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

21087977 (number)

21087977 is an odd 8-digits composite number following 21087976 and preceding 21087978. In scientific notation, it is written as 2.1087977 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21019860 positive integers (up to 21087977) that are relatively prime to 21087977.

Interesting facts

21087977 has 4 divisors, whose sum is 21156096
The reverse of 21087977 is 77978012
Previous prime number is 311

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-one million eighty-seven thousand nine hundred seventy-seven

Notation

Scientific notation	2.1087977 × 10^7
Engineering notation	2.1087977 × 10^6

Prime Factorization of 21087977

Prime Factorization 311 × 67807

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21087977	Product of the distinct prime numbers

The prime factorization of 21087977 is 311 × 67807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 44, 96, 724, 668, 32, 3805, 80392, 49202, 953496, 603415, 6497801, 9783413, 86282512, 3728728, 931833263, 56517060, 5986101292, 5382769248

Basic calculations (n = 21087977)

Multiplication

n×y

n×2	42175954
n×3	63263931
n×4	84351908
n×5	105439885

Division

n÷y

n÷2	10543988.5
n÷3	7029325.6666667
n÷3	5271994.25
n÷5	4217595.4

Exponentiation

n^y

n²	444702773952529
n³	9.3778818689471E+21
n⁴	1.9776055716107E+29
n⁵	4.1703700809199E+36

Nth Root

^y√n

²√n	4592.1647400763
³√n	276.27715368175
⁴√n	67.765512910892
⁵√n	29.161306921664

Divisors of 21087977

1, 311, 67807, 21087977

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	-21087976	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 21087977 can be divided by 4 positive divisors. The sum of these divisors (counting 21087977) is 1, the average is 0.25.

Base conversion 21087977

Base	System	Value
2	Binary	1010000011100011011101001
3	Ternary	1110200101021012
4	Quaternary	1100130123221
5	Quinary	20344303402
6	Senary	2031553305
8	Octal	120343351
10	Decimal	21087977
12	Duodecimal	708b835
16	Hexadecimal	141c6e9
20	Vigesimal	6bfjih
36	Base36	cjzl5

Cryptographic Hash Functions

md5	e8605c417de95eae4878e306f6c4cff6
sha1	67a14b11ac8ab2fea326585d5b6dcce91dad3ba9
sha256	845725798aa7fafb703a02db423dd4708a18c13455a7f3ad3b4c102332b1cb2c
sha512	4a40d688a1c13125bf14233442984a2c5009cb36402bf0962f443a7baea8fe3e65b30a848e7d8dfd51e6e28dcaffb72fa6edf3c73ad936bac034ff01c324a73b
ripemd-160	91acde22b9f614ca87dab05c3f68e759a5789186

21087977 as geometric shapes

Circle

Radius = n

Diameter	42175954
Circumference	132499667.24454
Area	1.3970749676803E+15

Sphere

Radius = n

Volume	3.928197971429E+22
Surface area	5.5882998707211E+15
Circumference	132499667.24454

Square

Length = n

Perimeter	84351908
Area	444702773952529
Diagonal	29822903.076412

Cube

Length = n

Surface area	2668216643715174
Volume	9.3778818689471E+21
Space diagonal	36525447.592844

Equilateral Triangle

Length = n

Perimeter	63263931
Area	1.9256194968815E+14
Altitude	18262723.796422

Triangular Pyramid

Length = n

Surface area	1.9256194968815E+14
Volume	1.1051939771165E+21
Height	9940967.6921373