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

16231981 (number)

16231981 is an odd 8-digits prime number following 16231980 and preceding 16231982. In scientific notation, it is written as 1.6231981 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 16231980 positive integers (up to 16231981) that are relatively prime to 16231981.

Interesting facts

16231981 has 2 divisors, whose sum is 16231982
The reverse of 16231981 is 18913261
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	sixteen million two hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation	1.6231981 × 10^7
Engineering notation	1.6231981 × 10^6

Prime Factorization of 16231981

Prime Factorization 16231981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	16231981	Product of the distinct prime numbers

The prime factorization of 16231981 is 16231981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 2, 29, 69, 713, 402, 1945, 1598, 90466, 9415, 460184, 674041, 5541873, 8771410, 62214742, 34230862, 952417391, 337114553, 8684330258, 2369604502

Basic calculations (n = 16231981)

Multiplication

n×y

n×2	32463962
n×3	48695943
n×4	64927924
n×5	81159905

Division

n÷y

n÷2	8115990.5
n÷3	5410660.3333333
n÷3	4057995.25
n÷5	3246396.2

Exponentiation

n^y

n²	263477207184361
n³	4.2767570209496E+21
n⁴	6.9420238705671E+28
n⁵	1.1268279956859E+36

Nth Root

^y√n

²√n	4028.8932723516
³√n	253.19619520482
⁴√n	63.473563570605
⁵√n	27.674150927344

Divisors of 16231981

1, 16231981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	16231982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	8115991	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4028.8933964552	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998767865	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16231981 can be divided by 2 positive divisors. The sum of these divisors (counting 16231981) is 16231982, the average is 8115991.

Base conversion 16231981

Base	System	Value
2	Binary	111101111010111000101101
3	Ternary	1010112200002111
4	Quaternary	331322320231
5	Quinary	13123410411
6	Senary	1335524021
8	Octal	75727055
10	Decimal	16231981
12	Duodecimal	5529611
16	Hexadecimal	f7ae2d
20	Vigesimal	518jj1
36	Base36	9nwod

Cryptographic Hash Functions

md5	70a05bb6fc78e7d387fa8513df4cd91d
sha1	7486b916675cfab91cbff107cbc968728efd1247
sha256	8105562121986f7697121e22f4a5d2ab0c05138ae3977abfa4561964e95c1bff
sha512	88e40072d5cd985834120b8ae8a64936868537cd4a6476d4f933af6a82140e14ca46196f3fe7b7ee00a0e2e107da39c8a13c0c3ebf47006c5236b53fa91003a9
ripemd-160	34dba0d33ccde2946092253a17b51e713f83bc6e

16231981 as geometric shapes

Circle

Radius = n

Diameter	32463962
Circumference	101988544.52562
Area	8.2773805847874E+14

Sphere

Radius = n

Volume	1.7914437917605E+22
Surface area	3.310952233915E+15
Circumference	101988544.52562

Square

Length = n

Perimeter	64927924
Area	263477207184361
Diagonal	22955487.674382

Cube

Length = n

Surface area	1580863243106166
Volume	4.2767570209496E+21
Space diagonal	28114615.799493

Equilateral Triangle

Length = n

Perimeter	48695943
Area	1.1408897736992E+14
Altitude	14057307.899746

Triangular Pyramid

Length = n

Surface area	1.1408897736992E+14
Volume	5.0402064850011E+20
Height	7651829.2247941