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

16981381 (number)

16981381 is an odd 8-digits composite number following 16981380 and preceding 16981382. In scientific notation, it is written as 1.6981381 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 16867264 positive integers (up to 16981381) that are relatively prime to 16981381.

Interesting facts

16981381 has 4 divisors, whose sum is 17095500
The reverse of 16981381 is 18318961
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	sixteen million nine hundred eighty-one thousand three hundred eighty-one

Notation

Scientific notation	1.6981381 × 10^7
Engineering notation	1.6981381 × 10^6

Prime Factorization of 16981381

Prime Factorization 149 × 113969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	16981381	Product of the distinct prime numbers

The prime factorization of 16981381 is 149 × 113969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 19, 46, 511, 829, 5462, 9142, 78555, 24834, 969399, 620455, 8122351, 8674439, 11919158, 26204905, 336847759, 909940505, 9481355576, 8122094724

Basic calculations (n = 16981381)

Multiplication

n×y

n×2	33962762
n×3	50944143
n×4	67925524
n×5	84906905

Division

n÷y

n÷2	8490690.5
n÷3	5660460.3333333
n÷3	4245345.25
n÷5	3396276.2

Exponentiation

n^y

n²	288367300667161
n³	4.8968750005706E+21
n⁴	8.3155700094065E+28
n⁵	1.4120986256191E+36

Nth Root

^y√n

²√n	4120.8471216487
³√n	257.03425282936
⁴√n	64.193824637956
⁵√n	27.925091268776

Divisors of 16981381

1, 149, 113969, 16981381

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	-16981380	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 16981381 can be divided by 4 positive divisors. The sum of these divisors (counting 16981381) is 1, the average is 0.25.

Base conversion 16981381

Base	System	Value
2	Binary	1000000110001110110000101
3	Ternary	1011221202002001
4	Quaternary	1000301312011
5	Quinary	13321401011
6	Senary	1403545301
8	Octal	100616605
10	Decimal	16981381
12	Duodecimal	582b231
16	Hexadecimal	1031d85
20	Vigesimal	562d91
36	Base36	a3yx1

Cryptographic Hash Functions

md5	cf7b647f82369262a99b748d9b62238f
sha1	3a725df39dab0984f7ae1023cdad732a8f0e103f
sha256	5a03e1e43a077934de9c4bc455e010ae85b53d5d30182676bb602a14f2543357
sha512	2b3c6c8662fc06c4279f522280ed316bf9bc760793b51de8dd48392d4410be9e3951e2358a686a8022e70a376c62a040e68511a6ed6957fdfaace2a8b0d8690d
ripemd-160	d272f5a911c1d92e01f702d4cd5a78c5e7065f6d

16981381 as geometric shapes

Circle

Radius = n

Diameter	33962762
Circumference	106697163.59482
Area	9.0593259331147E+14

Sphere

Radius = n

Volume	2.0511982036454E+22
Surface area	3.6237303732459E+15
Circumference	106697163.59482

Square

Length = n

Perimeter	67925524
Area	288367300667161
Diagonal	24015299.318025

Cube

Length = n

Surface area	1730203804002966
Volume	4.8968750005706E+21
Space diagonal	29412614.674685

Equilateral Triangle

Length = n

Perimeter	50944143
Area	1.2486670399925E+14
Altitude	14706307.337342

Triangular Pyramid

Length = n

Surface area	1.2486670399925E+14
Volume	5.7710225325439E+20
Height	8005099.7726749