1213908 is an even 7-digits composite number following 1213907
and preceding 1213909 . In scientific notation, it is written as 1.213908 × 10^6.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 404632 positive integers (up to 1213908) that are relatively prime to 1213908.
1213908 has 12 divisors, whose sum is 2832480
The reverse of 1213908 is 8093121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 24
Digital Root 6
Name
one million two hundred thirteen thousand nine hundred eight
Scientific notation
1.213908 × 10^6
Engineering notation
1.213908 × 10^6
Prime Factorization
2 × 2 × 3 × 101159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
606954
Product of the distinct prime numbers
The prime factorization of 1213908 is 2 × 2 × 3 × 101159.
Since it has a total of 4 prime factors.
1 , 5 , 76 , 1 , 991 , 370 , 2881 , 7567 , 71697 , 44501 , 969167 , 737775 , 6603461 , 9198245 , 57817732 , 65711419 , 692624461 , 722047108 , 8151405689 , 4119897125
n×2
2427816
n×3
3641724
n×4
4855632
n×5
6069540
n÷2
606954
n÷3
404636
n÷3
303477
n÷5
242781.6
n2
1473572632464
n3
1788781607129109312
n4
2.1714163031469E+24
n5
2.6358996217204E+30
2 √n
1101.7749316444
3 √n
106.67482142516
4 √n
33.19299521954
5 √n
16.47544503942
1 , 2 , 3 , 4 , 6 , 12 , 101159 , 202318 , 303477 , 404636 , 606954 , 1213908
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
-1213907
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 1213908 can be divided by 12 positive divisors.
The sum of these divisors (counting 1213908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101000010111010100
3
Ternary
2021200011120
4
Quaternary
10220113110
5
Quinary
302321113
6
Senary
42003540
8
Octal
4502724
10
Decimal
1213908
12
Duodecimal
4a65b0
16
Hexadecimal
1285d4
20
Vigesimal
7bef8
36
Base36
q0no
md5
d4ecf8ccec81e35b0070ad708a83966e
sha1
e68e48041270bba440b4439420afbc615d963ea8
sha256
c53e49f7e76e3436677449b36dc2c4d97df37382ea865d648f41bd1013330cdd
sha512
475693c0d514ef59c34534551b62bb56334cdb6a076459f76154bdcce478f48aec1588897bc7ca005cb622ad10c50e04089f7c1dc008bab1d0a797ead20322ab
ripemd-160
3dce962724df7dbcf47b38c991cd6ea8b10fb589
Diameter
2427816
Circumference
7627208.9098678
Area
4629364956679.9
Volume
7.4928308744445E+18
Surface area
18517459826720
Circumference
7627208.9098678
Perimeter
4855632
Area
1473572632464
Diagonal
1716725.1570732
Surface area
8841435794784
Volume
1788781607129109312
Space diagonal
2102550.3317143
Perimeter
3641724
Area
638075667017.67
Altitude
1051275.1658572
Surface area
638075667017.67
Volume
2.1080993407713E+17
Height
572241.7190244