1216918 is an even 7-digits composite number following 1216917
and preceding 1216919 . In scientific notation, it is written as 1.216918 × 10^6.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 608458 positive integers (up to 1216918) that are relatively prime to 1216918.
1216918 has 4 divisors, whose sum is 1825380
The reverse of 1216918 is 8196121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 28
Digital Root 1
Name
one million two hundred sixteen thousand nine hundred eighteen
Scientific notation
1.216918 × 10^6
Engineering notation
1.216918 × 10^6
Prime Factorization
2 × 608459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1216918
Product of the distinct prime numbers
The prime factorization of 1216918 is 2 × 608459.
Since it has a total of 2 prime factors.
9 , 3 , 18 , 52 , 612 , 757 , 7082 , 9476 , 79286 , 12097 , 309930 , 161805 , 3848426 , 608102 , 23609530 , 38120063 , 741353487 , 884964247 , 879420477 , 1352204636
n×2
2433836
n×3
3650754
n×4
4867672
n×5
6084590
n÷2
608459
n÷3
405639.33333333
n÷3
304229.5
n÷5
243383.6
n2
1480889418724
n3
1802120989654772632
n4
2.1930334704887E+24
n5
2.6687419048402E+30
2 √n
1103.1400636365
3 √n
106.76291876187
4 √n
33.213552409168
5 √n
16.483607433324
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1216917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1216918 can be divided by 4 positive divisors.
The sum of these divisors (counting 1216918) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001000110010110
3
Ternary
2021211022001
4
Quaternary
10221012112
5
Quinary
302420133
6
Senary
42025514
8
Octal
4510626
10
Decimal
1216918
12
Duodecimal
4a829a
16
Hexadecimal
129196
20
Vigesimal
7c25i
36
Base36
q2za
md5
c143209345a31e2c97d320516acf7b98
sha1
f643d9ffaaa9ab1058721fea2382c02b1e16d169
sha256
26d7aa2b3a366536211f1bd540a1c53e1bf102d70cee9aad7e95ee54dbd41b64
sha512
52d5c715b9828dd2404bf5a9d64314e6f7b24789d1893634374d466075e83b06c21eafee3c130f0417901a7eaf96306d8d69dade0f082f91ce20dd59fea8ee73
ripemd-160
505f1d07770de0f3a4a522edfa504126d018c4f0
Diameter
2433836
Circumference
7646121.2976424
Area
4652351318642.2
Volume
7.5487067493059E+18
Surface area
18609405274569
Circumference
7646121.2976424
Perimeter
4867672
Area
1480889418724
Diagonal
1720981.9398959
Surface area
8885336512344
Volume
1802120989654772632
Space diagonal
2107763.8046451
Perimeter
3650754
Area
641243928405.28
Altitude
1053881.9023226
Surface area
641243928405.28
Volume
2.1238199538392E+17
Height
573660.64663198