20121210 is an even 8-digits composite number following 20121209
and preceding 20121211 . In scientific notation, it is written as 2.0121210 × 10^7.
The sum of its digits is 9. It has a total of 5 prime factors and 24 positive divisors.
There are 5365440 positive integers (up to 20121210) that are relatively prime to 20121210.
20121210 has 24 divisors, whose sum is 40691196
The reverse of 20121210 is 01212102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 9
Digital Root 9
Name
twenty million one hundred twenty-one thousand two hundred ten
Scientific notation
2.0121210 × 10^7
Engineering notation
2.0121210 × 10^6
Prime Factorization
2 × 5 × 9 × 9 × 24841
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2235690
Product of the distinct prime numbers
The prime factorization of 20121210 is 2 × 5 × 9 × 9 × 24841.
Since it has a total of 5 prime factors.
1 , 6 , 74 , 80 , 698 , 371 , 3995 , 3550 , 82515 , 50110 , 379167 , 647927 , 1115952 , 4705819 , 2808805 , 21244779 , 56559554 , 693894124 , 9577999634 , 2596972627
n×2
40242420
n×3
60363630
n×4
80484840
n×5
100606050
n÷2
10060605
n÷3
6707070
n÷3
5030302.5
n÷5
4024242
n2
404863091864100
n3
8.1463352926468E+21
n4
1.6391412315376E+29
n5
3.2981504939426E+36
2 √n
4485.6671744569
3 √n
271.9890151994
4 √n
66.975123549396
5 √n
28.888887572457
1 , 2 , 5 , 9 , 10 , 18 , 45 , 81 , 90 , 162 , 405 , 810 , 24841 , 49682 , 124205 , 223569 , 248410 , 447138 , 1117845 , 2012121 , 2235690 , 4024242 , 10060605 , 20121210
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121209
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121210 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121210) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000011001111010
3
Ternary
1101212021010000
4
Quaternary
1030300121322
5
Quinary
20122334320
6
Senary
1555133430
8
Octal
114603172
10
Decimal
20121210
12
Duodecimal
68a4276
16
Hexadecimal
133067a
20
Vigesimal
65f30a
36
Base36
bz9mi
md5
2f3c62e5caeab1bf8535f0f3b3c96eef
sha1
54d5f04fbe06daa86a4c181d9b152b11a5610255
sha256
90c2a9d2a111545a71e9a9f0d07ef95ec8096a7b64730fb983ef8881ada95ac0
sha512
da14e83a4ebea2c977efc3c53ff949093189928ec3bfbd0bfdd91ffc94f74b27d8aff945880f36ef364654ae800629e1a566cd7bbb9949522f667b69153b6eba
ripemd-160
e04f0900eec10298fa696a32206732fdb9a85364
Diameter
40242420
Circumference
126425291.03467
Area
1.2719149151099E+15
Volume
3.4123289478745E+22
Surface area
5.0876596604396E+15
Circumference
126425291.03467
Perimeter
80484840
Area
404863091864100
Diagonal
28455688.073357
Surface area
2429178551184600
Volume
8.1463352926468E+21
Space diagonal
34850958.029763
Perimeter
60363630
Area
1.7531086130451E+14
Altitude
17425479.014881
Surface area
1.7531086130451E+14
Volume
9.6005482120831E+20
Height
9485229.3577857