16991639 is an odd 8-digits composite number following 16991638
and preceding 16991640 . In scientific notation, it is written as 1.6991639 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 14470560 positive integers (up to 16991639) that are relatively prime to 16991639.
16991639 has 8 divisors, whose sum is 19543968
The reverse of 16991639 is 93619961
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixteen million nine hundred ninety-one thousand six hundred thirty-nine
Scientific notation
1.6991639 × 10^7
Engineering notation
1.6991639 × 10^6
Prime Factorization
7 × 157 × 15461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16991639
Product of the distinct prime numbers
The prime factorization of 16991639 is 7 × 157 × 15461.
Since it has a total of 3 prime factors.
8 , 1 , 45 , 97 , 185 , 728 , 2708 , 286 , 29441 , 22632 , 32664 , 575295 , 3393444 , 4452877 , 20160764 , 79061835 , 164458843 , 643327396 , 2999056547 , 5553855723
n×2
33983278
n×3
50974917
n×4
67966556
n×5
84958195
n÷2
8495819.5
n÷3
5663879.6666667
n÷3
4247909.75
n÷5
3398327.8
n2
288715795906321
n3
4.9057545776379E+21
n4
8.335681080582E+28
n5
1.4163688374038E+36
2 √n
4122.0915807391
3 √n
257.08599826027
4 √n
64.203516887621
5 √n
27.928464214654
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16991638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16991639 can be divided by 8 positive divisors.
The sum of these divisors (counting 16991639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000110100010110010111
3
Ternary
1011222021010222
4
Quaternary
1000310112113
5
Quinary
13322213024
6
Senary
1404104555
8
Octal
100642627
10
Decimal
16991639
12
Duodecimal
583515b
16
Hexadecimal
1034597
20
Vigesimal
563j1j
36
Base36
a46tz
md5
d95171901c5bb72a321f0ee22147107e
sha1
30e9301967e5c16696ab1d19c6215cabe994361a
sha256
77fbe4762c9e85bb0fe8b9cdeb7f431c31331fa002e41e6b363279ed6e75378e
sha512
5400515cdc3310692c203a5ef2e38115f6c2b484a5cb79a802acd9fcde63891b6bbbb44490ea456bd654db746bd8dd5697e24e0248e843fb10a3bde215a02d72
ripemd-160
9e6ddc53005a54b2457ad0452c48fcd8293f1141
Diameter
33983278
Circumference
106761616.5097
Area
9.0702742339463E+14
Volume
2.0549176721896E+22
Surface area
3.6281096935785E+15
Circumference
106761616.5097
Perimeter
67966556
Area
288715795906321
Diagonal
24029806.320748
Surface area
1732294775437926
Volume
4.9057545776379E+21
Space diagonal
29430382.051869
Perimeter
50974917
Area
1.2501760686436E+14
Altitude
14715191.025934
Surface area
1.2501760686436E+14
Volume
5.7814872144745E+20
Height
8009935.4402492