156721144 is an even 9-digits composite number following 156721143
and preceding 156721145 . In scientific notation, it is written as 1.56721144 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 78308160 positive integers (up to 156721144) that are relatively prime to 156721144.
156721144 has 16 divisors, whose sum is 294048720
The reverse of 156721144 is 441127651
Previous prime number is 1721
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-six million seven hundred twenty-one thousand one hundred forty-four
Scientific notation
1.56721144 × 10^8
Engineering notation
1.56721144 × 10^6
Prime Factorization
2 × 2 × 2 × 1721 × 11383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39180286
Product of the distinct prime numbers
The prime factorization of 156721144 is 2 × 2 × 2 × 1721 × 11383.
Since it has a total of 5 prime factors.
9 , 6 , 90 , 32 , 34 , 796 , 6079 , 7547 , 95271 , 45344 , 348288 , 953350 , 8713149 , 2854739 , 39519218 , 71095947 , 154625947 , 714884935 , 1507292354 , 2884190848
n×2
313442288
n×3
470163432
n×4
626884576
n×5
783605720
n÷2
78360572
n÷3
52240381.333333
n÷3
39180286
n÷5
31344228.8
n2
24561516976668736
n3
3.8493090389589E+24
n4
6.0326811619519E+32
n5
9.4544869308835E+40
2 √n
12518.831574872
3 √n
539.14948874808
4 √n
111.88758454302
5 √n
43.553746460385
1 , 2 , 4 , 8 , 1721 , 3442 , 6884 , 11383 , 13768 , 22766 , 45532 , 91064 , 19590143 , 39180286 , 78360572 , 156721144
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
-156721143
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 156721144 can be divided by 16 positive divisors.
The sum of these divisors (counting 156721144) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010101110101111111111000
3
Ternary
101220220020222211
4
Quaternary
21111311333320
5
Quinary
310110034034
6
Senary
23315024504
8
Octal
1125657770
10
Decimal
156721144
12
Duodecimal
4459b134
16
Hexadecimal
9575ff8
20
Vigesimal
28ja2h4
36
Base36
2lb2t4
md5
b6dacc8b4cc081549b65a677669a89d7
sha1
1400a3268cc428e39b43085fffedbd0d080b9c2a
sha256
2d435e4325817c2cf15e62bdcd63c539392ae73d867ca0fec4114851c8206b51
sha512
b4de45a5a899decede8e4644b3372006dd484fed759d465bdbc083324fd08ae6277e747138081f5c90e56c8391d224bac4da6cfb75c02f6b6085c5ed57e31cf2
ripemd-160
c3085c1438228810f1fd260f80c0f6d1a002473e
Diameter
313442288
Circumference
984707989.30518
Area
7.7162281294923E+16
Volume
1.6123947997587E+25
Surface area
3.0864912517969E+17
Circumference
984707989.30518
Perimeter
626884576
Area
24561516976668736
Diagonal
221637167.35543
Surface area
147369101860012416
Volume
3.8493090389589E+24
Space diagonal
271448984.02832
Perimeter
470163432
Area
1.0635448828639E+16
Altitude
135724492.01416
Surface area
1.0635448828639E+16
Volume
4.5364542072176E+23
Height
73879055.785142