16181997 is an odd 8-digits composite number following 16181996
and preceding 16181998 . In scientific notation, it is written as 1.6181997 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 9958128 positive integers (up to 16181997) that are relatively prime to 16181997.
16181997 has 8 divisors, whose sum is 23235744
The reverse of 16181997 is 79918161
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixteen million one hundred eighty-one thousand nine hundred ninety-seven
Scientific notation
1.6181997 × 10^7
Engineering notation
1.6181997 × 10^6
Prime Factorization
3 × 13 × 414923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16181997
Product of the distinct prime numbers
The prime factorization of 16181997 is 3 × 13 × 414923.
Since it has a total of 3 prime factors.
9 , 7 , 74 , 78 , 534 , 173 , 8296 , 6495 , 92548 , 60314 , 895995 , 796181 , 4952499 , 1762213 , 11064990 , 87854042 , 426336228 , 400055669 , 7977130129 , 8393809603
n×2
32363994
n×3
48545991
n×4
64727988
n×5
80909985
n÷2
8090998.5
n÷3
5393999
n÷3
4045499.25
n÷5
3236399.4
n2
261857026908009
n3
4.2373696238543E+21
n4
6.8569102541102E+28
n5
1.1095850116128E+36
2 √n
4022.6852971616
3 √n
252.93603448863
4 √n
63.424642664832
5 √n
27.657086198905
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
-16181996
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 16181997 can be divided by 8 positive divisors.
The sum of these divisors (counting 16181997) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110101011101101
3
Ternary
1010110010112020
4
Quaternary
331232223231
5
Quinary
13120310442
6
Senary
1334500353
8
Octal
75565355
10
Decimal
16181997
12
Duodecimal
55046b9
16
Hexadecimal
f6eaed
20
Vigesimal
512ejh
36
Base36
9mu3x
md5
cf112fa3c53189787213b4abe5f88ef3
sha1
4a8946f610b1403a7bf134faa78b7a6251910283
sha256
99e701a68aac01dc29bb91351c59c150b7bc6c9bd10d3c2729792809173bdbcf
sha512
53b2fee288f931f3e514f31ebda728c06f35b81dcb5af5af6617dde2d8b69f1febdae488a1be96ed37934adec72fb7c4f67e1e3585cffc8c0345d43a339a81cf
ripemd-160
4122972d28a45ca6306f4046dc3fe76e07055518
Diameter
32363994
Circumference
101674485.79122
Area
8.2264811202507E+14
Volume
1.774945237446E+22
Surface area
3.2905924481003E+15
Circumference
101674485.79122
Perimeter
64727988
Area
261857026908009
Diagonal
22884799.623681
Surface area
1571142161448054
Volume
4.2373696238543E+21
Space diagonal
28028040.971927
Perimeter
48545991
Area
1.133874187309E+14
Altitude
14014020.485964
Surface area
1.133874187309E+14
Volume
4.9937879923688E+20
Height
7628266.5412269