12921615 is an odd 8-digits composite number following 12921614
and preceding 12921616 . In scientific notation, it is written as 1.2921615 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5225472 positive integers (up to 12921615) that are relatively prime to 12921615.
12921615 has 32 divisors, whose sum is 19374080
The reverse of 12921615 is 51612921
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred twenty-one thousand six hundred fifteen
Scientific notation
1.2921615 × 10^7
Engineering notation
1.2921615 × 10^6
Prime Factorization
3 × 21 × 19 × 85 × 127
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12921615
Product of the distinct prime numbers
The prime factorization of 12921615 is 3 × 21 × 19 × 85 × 127.
Since it has a total of 5 prime factors.
2 , 9 , 80 , 76 , 866 , 220 , 5097 , 2872 , 96230 , 74748 , 894607 , 486823 , 7097017 , 1790080 , 90521783 , 89877689 , 105549097 , 162116608 , 1490024825 , 2986886405
n×2
25843230
n×3
38764845
n×4
51686460
n×5
64608075
n÷2
6460807.5
n÷3
4307205
n÷3
3230403.75
n÷5
2584323
n2
166968134208225
n3
2.157497947507E+21
n4
2.7878357840976E+28
n5
3.6023340685332E+35
2 √n
3594.6647966118
3 √n
234.659927609
4 √n
59.955523487096
5 √n
26.440116196596
1 , 3 , 19 , 21 , 57 , 63 , 85 , 127 , 255 , 381 , 399 , 1197 , 1615 , 1785 , 2413 , 2667 , 4845 , 5355 , 7239 , 8001 , 10795 , 32385 , 33915 , 50673 , 101745 , 152019 , 205105 , 226695 , 615315 , 680085 , 4307205 , 12921615
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12921614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12921615 can be divided by 32 positive divisors.
The sum of these divisors (counting 12921615) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001010010101100001111
3
Ternary
220022111010100
4
Quaternary
301102230033
5
Quinary
11301442430
6
Senary
1140542143
8
Octal
61225417
10
Decimal
12921615
12
Duodecimal
43b1953
16
Hexadecimal
c52b0f
20
Vigesimal
40f40f
36
Base36
7oydr
md5
cdbaa77197dca1a139cc055fa6dd539f
sha1
74e4eeded1835e978969b909afe48ddf7577b62e
sha256
34c32fce3b46cd78ed00f8dccbc093615d741b5ed286d95e4047ed61d0690a4e
sha512
82ea35422cea9ba851ef0eb51db17651208c800ffe5c220304514fdfa3ae826a6fe830cd927e605bbc16e200144306f2283629362b7fc0d5593342904694f9d8
ripemd-160
77f23337d0860230e598681e8ea5c28e4e3aebf9
Diameter
25843230
Circumference
81188901.513031
Area
5.2454586381215E+14
Volume
9.0373062693641E+21
Surface area
2.0981834552486E+15
Circumference
81188901.513031
Perimeter
51686460
Area
166968134208225
Diagonal
18273923.180764
Surface area
1001808805249350
Volume
2.157497947507E+21
Space diagonal
22380893.695844
Perimeter
38764845
Area
72299322923406
Altitude
11190446.847922
Surface area
72299322923406
Volume
2.5426357151304E+20
Height
6091307.7269212