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

20121155 (number)

20121155 is an odd 8-digits composite number following 20121154 and preceding 20121156. In scientific notation, it is written as 2.0121155 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 15396480 positive integers (up to 20121155) that are relatively prime to 20121155.

Interesting facts

20121155 has 8 divisors, whose sum is 20744352
The reverse of 20121155 is 55112102
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0121155 × 10^7
Engineering notation	2.0121155 × 10^6

Prime Factorization of 20121155

Prime Factorization 305 × 37 × 1783

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121155	Product of the distinct prime numbers

The prime factorization of 20121155 is 305 × 37 × 1783. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 53, 55, 842, 226, 3181, 1344, 41451, 11481, 539225, 972074, 4991746, 8671538, 50496478, 29320152, 390195642, 380568502, 4467629230, 2103933961

Basic calculations (n = 20121155)

Multiplication

n×y

n×2	40242310
n×3	60363465
n×4	80484620
n×5	100605775

Division

n÷y

n÷2	10060577.5
n÷3	6707051.6666667
n÷3	5030288.75
n÷5	4024231

Exponentiation

n^y

n²	404860878534025
n³	8.1462684904193E+21
n⁴	1.6391233096734E+29
n⁵	3.2981054178052E+36

Nth Root

^y√n

²√n	4485.6610438151
³√n	271.98876737783
⁴√n	66.975077781329
⁵√n	28.888871779266

Divisors of 20121155

1, 37, 305, 1783, 11285, 65971, 543815, 20121155

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	-20121154	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 20121155 can be divided by 8 positive divisors. The sum of these divisors (counting 20121155) is 1, the average is 0.125.

Base conversion 20121155

Base	System	Value
2	Binary	1001100110000011001000011
3	Ternary	1101212021000222
4	Quaternary	1030300121003
5	Quinary	20122334110
6	Senary	1555133255
8	Octal	114603103
10	Decimal	20121155
12	Duodecimal	68a422b
16	Hexadecimal	1330643
20	Vigesimal	65f2hf
36	Base36	bz9kz

Cryptographic Hash Functions

md5	59c21a9e19d138babcbc37696f52ed95
sha1	d64455a0d6cb81686b52692a25a10b0ece4b30af
sha256	ebaac7d8937d9caa7c528725afc64535dce1edb37c8005220aaa12ca1691d8a7
sha512	597cc6bea7d036da628b2729c56dec34041222940a75cf48464f617ba0bcd257d69f3c9dda23c8a4a7639bdd77dc334240f00b8462af5261209b6b68929088de
ripemd-160	8555648bb3cf25b4ac196edb48fe73f34cff0b8a

20121155 as geometric shapes

Circle

Radius = n

Diameter	40242310
Circumference	126424945.45948
Area	1.2719079617284E+15

Sphere

Radius = n

Volume	3.4123009658228E+22
Surface area	5.0876318469136E+15
Circumference	126424945.45948

Square

Length = n

Perimeter	80484620
Area	404860878534025
Diagonal	28455610.291611

Cube

Length = n

Surface area	2429165271204150
Volume	8.1462684904193E+21
Space diagonal	34850862.766969

Equilateral Triangle

Length = n

Perimeter	60363465
Area	1.7530990290448E+14
Altitude	17425431.383484

Triangular Pyramid

Length = n

Surface area	1.7530990290448E+14
Volume	9.600469484903E+20
Height	9485203.4305371