12947821 is an odd 8-digits composite number following 12947820
and preceding 12947822 . In scientific notation, it is written as 1.2947821 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 12822012 positive integers (up to 12947821) that are relatively prime to 12947821.
12947821 has 4 divisors, whose sum is 13073632
The reverse of 12947821 is 12874921
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred forty-seven thousand eight hundred twenty-one
Scientific notation
1.2947821 × 10^7
Engineering notation
1.2947821 × 10^6
Prime Factorization
103 × 125707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12947821
Product of the distinct prime numbers
The prime factorization of 12947821 is 103 × 125707.
Since it has a total of 2 prime factors.
2 , 8 , 6 , 36 , 85 , 500 , 1929 , 8763 , 34614 , 64803 , 724029 , 459884 , 4904052 , 5505333 , 30002228 , 50274893 , 580535404 , 755060587 , 6973835847 , 9423493794
n×2
25895642
n×3
38843463
n×4
51791284
n×5
64739105
n÷2
6473910.5
n÷3
4315940.3333333
n÷3
3236955.25
n÷5
2589564.2
n2
167646068648041
n3
2.1706512882085E+21
n4
2.8105204333144E+28
n5
3.6390115487397E+35
2 √n
3598.3080746373
3 √n
234.8184564391
4 √n
59.985898964984
5 √n
26.450832013083
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12947820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12947821 can be divided by 4 positive divisors.
The sum of these divisors (counting 12947821) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011001000101101101
3
Ternary
220100211001221
4
Quaternary
301121011231
5
Quinary
11303312241
6
Senary
1141303341
8
Octal
61310555
10
Decimal
12947821
12
Duodecimal
4404b51
16
Hexadecimal
c5916d
20
Vigesimal
40i9b1
36
Base36
7pilp
md5
5ccf131cd20591a3a8e54259be792106
sha1
4ae4ebb762716c2395eb8cfe51bb3b54702770bd
sha256
a26345ba65a0de6b56d122cb7b99b30a16e158248b6839fac44819aac2aa0f23
sha512
fa777f643816f6d1e49b4d97aa564718aad3235e8bee9736c39e0500aba0ae92c26875a0aaa5f45ab47e2d0f1d7f516bac08c476ac0ad737687c212e1dd02b0e
ripemd-160
b1427fc3c4d5b9cf463d0002882ea97021edf104
Diameter
25895642
Circumference
81353558.667191
Area
5.266756576679E+14
Volume
9.0924028540549E+21
Surface area
2.1067026306716E+15
Circumference
81353558.667191
Perimeter
51791284
Area
167646068648041
Diagonal
18310984.061379
Surface area
1005876411888246
Volume
2.1706512882085E+21
Space diagonal
22426283.819307
Perimeter
38843463
Area
72592877146897
Altitude
11213141.909654
Surface area
72592877146897
Volume
2.558137075806E+20
Height
6103661.3537931