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

2687989 (number)

2687989 is an odd 7-digits composite number following 2687988 and preceding 2687990. In scientific notation, it is written as 2.687989 × 10^6. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 2475200 positive integers (up to 2687989) that are relatively prime to 2687989.

Interesting facts

2687989 has 12 divisors, whose sum is 2917728
The reverse of 2687989 is 9897862
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 49
Digital Root 4

Name

Name	two million six hundred eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation	2.687989 × 10^6
Engineering notation	2.687989 × 10^6

Prime Factorization of 2687989

Prime Factorization 17 × 17 × 71 × 131

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	158117	Product of the distinct prime numbers

The prime factorization of 2687989 is 17 × 17 × 71 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 14, 74, 526, 805, 6043, 6373, 57130, 73009, 513077, 78284, 2778677, 632143, 64418790, 64369369, 865961036, 19357110, 5639984392, 6857392798

Basic calculations (n = 2687989)

Multiplication

n×y

n×2	5375978
n×3	8063967
n×4	10751956
n×5	13439945

Division

n÷y

n÷2	1343994.5
n÷3	895996.33333333
n÷3	671997.25
n÷5	537597.8

Exponentiation

n^y

n²	7225284864121
n³	1.9421486236624E+19
n⁴	5.2204741367696E+25
n⁵	1.4032577054421E+32

Nth Root

^y√n

²√n	1639.5087678936
³√n	139.04087613105
⁴√n	40.490847952267
⁵√n	19.314590170039

Divisors of 2687989

1, 17, 71, 131, 289, 1207, 2227, 9301, 20519, 37859, 158117, 2687989

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-2687988	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2687989 can be divided by 12 positive divisors. The sum of these divisors (counting 2687989) is 1, the average is 0.083333333333333.

Base conversion 2687989

Base	System	Value
2	Binary	1010010000001111110101
3	Ternary	12001120020011
4	Quaternary	22100033311
5	Quinary	1142003424
6	Senary	133340221
8	Octal	12201765
10	Decimal	2687989
12	Duodecimal	a97671
16	Hexadecimal	2903f5
20	Vigesimal	gfjj9
36	Base36	1lm2d

Cryptographic Hash Functions

md5	c0e8319adb56f12dfa3f6025be4bd9a4
sha1	9e92db58efe5e040051b1763907450f4a27ebc95
sha256	a6e807208185287c002302b36e5d29be2c360fb94f2ae853feba868ec3e79c05
sha512	0a2c49ff32f43e57284ebe54d5a4d1b3786c7733f242695171887ce76fb136885b75d8ef63e0954e0173228e47f4c5885fba645f2e3f065fbe9f9e061ed58093
ripemd-160	006a8505fd4c72e93845a055c26f67342abb66ba

2687989 as geometric shapes

Circle

Radius = n

Diameter	5375978
Circumference	16889132.99066
Area	22698901849216

Sphere

Radius = n

Volume	8.1352531310363E+19
Surface area	90795607396864
Circumference	16889132.99066

Square

Length = n

Perimeter	10751956
Area	7225284864121
Diagonal	3801390.4993097

Cube

Length = n

Surface area	43351709184726
Volume	1.9421486236624E+19
Space diagonal	4655733.5181863

Equilateral Triangle

Length = n

Perimeter	8063967
Area	3128640120954
Altitude	2327866.7590931

Triangular Pyramid

Length = n

Surface area	3128640120954
Volume	2.2888441031063E+18
Height	1267130.1664366