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

21971421 (number)

21971421 is an odd 8-digits composite number following 21971420 and preceding 21971422. In scientific notation, it is written as 2.1971421 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14647608 positive integers (up to 21971421) that are relatively prime to 21971421.

Interesting facts

21971421 has 6 divisors, whose sum is 31736510
The reverse of 21971421 is 12417912
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million nine hundred seventy-one thousand four hundred twenty-one

Notation

Scientific notation	2.1971421 × 10^7
Engineering notation	2.1971421 × 10^6

Prime Factorization of 21971421

Prime Factorization 3 × 3 × 2441269

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	7323807	Product of the distinct prime numbers

The prime factorization of 21971421 is 3 × 3 × 2441269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 50, 45, 453, 512, 9123, 6483, 2461, 91555, 758386, 489644, 7714709, 2394123, 821458, 41251533, 492764289, 614449045, 2843764454, 2306622770

Basic calculations (n = 21971421)

Multiplication

n×y

n×2	43942842
n×3	65914263
n×4	87885684
n×5	109857105

Division

n÷y

n÷2	10985710.5
n÷3	7323807
n÷3	5492855.25
n÷5	4394284.2

Exponentiation

n^y

n²	482743340759241
n³	1.0606557174768E+22
n⁴	2.3304113304739E+29
n⁵	5.1202448445013E+36

Nth Root

^y√n

²√n	4687.3682381481
³√n	280.08254794023
⁴√n	68.464357428871
⁵√n	29.401644973983

Divisors of 21971421

1, 3, 9, 2441269, 7323807, 21971421

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21971420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21971421 can be divided by 6 positive divisors. The sum of these divisors (counting 21971421) is 1, the average is 0.16666666666667.

Base conversion 21971421

Base	System	Value
2	Binary	1010011110100000111011101
3	Ternary	1112100021010100
4	Quaternary	1103310013131
5	Quinary	21111041141
6	Senary	2102531313
8	Octal	123640735
10	Decimal	21971421
12	Duodecimal	7436b39
16	Hexadecimal	14f41dd
20	Vigesimal	6h68b1
36	Base36	d2x99

Cryptographic Hash Functions

md5	c888766d6d66e6e5b03875aaa2e53fd2
sha1	6214da1c0bc66d8910e6d3f13ab07cbec1206171
sha256	a39e8f12d3e94b1cc7ad72d27bb61b7326f04719224cb07e888345151dd78e49
sha512	30a23f7867f08d1458d16ffdc740733b7af894c6b3a9f7205122c8edcd2c9c9ef152b5dee7c9853e5c033f27ae468c5b215dd7e5e3c683f7a79aebd22d1fcaf7
ripemd-160	90c01604007900459c9cefebd5dc8ba99ca723f8

21971421 as geometric shapes

Circle

Radius = n

Diameter	43942842
Circumference	138050509.60506
Area	1.5165829328986E+15

Sphere

Radius = n

Volume	4.4428642800174E+22
Surface area	6.0663317315945E+15
Circumference	138050509.60506

Square

Length = n

Perimeter	87885684
Area	482743340759241
Diagonal	31072281.562809

Cube

Length = n

Surface area	2896460044555446
Volume	1.0606557174768E+22
Space diagonal	38055617.486486

Equilateral Triangle

Length = n

Perimeter	65914263
Area	2.0903399830264E+14
Altitude	19027808.743243

Triangular Pyramid

Length = n

Surface area	2.0903399830264E+14
Volume	1.2499947505535E+21
Height	10357427.187603