16391947 is an odd 8-digits composite number following 16391946
and preceding 16391948 . In scientific notation, it is written as 1.6391947 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 13572000 positive integers (up to 16391947) that are relatively prime to 16391947.
16391947 has 16 divisors, whose sum is 19514880
The reverse of 16391947 is 74919361
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixteen million three hundred ninety-one thousand nine hundred forty-seven
Scientific notation
1.6391947 × 10^7
Engineering notation
1.6391947 × 10^6
Prime Factorization
13 × 11 × 79 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16391947
Product of the distinct prime numbers
The prime factorization of 16391947 is 13 × 11 × 79 × 1451.
Since it has a total of 4 prime factors.
2 , 8 , 22 , 39 , 727 , 658 , 2830 , 1569 , 82045 , 69142 , 954428 , 549166 , 9087761 , 6073464 , 9749075 , 8050830 , 915938394 , 213220905 , 4957567561 , 2959118832
n×2
32783894
n×3
49175841
n×4
65567788
n×5
81959735
n÷2
8195973.5
n÷3
5463982.3333333
n÷3
4097986.75
n÷5
3278389.4
n2
268695926450809
n3
4.4044493854976E+21
n4
7.2197500891259E+28
n5
1.183457608142E+36
2 √n
4048.696950872
3 √n
254.02522637831
4 √n
63.629371762355
5 √n
27.728482863727
1 , 11 , 13 , 79 , 143 , 869 , 1027 , 1451 , 11297 , 15961 , 18863 , 114629 , 207493 , 1260919 , 1490177 , 16391947
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
-16391946
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 16391947 can be divided by 16 positive divisors.
The sum of these divisors (counting 16391947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001111100001011
3
Ternary
1010211210112011
4
Quaternary
332201330023
5
Quinary
13144020242
6
Senary
1343200351
8
Octal
76417413
10
Decimal
16391947
12
Duodecimal
55a60b7
16
Hexadecimal
fa1f0b
20
Vigesimal
528jh7
36
Base36
9rc3v
md5
7522108984528343024ff479e0a816fd
sha1
f004734f947d1c5bf52f0401d0ec5c579e9ba9ca
sha256
efa25db48339e0ec46a435ef25f79c5c45af361d3494ec06ac708f44a1a3667a
sha512
36b8539d4d9f5ea4d2ffcacf1c4c5ae002ce62325d216f755a0711e2f063308a94f679bbf7be897549fdb04dcba0158d6f93f2be7b750e019c0487508fbcf8f3
ripemd-160
ca22e0abd238299617db1baf614a47d6b9da8512
Diameter
32783894
Circumference
102993640.54647
Area
8.4413314858736E+14
Volume
1.844931444345E+22
Surface area
3.3765325943495E+15
Circumference
102993640.54647
Perimeter
65567788
Area
268695926450809
Diagonal
23181713.761101
Surface area
1612175558704854
Volume
4.4044493854976E+21
Space diagonal
28391685.038976
Perimeter
49175841
Area
1.163487490999E+14
Altitude
14195842.519488
Surface area
1.163487490999E+14
Volume
5.1906933797971E+20
Height
7727237.920367