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

87081221 (number)

87081221 is an odd 8-digits composite number following 87081220 and preceding 87081222. In scientific notation, it is written as 8.7081221 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 85653600 positive integers (up to 87081221) that are relatively prime to 87081221.

Interesting facts

87081221 has 4 divisors, whose sum is 88508844
The reverse of 87081221 is 12218078
Previous prime number is 61

Basic properties

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

Name

Name	eighty-seven million eighty-one thousand two hundred twenty-one

Notation

Scientific notation	8.7081221 × 10^7
Engineering notation	8.7081221 × 10^6

Prime Factorization of 87081221

Prime Factorization 61 × 1427561

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87081221	Product of the distinct prime numbers

The prime factorization of 87081221 is 61 × 1427561. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 62, 83, 242, 868, 1906, 4258, 52136, 26497, 241692, 576409, 8220483, 8013012, 27336953, 92767154, 952355155, 657969058, 7889940905, 9878872515

Basic calculations (n = 87081221)

Multiplication

n×y

n×2	174162442
n×3	261243663
n×4	348324884
n×5	435406105

Division

n÷y

n÷2	43540610.5
n÷3	29027073.666667
n÷3	21770305.25
n÷5	17416244.2

Exponentiation

n^y

n²	7583139050850841
n³	6.6034900756087E+23
n⁴	5.7503997864539E+31
n⁵	5.0075183464254E+39

Nth Root

^y√n

²√n	9331.7319399991
³√n	443.24260974826
⁴√n	96.600889954488
⁵√n	38.724418233328

Divisors of 87081221

1, 61, 1427561, 87081221

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	-87081220	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 87081221 can be divided by 4 positive divisors. The sum of these divisors (counting 87081221) is 1, the average is 0.25.

Base conversion 87081221

Base	System	Value
2	Binary	101001100001100000100000101
3	Ternary	20001212011222102
4	Quaternary	11030030010011
5	Quinary	134243044341
6	Senary	12350241445
8	Octal	514140405
10	Decimal	87081221
12	Duodecimal	251b6285
16	Hexadecimal	530c105
20	Vigesimal	1745311
36	Base36	1fugat

Cryptographic Hash Functions

md5	2b7ec24c59cb1ca7c8a3255936116c5e
sha1	f63b8af5d242689643258d170d1d88bf0d9f69a7
sha256	d56e16345cbbd752c7837c11d06a92e7eab3fd09ad5852042e2b4710fb10f327
sha512	af1138d43f8943bddab851118a0c777c6919bd706e2b5b38158aa15bfb0342dbf7fe984f1d78c915edd2f70f4de111ecf8e8d588d06dc71ba9613fd0866b2938
ripemd-160	b23f499b54abf6e9eb38f67f76beae0ff92f8e48

87081221 as geometric shapes

Circle

Radius = n

Diameter	174162442
Circumference	547147448.31846
Area	2.3823133933303E+16

Sphere

Radius = n

Volume	2.7660634546114E+24
Surface area	9.5292535733212E+16
Circumference	547147448.31846

Square

Length = n

Perimeter	348324884
Area	7583139050850841
Diagonal	123151443.76621

Cube

Length = n

Surface area	45498834305105046
Volume	6.6034900756087E+23
Space diagonal	150829099.15713

Equilateral Triangle

Length = n

Perimeter	261243663
Area	3.2835955292333E+15
Altitude	75414549.578567

Triangular Pyramid

Length = n

Surface area	3.2835955292333E+15
Volume	7.7822876866017E+22
Height	41050481.255403