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

21991331 (number)

21991331 is an odd 8-digits composite number following 21991330 and preceding 21991332. In scientific notation, it is written as 2.1991331 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21919392 positive integers (up to 21991331) that are relatively prime to 21991331.

Interesting facts

21991331 has 4 divisors, whose sum is 22063272
The reverse of 21991331 is 13319912
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million nine hundred ninety-one thousand three hundred thirty-one

Notation

Scientific notation	2.1991331 × 10^7
Engineering notation	2.1991331 × 10^6

Prime Factorization of 21991331

Prime Factorization 307 × 71633

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21991331	Product of the distinct prime numbers

The prime factorization of 21991331 is 307 × 71633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 12, 13, 594, 455, 447, 8567, 39256, 89320, 695499, 128884, 237757, 8034398, 21277454, 58609571, 130097147, 469189194, 1555504453, 2308219922

Basic calculations (n = 21991331)

Multiplication

n×y

n×2	43982662
n×3	65973993
n×4	87965324
n×5	109956655

Division

n÷y

n÷2	10995665.5
n÷3	7330443.6666667
n÷3	5497832.75
n÷5	4398266.2

Exponentiation

n^y

n²	483618639151561
n³	1.0635417571352E+22
n⁴	2.3388698813481E+29
n⁵	5.1434861726656E+36

Nth Root

^y√n

²√n	4689.4915502643
³√n	280.16712386823
⁴√n	68.479862370366
⁵√n	29.406971663422

Divisors of 21991331

1, 307, 71633, 21991331

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	-21991330	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 21991331 can be divided by 4 positive divisors. The sum of these divisors (counting 21991331) is 1, the average is 0.25.

Base conversion 21991331

Base	System	Value
2	Binary	1010011111000111110100011
3	Ternary	1112101021102202
4	Quaternary	1103320332203
5	Quinary	21112210311
6	Senary	2103203415
8	Octal	123707643
10	Decimal	21991331
12	Duodecimal	744656b
16	Hexadecimal	14f8fa3
20	Vigesimal	6h8i6b
36	Base36	d3cmb

Cryptographic Hash Functions

md5	51e59bed3837beeee643bb82ebfbc191
sha1	b38223d1d3de02263ee3f11551c3b5c3803f7702
sha256	27177720cb57faa4f4d527de3e43146a587c7b21b98e024c3014b7c8fcd7547a
sha512	8cf8a682fc4175bad1f889b6aa56aaece264fea4a4c5e585e90b1b35356165090da3e78cf3d1817092b1001db5da376ae721e0f64173676a48ac7658e21f0868
ripemd-160	4a117e18ec446b9957e29fd74304edcc116054d2

21991331 as geometric shapes

Circle

Radius = n

Diameter	43982662
Circumference	138175607.82452
Area	1.5193327638976E+15

Sphere

Radius = n

Volume	4.454953294669E+22
Surface area	6.0773310555905E+15
Circumference	138175607.82452

Square

Length = n

Perimeter	87965324
Area	483618639151561
Diagonal	31100438.554836

Cube

Length = n

Surface area	2901711834909366
Volume	1.0635417571352E+22
Space diagonal	38090102.618064

Equilateral Triangle

Length = n

Perimeter	65973993
Area	2.0941301362446E+14
Altitude	19045051.309032

Triangular Pyramid

Length = n

Surface area	2.0941301362446E+14
Volume	1.2533959809089E+21
Height	10366812.851612