1206921 is an odd 7-digits composite number following 1206920
and preceding 1206922 . In scientific notation, it is written as 1.206921 × 10^6.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 804612 positive integers (up to 1206921) that are relatively prime to 1206921.
1206921 has 4 divisors, whose sum is 1609232
The reverse of 1206921 is 1296021
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred six thousand nine hundred twenty-one
Scientific notation
1.206921 × 10^6
Engineering notation
1.206921 × 10^6
Prime Factorization
3 × 402307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1206921
Product of the distinct prime numbers
The prime factorization of 1206921 is 3 × 402307.
Since it has a total of 2 prime factors.
1 , 8 , 34 , 19 , 421 , 928 , 7761 , 6757 , 80279 , 56401 , 762616 , 844948 , 5009154 , 8660117 , 41795386 , 73414942 , 382017051 , 983371954 , 4825127045 , 8773781751
n×2
2413842
n×3
3620763
n×4
4827684
n×5
6034605
n÷2
603460.5
n÷3
402307
n÷3
301730.25
n÷5
241384.2
n2
1456658300241
n3
1758071492385167961
n4
2.121853403661E+24
n5
2.5609094317999E+30
2 √n
1098.5995630802
3 √n
106.46976152256
4 √n
33.145128798667
5 √n
16.456435381005
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
-1206920
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 1206921 can be divided by 4 positive divisors.
The sum of these divisors (counting 1206921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100110101010001001
3
Ternary
2021022120210
4
Quaternary
10212222021
5
Quinary
302110141
6
Senary
41511333
8
Octal
4465211
10
Decimal
1206921
12
Duodecimal
4a2549
16
Hexadecimal
126a89
20
Vigesimal
7ah61
36
Base36
pv9l
md5
4ba50a04fc7f73858493d75d645d0789
sha1
8be53216fc1963588898e5302672fdcfa4ddf1db
sha256
6ff970244f57ccd7b7ee05625dee117ccb2ad5b5712bbb7eab1f5a54a22f5a9e
sha512
86b19251f6d407d24a32dc87e104efe0bd484687d0cde09c27f56029ee2c4c9d7af5cf7617be078a807ea98c3398c17cb41ef87bb78000d8452473bf6150373e
ripemd-160
d96fff0a46fb81ea582f08c1498bd0db880f1155
Diameter
2413842
Circumference
7583308.2941265
Area
4576227014827.7
Volume
7.3641926466172E+18
Surface area
18304908059311
Circumference
7583308.2941265
Perimeter
4827684
Area
1456658300241
Diagonal
1706844.0469129
Surface area
8739949801446
Volume
1758071492385167961
Space diagonal
2090448.4927218
Perimeter
3620763
Area
630751546321.08
Altitude
1045224.2463609
Surface area
630751546321.08
Volume
2.0719071234605E+17
Height
568948.01563763