212912665 is an odd 9-digits composite number following 212912664
and preceding 212912666 . In scientific notation, it is written as 2.12912665 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 145997232 positive integers (up to 212912665) that are relatively prime to 212912665.
212912665 has 8 divisors, whose sum is 291994560
The reverse of 212912665 is 566219212
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twelve million nine hundred twelve thousand six hundred sixty-five
Scientific notation
2.12912665 × 10^8
Engineering notation
2.12912665 × 10^6
Prime Factorization
5 × 7 × 6083219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
212912665
Product of the distinct prime numbers
The prime factorization of 212912665 is 5 × 7 × 6083219.
Since it has a total of 3 prime factors.
6 , 10 , 18 , 92 , 703 , 703 , 9263 , 9924 , 86758 , 13322 , 702119 , 462898 , 2820602 , 3366190 , 26682330 , 30170696 , 108576770 , 668918286 , 4033872259 , 1947356368
n×2
425825330
n×3
638737995
n×4
851650660
n×5
1064563325
n÷2
106456332.5
n÷3
70970888.333333
n÷3
53228166.25
n÷5
42582533
n2
45331802917402225
n3
9.6517149683989E+24
n4
2.0549723557422E+33
n5
4.375296407624E+41
2 √n
14591.527164762
3 √n
597.12762755214
4 √n
120.79539380607
5 √n
46.306323258423
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
-212912664
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 212912665 can be divided by 8 positive divisors.
The sum of these divisors (counting 212912665) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100101100001100101000011001
3
Ternary
112211122002021021
4
Quaternary
30230030220121
5
Quinary
414001201130
6
Senary
33043242441
8
Octal
1454145031
10
Decimal
212912665
12
Duodecimal
5b379421
16
Hexadecimal
cb0ca19
20
Vigesimal
36ae1d5
36
Base36
3irggp
md5
7a5fb69bec303d659629861b80868697
sha1
c2845be5bc230e88e3f9dfa297ee47b71b4b2bd3
sha256
620040fe24a1c3f22a2fc14527c8eeb36b99b7ff2490f73c9e6b8268b2b9c8b3
sha512
71147609c8a49722d607177231097983ea20f7ac6d0c60d40d0682c4f2419e960d07a9161165ede3f2518a880591a7c0588cf9e82f43f8ef93eba7a2a771bef1
ripemd-160
61fbf553f5a05cff19206e99978c2f1a515419a7
Diameter
425825330
Circumference
1337769728.4404
Area
1.4241405901929E+17
Volume
4.0429009119019E+25
Surface area
5.6965623607716E+17
Circumference
1337769728.4404
Perimeter
851650660
Area
45331802917402225
Diagonal
301103978.444
Surface area
271990817504413350
Volume
9.6517149683989E+24
Space diagonal
368775553.35489
Perimeter
638737995
Area
1.962924646291E+16
Altitude
184387776.67745
Surface area
1.962924646291E+16
Volume
1.1374655173724E+24
Height
100367992.81467