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

21387934 (number)

21387934 is an even 8-digits composite number following 21387933 and preceding 21387935. In scientific notation, it is written as 2.1387934 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10686816 positive integers (up to 21387934) that are relatively prime to 21387934.

Interesting facts

21387934 has 8 divisors, whose sum is 32103360
The reverse of 21387934 is 43978312
Previous prime number is 5023

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million three hundred eighty-seven thousand nine hundred thirty-four

Notation

Scientific notation	2.1387934 × 10^7
Engineering notation	2.1387934 × 10^6

Prime Factorization of 21387934

Prime Factorization 2 × 5023 × 2129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21387934	Product of the distinct prime numbers

The prime factorization of 21387934 is 2 × 5023 × 2129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 24, 29, 210, 13, 5952, 6854, 999, 2650, 900778, 496895, 4398704, 8239928, 49568429, 36629830, 678304961, 663092143, 4742173449, 4389728641

Basic calculations (n = 21387934)

Multiplication

n×y

n×2	42775868
n×3	64163802
n×4	85551736
n×5	106939670

Division

n÷y

n÷2	10693967
n÷3	7129311.3333333
n÷3	5346983.5
n÷5	4277586.8

Exponentiation

n^y

n²	457443720788356
n³	9.7837761089358E+21
n⁴	2.092547576887E+29
n⁵	4.4755269466318E+36

Nth Root

^y√n

²√n	4624.7090719309
³√n	277.58092058823
⁴√n	68.005213564336
⁵√n	29.243797439493

Divisors of 21387934

1, 2, 2129, 4258, 5023, 10046, 10693967, 21387934

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21387933	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21387934 can be divided by 8 positive divisors. The sum of these divisors (counting 21387934) is 1, the average is 0.125.

Base conversion 21387934

Base	System	Value
2	Binary	1010001100101101010011110
3	Ternary	1111020121201201
4	Quaternary	1101211222132
5	Quinary	20433403214
6	Senary	2042230114
8	Octal	121455236
10	Decimal	21387934
12	Duodecimal	71b533a
16	Hexadecimal	1465a9e
20	Vigesimal	6dd9ge
36	Base36	cqf1a

Cryptographic Hash Functions

md5	e8d82946d5de2db925805e3e31d0171f
sha1	25706e3d1639182ee0637e9ee602d607a8a6d369
sha256	2231770900f329c28730cd87a95d368fcaffb5044605ec2d651c04645b2dcd2e
sha512	edbf2aa16a332ad93dcce043ad2b0aa951e9c3d381c6e7db82273a5443b6b73e2d822a1c3c55caceb00a6b5ca8ecebba33072c2e5c5840c4ee7b7cb2cd979bb6
ripemd-160	6fd0cf3a4fba4dc7e6b75475e51d4456af8c76f1

21387934 as geometric shapes

Circle

Radius = n

Diameter	42775868
Circumference	134384352.65973
Area	1.4371018326595E+15

Sphere

Radius = n

Volume	4.0982185530933E+22
Surface area	5.7484073306379E+15
Circumference	134384352.65973

Square

Length = n

Perimeter	85551736
Area	457443720788356
Diagonal	30247106.333941

Cube

Length = n

Surface area	2744662324730136
Volume	9.7837761089358E+21
Space diagonal	37044988.35693

Equilateral Triangle

Length = n

Perimeter	64163802
Area	1.980789415022E+14
Altitude	18522494.178465

Triangular Pyramid

Length = n

Surface area	1.980789415022E+14
Volume	1.1530290720399E+21
Height	10082368.77798