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

28161421 (number)

28161421 is an odd 8-digits prime number following 28161420 and preceding 28161422. In scientific notation, it is written as 2.8161421 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 28161420 positive integers (up to 28161421) that are relatively prime to 28161421.

Interesting facts

28161421 has 2 divisors, whose sum is 28161422
The reverse of 28161421 is 12416182
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-eight million one hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	2.8161421 × 10^7
Engineering notation	2.8161421 × 10^6

Prime Factorization of 28161421

Prime Factorization 28161421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28161421	Product of the distinct prime numbers

The prime factorization of 28161421 is 28161421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 4, 82, 47, 184, 130, 6166, 2587, 11206, 62398, 918105, 182191, 2803639, 2011484, 63667046, 70431343, 386784471, 723577924, 9608306678, 8101026818

Basic calculations (n = 28161421)

Multiplication

n×y

n×2	56322842
n×3	84484263
n×4	112645684
n×5	140807105

Division

n÷y

n÷2	14080710.5
n÷3	9387140.3333333
n÷3	7040355.25
n÷5	5632284.2

Exponentiation

n^y

n²	793065632739241
n³	2.2333855164201E+22
n⁴	6.2895309783209E+29
n⁵	1.7712212977304E+37

Nth Root

^y√n

²√n	5306.7335527611
³√n	304.24131419477
⁴√n	72.847330443614
⁵√n	30.898038716327

Divisors of 28161421

1, 28161421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28161422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14080711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5306.733646981	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999289809	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161421 can be divided by 2 positive divisors. The sum of these divisors (counting 28161421) is 28161422, the average is 14080711.

Base conversion 28161421

Base	System	Value
2	Binary	1101011011011010110001101
3	Ternary	1221222202012121
4	Quaternary	1223123112031
5	Quinary	24202131141
6	Senary	2443332541
8	Octal	153332615
10	Decimal	28161421
12	Duodecimal	9521151
16	Hexadecimal	1adb58d
20	Vigesimal	8g03b1
36	Base36	grlhp

Cryptographic Hash Functions

md5	b877c0c6145309625f170444d975e559
sha1	933d519560fec4445cba257d4a0d60e53d8f36bc
sha256	e9712b896358d170fc595ee758ba089b295af543c6cb8ec0ea97211d9d43d694
sha512	e12357d4ba59bfb9ff1420edae48e7d0e05951ed0b1022a88077e21229747be6eb8d8e8563b6f3b3adde862f399d4f8178e1c928d5288a9c0ae569e26637a17c
ripemd-160	b1b7eb646519efa603a2b4934171597c13561697

28161421 as geometric shapes

Circle

Radius = n

Diameter	56322842
Circumference	176943426.6565
Area	2.4914891656281E+15

Sphere

Radius = n

Volume	9.3551833746924E+22
Surface area	9.9659566625126E+15
Circumference	176943426.6565

Square

Length = n

Perimeter	112645684
Area	793065632739241
Diagonal	39826263.513898

Cube

Length = n

Surface area	4758393796435446
Volume	2.2333855164201E+22
Space diagonal	48777011.985337

Equilateral Triangle

Length = n

Perimeter	84484263
Area	3.4340749241028E+14
Altitude	24388505.992669

Triangular Pyramid

Length = n

Surface area	3.4340749241028E+14
Volume	2.6320700727741E+21
Height	13275421.171299