1681908 is an even 7-digits composite number following 1681907
and preceding 1681909 . In scientific notation, it is written as 1.681908 × 10^6.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 560632 positive integers (up to 1681908) that are relatively prime to 1681908.
1681908 has 12 divisors, whose sum is 3924480
The reverse of 1681908 is 8091861
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million six hundred eighty-one thousand nine hundred eight
Scientific notation
1.681908 × 10^6
Engineering notation
1.681908 × 10^6
Prime Factorization
2 × 2 × 3 × 140159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
840954
Product of the distinct prime numbers
The prime factorization of 1681908 is 2 × 2 × 3 × 140159.
Since it has a total of 4 prime factors.
9 , 4 , 77 , 37 , 431 , 837 , 9922 , 1541 , 58613 , 18279 , 946079 , 839610 , 273647 , 1591969 , 44000031 , 32430685 , 586624579 , 260780713 , 5896572347 , 3637623505
n×2
3363816
n×3
5045724
n×4
6727632
n×5
8409540
n÷2
840954
n÷3
560636
n÷3
420477
n÷5
336381.6
n2
2828814520464
n3
4757805772484565312
n4
8.002191591188E+24
n5
1.3458950054752E+31
2 √n
1296.8839578004
3 √n
118.92342600928
4 √n
36.012275098921
5 √n
17.585731873386
1 , 2 , 3 , 4 , 6 , 12 , 140159 , 280318 , 420477 , 560636 , 840954 , 1681908
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
-1681907
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 1681908 can be divided by 12 positive divisors.
The sum of these divisors (counting 1681908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110011010100111110100
3
Ternary
10011110010220
4
Quaternary
12122213310
5
Quinary
412310113
6
Senary
100014340
8
Octal
6324764
10
Decimal
1681908
12
Duodecimal
6913b0
16
Hexadecimal
19a9f4
20
Vigesimal
aa4f8
36
Base36
101ro
md5
eb61cc58100f59a0158f75553e9c6292
sha1
79ba0217b628b893f2ebb8d632ac8b161933569b
sha256
c56c53966a94de42400ded94d8d486d444afc1e343041a3df194cd3520f56326
sha512
70b9f64fe099a73f76b374d93beee8c4f5c867b7100af0f89c3354595c8e0d9eac10462720f1010a253acf40e32308ad8829fd32ac757ca187c20978ae80c9e9
ripemd-160
15a3a850e6a63b1e3401bb478154f08f757cd4c2
Diameter
3363816
Circumference
10567739.633628
Area
8886982915857.8
Volume
1.9929450216059E+19
Surface area
35547931663431
Circumference
10567739.633628
Perimeter
6727632
Area
2828814520464
Diagonal
2378577.1042638
Surface area
16972887122784
Volume
4757805772484565312
Space diagonal
2913150.1096566
Perimeter
5045724
Area
1224912618658.1
Altitude
1456575.0548283
Surface area
1224912618658.1
Volume
5.6071278754872E+17
Height
792859.0347546