12921880 is an even 8-digits composite number following 12921879
and preceding 12921881 . In scientific notation, it is written as 1.2921880 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 5028480 positive integers (up to 12921880) that are relatively prime to 12921880.
12921880 has 16 divisors, whose sum is 24362280
The reverse of 12921880 is 08812921
Previous prime number is 185
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred twenty-one thousand eight hundred eighty
Scientific notation
1.2921880 × 10^7
Engineering notation
1.2921880 × 10^6
Prime Factorization
2 × 2 × 2 × 185 × 8731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3230470
Product of the distinct prime numbers
The prime factorization of 12921880 is 2 × 2 × 2 × 185 × 8731.
Since it has a total of 5 prime factors.
6 , 1 , 68 , 54 , 72 , 104 , 9039 , 7468 , 8563 , 1167 , 278226 , 116624 , 705001 , 8522959 , 38678052 , 27828495 , 838788173 , 916198970 , 6093259802 , 856168364
n×2
25843760
n×3
38765640
n×4
51687520
n×5
64609400
n÷2
6460940
n÷3
4307293.3333333
n÷3
3230470
n÷5
2584376
n2
166974982734400
n3
2.157630689896E+21
n4
2.7880644859153E+28
n5
3.6027034719259E+35
2 √n
3594.7016566052
3 √n
234.66153175461
4 √n
59.955830880784
5 √n
26.440224643928
1 , 2 , 4 , 8 , 185 , 370 , 740 , 1480 , 8731 , 17462 , 34924 , 69848 , 1615235 , 3230470 , 6460940 , 12921880
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12921879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12921880 can be divided by 16 positive divisors.
The sum of these divisors (counting 12921880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010010110000011000
3
Ternary
220022111111011
4
Quaternary
301102300120
5
Quinary
11302000010
6
Senary
1140543304
8
Octal
61226030
10
Decimal
12921880
12
Duodecimal
43b1b34
16
Hexadecimal
c52c18
20
Vigesimal
40f4e0
36
Base36
7oyl4
md5
08a1991f210547719f008ae04bb29df6
sha1
e4bf221b80ffa985bad1984be1a8c89e61a75007
sha256
37251799f4cdb84caca9453c0e3ca7858470913cf3e60866706c28980b2ab803
sha512
aaf2b3357f6eee1d5ad5d38056eaab1735d2c30544c60304b0b0b9e25cfa3f01763003ab5f2c6a2f13ff81503c850816370135e0eed92d8829895edd8d3eebfc
ripemd-160
bcc450a0a71f162ab9e0b5f9125f2f4024296bf1
Diameter
25843760
Circumference
81190566.557138
Area
5.2456737909167E+14
Volume
9.0378622993828E+21
Surface area
2.0982695163667E+15
Circumference
81190566.557138
Perimeter
51687520
Area
166974982734400
Diagonal
18274297.947358
Surface area
1001849896406400
Volume
2.157630689896E+21
Space diagonal
22381352.689308
Perimeter
38765640
Area
72302288422229
Altitude
11190676.344654
Surface area
72302288422229
Volume
2.5427921535361E+20
Height
6091432.6491192