Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

164020981 (number)

164020981 is an odd 9-digits composite number following 164020980 and preceding 164020982. In scientific notation, it is written as 1.64020981 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 147660480 positive integers (up to 164020981) that are relatively prime to 164020981.

Interesting facts

164020981 has 4 divisors, whose sum is 164440864
The reverse of 164020981 is 189020461
Previous prime number is 391

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4

Name

Name	one hundred sixty-four million twenty thousand nine hundred eighty-one

Notation

Scientific notation	1.64020981 × 10^8
Engineering notation	1.64020981 × 10^6

Prime Factorization of 164020981

Prime Factorization 391 × 419491

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	164020981	Product of the distinct prime numbers

The prime factorization of 164020981 is 391 × 419491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 5, 4, 784, 272, 8076, 7041, 83273, 52638, 407570, 799766, 6032531, 651478, 75787163, 61877692, 207658686, 450184205, 4203927505, 1460090935

Basic calculations (n = 164020981)

Multiplication

n×y

n×2	328041962
n×3	492062943
n×4	656083924
n×5	820104905

Division

n÷y

n÷2	82010490.5
n÷3	54673660.333333
n÷3	41005245.25
n÷5	32804196.2

Exponentiation

n^y

n²	26902882208202361
n³	4.4126371315168E+24
n⁴	7.2376507110841E+32
n⁵	1.1871265697674E+41

Nth Root

^y√n

²√n	12807.067619092
³√n	547.39370871556
⁴√n	113.16831543808
⁵√n	43.952125384405

Divisors of 164020981

1, 391, 419491, 164020981

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	-164020980	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 164020981 can be divided by 4 positive divisors. The sum of these divisors (counting 164020981) is 1, the average is 0.25.

Base conversion 164020981

Base	System	Value
2	Binary	1001110001101100001011110101
3	Ternary	102102122010111011
4	Quaternary	21301230023311
5	Quinary	313442132411
6	Senary	24135312221
8	Octal	1161541365
10	Decimal	164020981
12	Duodecimal	46b1b671
16	Hexadecimal	9c6c2f5
20	Vigesimal	2b52c91
36	Base36	2pnjed

Cryptographic Hash Functions

md5	7f71c1d6d3cefdac13b4a9bfa22a73d3
sha1	e4d0da47790ba86d8926b0792c1d83c2eec800a0
sha256	380ff47494992635bfa9611e29d7092ab9374d2797c8e1e63934405460bb4716
sha512	ea5c5c5eea1643da95f8ed06fb9ef30c509653960a8a1c9529b83fc53b32f44c8f30cb12dcd8d83a9e26892aceb29ee5ef375bd87e58872e4badfa3f839ca450
ripemd-160	2afe03ad74a32a9185fa6e0c351aa0df9959e88e

164020981 as geometric shapes

Circle

Radius = n

Diameter	328041962
Circumference	1030574217.8884
Area	8.451789710568E+16

Sphere

Radius = n

Volume	1.8483611193774E+25
Surface area	3.3807158842272E+17
Circumference	1030574217.8884

Square

Length = n

Perimeter	656083924
Area	26902882208202361
Diagonal	231960695.84394

Cube

Length = n

Surface area	161417293249214166
Volume	4.4126371315168E+24
Space diagonal	284092672.59929

Equilateral Triangle

Length = n

Perimeter	492062943
Area	1.1649289713662E+16
Altitude	142046336.29964

Triangular Pyramid

Length = n

Surface area	1.1649289713662E+16
Volume	5.2003427310185E+23
Height	77320231.94798