21307956 is an even 8-digits composite number following 21307955
and preceding 21307957 . In scientific notation, it is written as 2.1307956 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 7102648 positive integers (up to 21307956) that are relatively prime to 21307956.
21307956 has 12 divisors, whose sum is 49718592
The reverse of 21307956 is 65970312
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred seven thousand nine hundred fifty-six
Scientific notation
2.1307956 × 10^7
Engineering notation
2.1307956 × 10^6
Prime Factorization
2 × 2 × 3 × 1775663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10653978
Product of the distinct prime numbers
The prime factorization of 21307956 is 2 × 2 × 3 × 1775663.
Since it has a total of 4 prime factors.
3 , 5 , 33 , 45 , 316 , 794 , 8661 , 3724 , 41221 , 15862 , 206134 , 29686 , 6639951 , 4330083 , 72819137 , 10090707 , 383067147 , 763360597 , 5001356983 , 6826096357
n×2
42615912
n×3
63923868
n×4
85231824
n×5
106539780
n÷2
10653978
n÷3
7102652
n÷3
5326989
n÷5
4261591.2
n2
454028988897936
n3
9.6744297181617E+21
n4
2.0614232275968E+29
n5
4.3924715431011E+36
2 √n
4616.0541591277
3 √n
277.23449322875
4 √n
67.941549578499
5 √n
29.22189381221
1 , 2 , 3 , 4 , 6 , 12 , 1775663 , 3551326 , 5326989 , 7102652 , 10653978 , 21307956
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21307955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21307956 can be divided by 12 positive divisors.
The sum of these divisors (counting 21307956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001010010001000110100
3
Ternary
1111002120000120
4
Quaternary
1101102020310
5
Quinary
20423323311
6
Senary
2040411540
8
Octal
121221064
10
Decimal
21307956
12
Duodecimal
7176bb0
16
Hexadecimal
1452234
20
Vigesimal
6d39hg
36
Base36
copbo
md5
cd86a5787fa4f242d889fc25080a2042
sha1
68734d5f143648f5c0862fcd96cc15e370c9f5e3
sha256
0e64483d20f725d7e5e04aa7a1c36a6f081b5523f92d18767f6911fde474b7f7
sha512
9940e8d679f5a49cb01f195175f7f1ccfb4b0e881d6f6223ce84096a745f293655baf75edcb96c2ccf270804ebf2f6237c14b14159ff60a49640d1f18dab22ac
ripemd-160
51ff9a739844d65e6d4354f018f92bcf2a808d8f
Diameter
42615912
Circumference
133881836.06523
Area
1.4263741360386E+15
Volume
4.052415644033E+22
Surface area
5.7054965441542E+15
Circumference
133881836.06523
Perimeter
85231824
Area
454028988897936
Diagonal
30134000.361649
Surface area
2724173933387616
Volume
9.6744297181617E+21
Space diagonal
36906462.397442
Perimeter
63923868
Area
1.9660031922009E+14
Altitude
18453231.198721
Surface area
1.9660031922009E+14
Volume
1.1401424763041E+21
Height
10044666.787216