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

21961381 (number)

21961381 is an odd 8-digits composite number following 21961380 and preceding 21961382. In scientific notation, it is written as 2.1961381 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19568640 positive integers (up to 21961381) that are relatively prime to 21961381.

Interesting facts

21961381 has 8 divisors, whose sum is 22858200
The reverse of 21961381 is 18316912
Previous prime number is 169

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1961381 × 10^7
Engineering notation	2.1961381 × 10^6

Prime Factorization of 21961381

Prime Factorization 29 × 169 × 4481

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21961381	Product of the distinct prime numbers

The prime factorization of 21961381 is 29 × 169 × 4481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 44, 90, 517, 843, 6442, 5889, 64208, 90688, 61824, 716309, 5443697, 7318080, 43255658, 1226749, 334259749, 780726512, 8385126991, 6916630474

Basic calculations (n = 21961381)

Multiplication

n×y

n×2	43922762
n×3	65884143
n×4	87845524
n×5	109806905

Division

n÷y

n÷2	10980690.5
n÷3	7320460.3333333
n÷3	5490345.25
n÷5	4392276.2

Exponentiation

n^y

n²	482302255427161
n³	1.0592023588595E+22
n⁴	2.3261546559013E+29
n⁵	5.1085568663172E+36

Nth Root

^y√n

²√n	4686.2971523368
³√n	280.0398795239
⁴√n	68.456534767229
⁵√n	29.398957423765

Divisors of 21961381

1, 29, 169, 4481, 4901, 129949, 757289, 21961381

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21961380	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21961381 can be divided by 8 positive divisors. The sum of these divisors (counting 21961381) is 1, the average is 0.125.

Base conversion 21961381

Base	System	Value
2	Binary	1010011110001101010100101
3	Ternary	1112022202100111
4	Quaternary	1103301222211
5	Quinary	21110231011
6	Senary	2102413021
8	Octal	123615245
10	Decimal	21961381
12	Duodecimal	7431171
16	Hexadecimal	14f1aa5
20	Vigesimal	6h5391
36	Base36	d2pid

Cryptographic Hash Functions

md5	002208a5affeaffbcb8963ba56c7daf1
sha1	5f667abb91811d1d93413f7a51aeaf5819b90c9f
sha256	378c2ceec08f286bf6059ec8636466f842cd7e602abd857b124852ed1ce430d7
sha512	fe829a98048a75a78d536aa4376d835aa5d2eb47e7130b286ab1189f5d62d9c76b4cca14af2a0e05a71e5b041a74e9c6e7a3087605ced7b5c9091f17cfbef02d
ripemd-160	de81ab85db8013b9dd4e0a56c119700cff32c81b

21961381 as geometric shapes

Circle

Radius = n

Diameter	43922762
Circumference	137987426.42457
Area	1.5151972224598E+15

Sphere

Radius = n

Volume	4.4367764656774E+22
Surface area	6.060788889839E+15
Circumference	137987426.42457

Square

Length = n

Perimeter	87845524
Area	482302255427161
Diagonal	31058082.858643

Cube

Length = n

Surface area	2893813532562966
Volume	1.0592023588595E+22
Space diagonal	38038227.696378

Equilateral Triangle

Length = n

Perimeter	65884143
Area	2.0884300275123E+14
Altitude	19019113.848189

Triangular Pyramid

Length = n

Surface area	2.0884300275123E+14
Volume	1.2482819509973E+21
Height	10352694.286214