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

20121955 (number)

20121955 is an odd 8-digits composite number following 20121954 and preceding 20121956. In scientific notation, it is written as 2.0121955 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 13797888 positive integers (up to 20121955) that are relatively prime to 20121955.

Interesting facts

20121955 has 8 divisors, whose sum is 27595872
The reverse of 20121955 is 55912102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million one hundred twenty-one thousand nine hundred fifty-five

Notation

Scientific notation	2.0121955 × 10^7
Engineering notation	2.0121955 × 10^6

Prime Factorization of 20121955

Prime Factorization 5 × 7 × 574913

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121955	Product of the distinct prime numbers

The prime factorization of 20121955 is 5 × 7 × 574913. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 71, 82, 395, 183, 3899, 4027, 31417, 38272, 96593, 826437, 5470631, 9144031, 50576952, 78968550, 2185449, 36164269, 1295552007, 5595588670

Basic calculations (n = 20121955)

Multiplication

n×y

n×2	40243910
n×3	60365865
n×4	80487820
n×5	100609775

Division

n÷y

n÷2	10060977.5
n÷3	6707318.3333333
n÷3	5030488.75
n÷5	4024391

Exponentiation

n^y

n²	404893073022025
n³	8.1472401951609E+21
n⁴	1.6393840058122E+29
n⁵	3.2987611192673E+36

Nth Root

^y√n

²√n	4485.7502159617
³√n	271.99237201071
⁴√n	66.975743489428
⁵√n	28.889101495004

Divisors of 20121955

1, 5, 7, 35, 574913, 2874565, 4024391, 20121955

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	-20121954	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 20121955 can be divided by 8 positive divisors. The sum of these divisors (counting 20121955) is 1, the average is 0.125.

Base conversion 20121955

Base	System	Value
2	Binary	1001100110000100101100011
3	Ternary	1101212022010121
4	Quaternary	1030300211203
5	Quinary	20122400310
6	Senary	1555141111
8	Octal	114604543
10	Decimal	20121955
12	Duodecimal	68a4797
16	Hexadecimal	1330963
20	Vigesimal	65f4hf
36	Base36	bza77

Cryptographic Hash Functions

md5	05d87e9018a188de3ae58da3883c0227
sha1	de2f60e514beca17569b404b4897e6aece7beb3a
sha256	a0be2239425aab5773456dd740f196d40954e03f9425423976ec10b4287f46ca
sha512	74d2f50d355516d803cc2d9d54c8c51c888e3d0bdeb54917a25bbd8668c46326b5cc2391387f3bea077861cf72a1da7779e0f66ab7048d0aa3cb582e2c3ecc9a
ripemd-160	248c4396ef476edd544301503e4799ff2173b512

20121955 as geometric shapes

Circle

Radius = n

Diameter	40243910
Circumference	126429972.00773
Area	1.2720091036954E+15

Sphere

Radius = n

Volume	3.4127079925532E+22
Surface area	5.0880364147816E+15
Circumference	126429972.00773

Square

Length = n

Perimeter	80487820
Area	404893073022025
Diagonal	28456741.662461

Cube

Length = n

Surface area	2429358438132150
Volume	8.1472401951609E+21
Space diagonal	34852248.407615

Equilateral Triangle

Length = n

Perimeter	60365865
Area	1.7532384352671E+14
Altitude	17426124.203807

Triangular Pyramid

Length = n

Surface area	1.7532384352671E+14
Volume	9.6016146499231E+20
Height	9485580.5541537