1687968 is an even 7-digits composite number following 1687967
and preceding 1687969 . In scientific notation, it is written as 1.687968 × 10^6.
The sum of its digits is 45. It has a total of 8 prime factors and 36 positive divisors.
There are 562560 positive integers (up to 1687968) that are relatively prime to 1687968.
1687968 has 36 divisors, whose sum is 4800978
The reverse of 1687968 is 8697861
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 45
Digital Root 9
Name
one million six hundred eighty-seven thousand nine hundred sixty-eight
Scientific notation
1.687968 × 10^6
Engineering notation
1.687968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 3 × 5861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
35166
Product of the distinct prime numbers
The prime factorization of 1687968 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5861.
Since it has a total of 8 prime factors.
4 , 10 , 56 , 47 , 142 , 272 , 1828 , 9230 , 99519 , 40764 , 276646 , 543150 , 2825808 , 6303897 , 70835209 , 98528288 , 952882592 , 474389527 , 6681129249 , 1445642541
n×2
3375936
n×3
5063904
n×4
6751872
n×5
8439840
n÷2
843984
n÷3
562656
n÷3
421992
n÷5
337593.6
n2
2849235969024
n3
4809419140161503232
n4
8.1181456071801E+24
n5
1.3703170004261E+31
2 √n
1299.2182264731
3 √n
119.06608386096
4 √n
36.044669876046
5 √n
17.5983861061
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 16 , 18 , 24 , 32 , 36 , 48 , 72 , 96 , 144 , 288 , 5861 , 11722 , 17583 , 23444 , 35166 , 46888 , 52749 , 70332 , 93776 , 105498 , 140664 , 187552 , 210996 , 281328 , 421992 , 562656 , 843984 , 1687968
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1687967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1687968 can be divided by 36 positive divisors.
The sum of these divisors (counting 1687968) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
110011100000110100000
3
Ternary
10011202110100
4
Quaternary
12130012200
5
Quinary
413003333
6
Senary
100102400
8
Octal
6340640
10
Decimal
1687968
12
Duodecimal
694a00
16
Hexadecimal
19c1a0
20
Vigesimal
aaji8
36
Base36
106g0
md5
88c08291579a3a0b8645544dcb12a71a
sha1
50477e7863a55cab6b3fc76456b740ca37aee817
sha256
7d5b9dbaa888af82f20818f4440c649b9292eb6ee65cb8578be89c2d2a30369f
sha512
8948cb5c3bd3612ff8f34cf7e25e3ed1e33eaebecc306f23fd04f0897a8ddf4195aee19a61f247a7e4d095927fd19ee86708a4bc1c167940bfa071738b54a03c
ripemd-160
198f50a764761794ba0329ff25d300bb3ff800ef
Diameter
3375936
Circumference
10605815.736589
Area
8951138788629.6
Volume
2.0145647785021E+19
Surface area
35804555154518
Circumference
10605815.736589
Perimeter
6751872
Area
2849235969024
Diagonal
2387147.2384518
Surface area
17095415814144
Volume
4809419140161503232
Space diagonal
2923646.3375504
Perimeter
5063904
Area
1233755365275.6
Altitude
1461823.1687752
Surface area
1233755365275.6
Volume
5.6679548126276E+17
Height
795715.7461506