16665639 is an odd 8-digits composite number following 16665638
and preceding 16665640 . In scientific notation, it is written as 1.6665639 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 10053120 positive integers (up to 16665639) that are relatively prime to 16665639.
16665639 has 16 divisors, whose sum is 22952160
The reverse of 16665639 is 93656661
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixteen million six hundred sixty-five thousand six hundred thirty-nine
Scientific notation
1.6665639 × 10^7
Engineering notation
1.6665639 × 10^6
Prime Factorization
3 × 989 × 137 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16665639
Product of the distinct prime numbers
The prime factorization of 16665639 is 3 × 989 × 137 × 41.
Since it has a total of 4 prime factors.
4 , 6 , 72 , 96 , 463 , 869 , 3168 , 8427 , 76344 , 77392 , 45815 , 643140 , 9379328 , 3486268 , 46240920 , 91293117 , 773682816 , 784124495 , 3620894636 , 1312475405
n×2
33331278
n×3
49996917
n×4
66662556
n×5
83328195
n÷2
8332819.5
n÷3
5555213
n÷3
4166409.75
n÷5
3333127.8
n2
277743523278321
n3
4.6287732935446E+21
n4
7.7141464723055E+28
n5
1.2856118030057E+36
2 √n
4082.3570397504
3 √n
255.43122728554
4 √n
63.893325471057
5 √n
27.820465601346
1 , 3 , 41 , 123 , 137 , 411 , 989 , 2967 , 5617 , 16851 , 40549 , 121647 , 135493 , 406479 , 5555213 , 16665639
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
-16665638
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 16665639 can be divided by 16 positive divisors.
The sum of these divisors (counting 16665639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111111100100110000100111
3
Ternary
1011100200221220
4
Quaternary
333210300213
5
Quinary
13231300024
6
Senary
1353111423
8
Octal
77446047
10
Decimal
16665639
12
Duodecimal
56b8573
16
Hexadecimal
fe4c27
20
Vigesimal
54341j
36
Base36
9x7af
md5
70c23a23e2984199ad6f53c028c4be1d
sha1
94eabb29f1bde27d1992f926965a33a063600f60
sha256
d5a37cd5ec1c953dd1d60bb680688bb14e56bc0fa03c55b99c634af3bfed5d3e
sha512
23b4aad69406accb73c51e76ba7abe3582561d0a26dc5bbbca996c58e30f6cfc89b2dc61242eac6af3f677949ddfcdc6c9a80050337f839f825404375857e13d
ripemd-160
d59b32eff12bae9baf14cd68f1decc5fd768e8d0
Diameter
33331278
Circumference
104713298.09956
Area
8.7255701231332E+14
Volume
1.9388960232176E+22
Surface area
3.4902280492533E+15
Circumference
104713298.09956
Perimeter
66662556
Area
277743523278321
Diagonal
23568772.699414
Surface area
1666461139669926
Volume
4.6287732935446E+21
Space diagonal
28865733.488601
Perimeter
49996917
Area
1.2026647344781E+14
Altitude
14432866.744301
Surface area
1.2026647344781E+14
Volume
5.4550616407343E+20
Height
7856257.5664713