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

20921397 (number)

20921397 is an odd 8-digits composite number following 20921396 and preceding 20921398. In scientific notation, it is written as 2.0921397 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 11955072 positive integers (up to 20921397) that are relatively prime to 20921397.

Interesting facts

20921397 has 8 divisors, whose sum is 31880256
The reverse of 20921397 is 79312902
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty million nine hundred twenty-one thousand three hundred ninety-seven

Notation

Scientific notation	2.0921397 × 10^7
Engineering notation	2.0921397 × 10^6

Prime Factorization of 20921397

Prime Factorization 3 × 7 × 996257

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20921397	Product of the distinct prime numbers

The prime factorization of 20921397 is 3 × 7 × 996257. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 58, 48, 866, 74, 3484, 5635, 1867, 37073, 326834, 788731, 9158226, 580995, 43910157, 8157664, 386882891, 499503590, 1951358735, 418558861

Basic calculations (n = 20921397)

Multiplication

n×y

n×2	41842794
n×3	62764191
n×4	83685588
n×5	104606985

Division

n÷y

n÷2	10460698.5
n÷3	6973799
n÷3	5230349.25
n÷5	4184279.4

Exponentiation

n^y

n²	437704852431609
n³	9.1573969865481E+21
n⁴	1.9158553784218E+29
n⁵	4.0082370966547E+36

Nth Root

^y√n

²√n	4573.9913642245
³√n	275.5477654957
⁴√n	67.631289831146
⁵√n	29.115089946207

Divisors of 20921397

1, 3, 7, 21, 996257, 2988771, 6973799, 20921397

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	-20921396	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 20921397 can be divided by 8 positive divisors. The sum of these divisors (counting 20921397) is 1, the average is 0.125.

Base conversion 20921397

Base	System	Value
2	Binary	1001111110011110000110101
3	Ternary	1110100220202120
4	Quaternary	1033303300311
5	Quinary	20323441042
6	Senary	2024230153
8	Octal	117636065
10	Decimal	20921397
12	Duodecimal	700b359
16	Hexadecimal	13f3c35
20	Vigesimal	6af39h
36	Base36	cgf1x

Cryptographic Hash Functions

md5	cc6b55c746d2c5b6c805b18e768fab71
sha1	276d4c05f820e563548555bd879da5d0dc444020
sha256	e62c590ac5c05599a5055bfd461c44076365d5aaed2be6697a6c5dc61ecc58f2
sha512	0a511a6c16ecb92d1b5507ecf72b0cf0f032efd38273b4e079dfe6c6c695c03a365104761546735b0655c1233768cb76905a932b72ef67f967c13fc58ddc78b0
ripemd-160	579685c80719bd6161ee7a40f5afc7ea0750e3f8

20921397 as geometric shapes

Circle

Radius = n

Diameter	41842794
Circumference	131453014.23607
Area	1.3750903488397E+15

Sphere

Radius = n

Volume	3.8358414798593E+22
Surface area	5.500361395359E+15
Circumference	131453014.23607

Square

Length = n

Perimeter	83685588
Area	437704852431609
Diagonal	29587323.381192

Cube

Length = n

Surface area	2626229114589654
Volume	9.1573969865481E+21
Space diagonal	36236922.569319

Equilateral Triangle

Length = n

Perimeter	62764191
Area	1.8953176078275E+14
Altitude	18118461.28466

Triangular Pyramid

Length = n

Surface area	1.8953176078275E+14
Volume	1.0792095845342E+21
Height	9862441.1270639