12858021 is an odd 8-digits composite number following 12858020
and preceding 12858022 . In scientific notation, it is written as 1.2858021 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors.
There are 7792200 positive integers (up to 12858021) that are relatively prime to 12858021.
12858021 has 20 divisors, whose sum is 20955264
The reverse of 12858021 is 12085821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million eight hundred fifty-eight thousand twenty-one
Scientific notation
1.2858021 × 10^7
Engineering notation
1.2858021 × 10^6
Prime Factorization
3 × 9 × 3 × 11 × 14431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4286007
Product of the distinct prime numbers
The prime factorization of 12858021 is 3 × 9 × 3 × 11 × 14431.
Since it has a total of 5 prime factors.
3 , 2 , 46 , 8 , 59 , 264 , 7178 , 5102 , 73779 , 93633 , 974479 , 198100 , 8851428 , 5399460 , 42718409 , 10831192 , 211275968 , 253374679 , 7890445596 , 1820533814
n×2
25716042
n×3
38574063
n×4
51432084
n×5
64290105
n÷2
6429010.5
n÷3
4286007
n÷3
3214505.25
n÷5
2571604.2
n2
165328704036441
n3
2.1257999484033E+21
n4
2.7333580378369E+28
n5
3.5145575051026E+35
2 √n
3585.8082770834
3 √n
234.27433308853
4 √n
59.881618858239
5 √n
26.414039693926
1 , 3 , 9 , 11 , 27 , 33 , 81 , 99 , 297 , 891 , 14431 , 43293 , 129879 , 158741 , 389637 , 476223 , 1168911 , 1428669 , 4286007 , 12858021
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12858020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12858021 can be divided by 20 positive divisors.
The sum of these divisors (counting 12858021) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001000011001010100101
3
Ternary
220012020220000
4
Quaternary
301003022211
5
Quinary
11242424041
6
Senary
1135331513
8
Octal
61031245
10
Decimal
12858021
12
Duodecimal
4380b99
16
Hexadecimal
c432a5
20
Vigesimal
407511
36
Base36
7nlb9
md5
7a121add1d693299dd42ee45b295655b
sha1
6d8f39ae0a95e40007c3e3ea75ba33f8c9b2bafb
sha256
262e4c4e370cacf404a9ba9dbb2e801507912088f1f12796e0f1d79554e5fc6b
sha512
388c304b709c5c5189f4b4f9260b55bad9a0352ac98a6a909c2f990c9cd9ec6f718388a6828add0599f624168c2e11dd8c89ce15fa1d87f4894fe5a8e5a94bd7
ripemd-160
9ae84b62c4d9f81ac8fe497d42c1d1d1168869ca
Diameter
25716042
Circumference
80789328.626607
Area
5.193954420284E+14
Volume
8.9045300012073E+21
Surface area
2.0775817681136E+15
Circumference
80789328.626607
Perimeter
51432084
Area
165328704036441
Diagonal
18183987.683478
Surface area
991972224218646
Volume
2.1257999484033E+21
Space diagonal
22270745.656788
Perimeter
38574063
Area
71589428835158
Altitude
11135372.828394
Surface area
71589428835158
Volume
2.5052792649367E+20
Height
6061329.227826