212905907 is an odd 9-digits composite number following 212905906
and preceding 212905908 . In scientific notation, it is written as 2.12905907 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 199449600 positive integers (up to 212905907) that are relatively prime to 212905907.
212905907 has 16 divisors, whose sum is 226860480
The reverse of 212905907 is 709509212
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twelve million nine hundred five thousand nine hundred seven
Scientific notation
2.12905907 × 10^8
Engineering notation
2.12905907 × 10^6
Prime Factorization
29 × 41 × 743 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
212905907
Product of the distinct prime numbers
The prime factorization of 212905907 is 29 × 41 × 743 × 241.
Since it has a total of 4 prime factors.
3 , 7 , 61 , 98 , 207 , 29 , 5296 , 5443 , 34707 , 93962 , 275617 , 998185 , 9778760 , 2699549 , 4599786 , 53105715 , 247788964 , 582369462 , 90439399 , 4981868046
n×2
425811814
n×3
638717721
n×4
851623628
n×5
1064529535
n÷2
106452953.5
n÷3
70968635.666667
n÷3
53226476.75
n÷5
42581181.4
n2
45328925235492649
n3
9.6507959405978E+24
n4
2.0547114630049E+33
n5
4.3746020765435E+41
2 √n
14591.29559018
3 √n
597.12130973289
4 √n
120.79443526165
5 √n
46.306029295539
1 , 29 , 41 , 241 , 743 , 1189 , 6989 , 9881 , 21547 , 30463 , 179063 , 286549 , 883427 , 5192827 , 7341583 , 212905907
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-212905906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 212905907 can be divided by 16 positive divisors.
The sum of these divisors (counting 212905907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100101100001010111110110011
3
Ternary
112211121201222222
4
Quaternary
30230022332303
5
Quinary
414000442112
6
Senary
33043151255
8
Octal
1454127663
10
Decimal
212905907
12
Duodecimal
5b37552b
16
Hexadecimal
cb0afb3
20
Vigesimal
36ad4f7
36
Base36
3irb8z
md5
3f1f2e1d7e288ebaaf23691267202deb
sha1
b2fd581178861bd6db3e874d261917ac0134987b
sha256
e0432f3990e62a550d805e95b78811224eea9d9403bd381cc5d99e96cbc17395
sha512
c9f185980b8f8bcd1de9a3c5e124ef9e45e00f2cad261d0bc7d1fc3155ba37a63ad31f1e8156ca01d0ac7de1f143e50427bc4c934de98ce2ef121c002af25a8e
ripemd-160
c203f928d84263bab8eb6e88328efb40648e4cf9
Diameter
425811814
Circumference
1337727266.6741
Area
1.4240501851494E+17
Volume
4.0425159504368E+25
Surface area
5.6962007405978E+17
Circumference
1337727266.6741
Perimeter
851623628
Area
45328925235492649
Diagonal
301094421.18874
Surface area
271973551412955894
Volume
9.6507959405978E+24
Space diagonal
368763848.15553
Perimeter
638717721
Area
1.9628000390091E+16
Altitude
184381924.07777
Surface area
1.9628000390091E+16
Volume
1.1373572089074E+24
Height
100364807.06291