212912091 is an odd 9-digits composite number following 212912090
and preceding 212912092 . In scientific notation, it is written as 2.12912091 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 121663944 positive integers (up to 212912091) that are relatively prime to 212912091.
212912091 has 8 divisors, whose sum is 252340480
The reverse of 212912091 is 190219212
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred twelve million nine hundred twelve thousand ninety-one
Scientific notation
2.12912091 × 10^8
Engineering notation
2.12912091 × 10^6
Prime Factorization
27 × 7 × 1126519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
212912091
Product of the distinct prime numbers
The prime factorization of 212912091 is 27 × 7 × 1126519.
Since it has a total of 3 prime factors.
5 , 1 , 57 , 22 , 141 , 497 , 9870 , 8133 , 78850 , 88258 , 686449 , 134929 , 1553941 , 6320979 , 37327927 , 26021803 , 874346029 , 259941384 , 2462658014 , 4633390440
n×2
425824182
n×3
638736273
n×4
851648364
n×5
1064560455
n÷2
106456045.5
n÷3
70970697
n÷3
53228022.75
n÷5
42582418.2
n2
45331558493992281
n3
9.6516369072447E+24
n4
2.0549501954942E+33
n5
4.3752374302354E+41
2 √n
14591.5074958
3 √n
597.12709094469
4 √n
120.79531239167
5 √n
46.306298290573
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-212912090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 212912091 can be divided by 8 positive divisors.
The sum of these divisors (counting 212912091) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100101100001100011111011011
3
Ternary
112211122001111000
4
Quaternary
30230030133123
5
Quinary
414001141331
6
Senary
33043240043
8
Octal
1454143733
10
Decimal
212912091
12
Duodecimal
5b379023
16
Hexadecimal
cb0c7db
20
Vigesimal
36ae04b
36
Base36
3irg0r
md5
0de60105117cd55dde0ed6e5cd7d8e06
sha1
9dd53616a580e2144dc880e268afdbd0c1d7734c
sha256
dd6fac4ea8aaf23973f00319888a4e124cc4683789d4db780cb5dd50117b87b5
sha512
d9be7fa8af1fe6142ac152f036d878ceb14baa9d7b73033d3ec6d4a2456d9c1a3831ef0051cd40cf7f9dc0795059c632402d3a2edf414bda60e33cda335fa3dc
ripemd-160
3bfeb4ddc361ee2db334de8cee778d14e4063321
Diameter
425824182
Circumference
1337766121.8921
Area
1.424132911405E+17
Volume
4.0428682137221E+25
Surface area
5.6965316456201E+17
Circumference
1337766121.8921
Perimeter
851648364
Area
45331558493992281
Diagonal
301103166.68541
Surface area
271989350963953686
Volume
9.6516369072447E+24
Space diagonal
368774559.15773
Perimeter
638736273
Area
1.9629140624469E+16
Altitude
184387279.57886
Surface area
1.9629140624469E+16
Volume
1.1374563177772E+24
Height
100367722.22847