16156981 is an odd 8-digits composite number following 16156980
and preceding 16156982 . In scientific notation, it is written as 1.6156981 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16147264 positive integers (up to 16156981) that are relatively prime to 16156981.
16156981 has 4 divisors, whose sum is 16166700
The reverse of 16156981 is 18965161
Previous prime number is 2129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million one hundred fifty-six thousand nine hundred eighty-one
Scientific notation
1.6156981 × 10^7
Engineering notation
1.6156981 × 10^6
Prime Factorization
2129 × 7589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16156981
Product of the distinct prime numbers
The prime factorization of 16156981 is 2129 × 7589.
Since it has a total of 2 prime factors.
9 , 6 , 52 , 70 , 563 , 212 , 9710 , 4430 , 81213 , 65083 , 422637 , 14768 , 5211717 , 7917886 , 58607944 , 73373935 , 477127625 , 920478022 , 9595815570 , 5452349585
n×2
32313962
n×3
48470943
n×4
64627924
n×5
80784905
n÷2
8078490.5
n÷3
5385660.3333333
n÷3
4039245.25
n÷5
3231396.2
n2
261048035034361
n3
4.2177481421375E+21
n4
6.8146076595301E+28
n5
1.1010348647748E+36
2 √n
4019.5747287493
3 √n
252.8056280209
4 √n
63.400116157222
5 √n
27.648529802628
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16156980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16156981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16156981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101000100100110101
3
Ternary
1010101212012201
4
Quaternary
331220210311
5
Quinary
13114010411
6
Senary
1334144501
8
Octal
75504465
10
Decimal
16156981
12
Duodecimal
54b2131
16
Hexadecimal
f68935
20
Vigesimal
50jc91
36
Base36
9mat1
md5
52630fadb8e1836c03e6baea936f64fa
sha1
dae3a4a3d029101a539012642d1d1be7cc9d7459
sha256
7be99528f3ee6ed763ca9d827b404cead7c7a62e2a06fe6bf64a694a45c1b89d
sha512
9e48780070666c0525704248a0604effa8b8d627b756276ffd09d5dc2d509606a3e18ec41a8bb267daea82b9c99fab54a305206750dba8e0517b224c30e1897b
ripemd-160
ad172ae4746aee628612bbe56c1829cc47d2c868
Diameter
32313962
Circumference
101517305.62758
Area
8.20106589098E+14
Volume
1.7667262104042E+22
Surface area
3.280426356392E+15
Circumference
101517305.62758
Perimeter
64627924
Area
261048035034361
Diagonal
22849421.657204
Surface area
1566288210206166
Volume
4.2177481421375E+21
Space diagonal
27984711.988925
Perimeter
48470943
Area
1.1303711497388E+14
Altitude
13992355.994463
Surface area
1.1303711497388E+14
Volume
4.970663854404E+20
Height
7616473.8857348