 × 10^9.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 3929568768 positive integers (up to 7921131212) that are relatively prime to 7921131212.
7921131212 has 24 divisors, whose sum is 13970577936
The reverse of 7921131212 is 2121311297
Previous prime number is 3313
Is Prime? no Number parity even Number length 10 Sum of Digits 29 Digital Root 2
Name
seven billion nine hundred twenty-one million one hundred thirty-one thousand two hundred twelve
Scientific notation
7.921131212 × 10^9
Engineering notation
7.921131212 × 10^9
Prime Factorization
2 × 2 × 137 × 3313 × 4363
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
3960565606 Product of the distinct prime numbers
The prime factorization of 7921131212 is 2 × 2 × 137 × 3313 × 4363.
Since it has a total of 5 prime factors.
8 , 6 , 23 , 20 , 619 , 765 , 4255 , 2886 , 9936 , 4723 , 616376 , 946047 , 3878573 , 6766451 , 6642846 , 50097749 , 582933586 , 610977882 , 8016935225 , 3750503107
n×2
15842262424
n×3
23763393636
n×4
31684524848
n×5
39605656060
n÷2
3960565606
n÷3
2640377070.6667
n÷3
1980282803
n÷5
1584226242.4
n2
6.2744319677721E+19
n3
4.970059889749E+29
n4
3.93684965182E+39
n5
3.1184302653983E+49
2 √n89000.737143015
3 √n1993.4058837092
4 √n298.32991325547
5 √n95.445936045296
1 , 2 , 4 , 137 , 274 , 548 , 3313 , 4363 , 6626 , 8726 , 13252 , 17452 , 453881 , 597731 , 907762 , 1195462 , 1815524 , 2390924 , 14454619 , 28909238 , 57818476 , 1980282803 , 3960565606 , 7921131212
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7921131211 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7921131212 can be divided by 24 positive divisors.
The sum of these divisors (counting 7921131212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111011000001000101101111011001100
3
Ternary
202110001000011021002
4
Quaternary
13120020231323030
5
Quinary
112210302144322
6
Senary
3350001155432
8
Octal
73010557314
10
Decimal
7921131212
12
Duodecimal
165092bb78
16
Hexadecimal
1d822decc
20
Vigesimal
63f7180c
36
Base36
3n01byk
md5
05cff3da18a799e874fa68bdeddaf7e4
sha1
b383008ef9695b0ec4cc12c8dd37f29a29e667cb
sha256
d9fc8c5c9397d764bbbf853a0b593ec7bc85ab4645ad96efbfeddbe70101a366
sha512
dd68b861b6ad14324706528ebc31d26cf160ab4aacc35a32589c4625ec0fa0b450690f12598d756363146f582001d621ea09b657a803fa28f5461007b49138d9
ripemd-160
26022f11af140cad5436324ecdaa301163a7ebe5
Diameter
15842262424
Circumference
49769935247.48
Area
1.9711709375402E+20
Volume
2.0818538183382E+30
Surface area
7.8846837501607E+20
Circumference
49769935247.48
Perimeter
31684524848
Area
6.2744319677721E+19
Diagonal
11202171189.347
Surface area
3.7646591806632E+20
Volume
4.970059889749E+29
Space diagonal
13719801712.604
Perimeter
23763393636
Area
2.7169087392039E+19
Altitude
6859900856.3018
Surface area
2.7169087392039E+19
Volume
5.8572717515746E+28
Height
3734057063.1157