1221608 is an even 7-digits composite number following 1221607
and preceding 1221609 . In scientific notation, it is written as 1.221608 × 10^6.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 607600 positive integers (up to 1221608) that are relatively prime to 1221608.
1221608 has 16 divisors, whose sum is 2302560
The reverse of 1221608 is 8061221
Previous prime number is 311
Is Prime? no
Number parity even
Number length 7
Sum of Digits 20
Digital Root 2
Name
one million two hundred twenty-one thousand six hundred eight
Scientific notation
1.221608 × 10^6
Engineering notation
1.221608 × 10^6
Prime Factorization
2 × 2 × 2 × 311 × 491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
305402
Product of the distinct prime numbers
The prime factorization of 1221608 is 2 × 2 × 2 × 311 × 491.
Since it has a total of 5 prime factors.
10 , 7 , 40 , 4 , 516 , 769 , 1560 , 9143 , 44757 , 32038 , 731264 , 533698 , 3154917 , 1651167 , 23414741 , 62144920 , 390944706 , 572825637 , 4902947878 , 1691230788
n×2
2443216
n×3
3664824
n×4
4886432
n×5
6108040
n÷2
610804
n÷3
407202.66666667
n÷3
305402
n÷5
244321.6
n2
1492326105664
n3
1823037509287987712
n4
2.2270372056463E+24
n5
2.7205664667151E+30
2 √n
1105.2637694234
3 √n
106.89989764546
4 √n
33.245507507382
5 √n
16.49629345088
1 , 2 , 4 , 8 , 311 , 491 , 622 , 982 , 1244 , 1964 , 2488 , 3928 , 152701 , 305402 , 610804 , 1221608
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
-1221607
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 1221608 can be divided by 16 positive divisors.
The sum of these divisors (counting 1221608) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001111101000
3
Ternary
2022001201202
4
Quaternary
10222033220
5
Quinary
303042413
6
Senary
42103332
8
Octal
4521750
10
Decimal
1221608
12
Duodecimal
4aab48
16
Hexadecimal
12a3e8
20
Vigesimal
7ce08
36
Base36
q6lk
md5
1e81b5b2f61f0b1523b2d2511b1ed8f5
sha1
73857ea47a29da91b41ce177b25a576a9754d2ba
sha256
4655d6e638ad3f10a0d0d5faab9dc9297d5f6ccd790b49d494786f6abc5e01cd
sha512
88228482e822e1424ca1e7286d1dd63ae35defc024304ddb6b18d2d342758cecd9480f10679c6599764b68a23d07ca1fdbeab170a2f2d84e7240b014974f545d
ripemd-160
502faa2d09b18df90e3e3656f342ce4d11cfcab9
Diameter
2443216
Circumference
7675589.436733
Area
4688280730314.3
Volume
7.6363216618637E+18
Surface area
18753122921257
Circumference
7675589.436733
Perimeter
4886432
Area
1492326105664
Diagonal
1727614.6015035
Surface area
8953956633984
Volume
1823037509287987712
Space diagonal
2115887.1229326
Perimeter
3664824
Area
646196159117.86
Altitude
1057943.5614663
Surface area
646196159117.86
Volume
2.1484703086249E+17
Height
575871.53383449