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

20121898 (number)

20121898 is an even 8-digits composite number following 20121897 and preceding 20121899. In scientific notation, it is written as 2.0121898 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9815520 positive integers (up to 20121898) that are relatively prime to 20121898.

Interesting facts

20121898 has 8 divisors, whose sum is 30919140
The reverse of 20121898 is 89812102
Previous prime number is 41

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred twenty-one thousand eight hundred ninety-eight

Notation

Scientific notation	2.0121898 × 10^7
Engineering notation	2.0121898 × 10^6

Prime Factorization of 20121898

Prime Factorization 2 × 41 × 245389

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121898	Product of the distinct prime numbers

The prime factorization of 20121898 is 2 × 41 × 245389. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 29, 11, 738, 287, 7537, 3190, 34904, 59526, 30335, 106365, 2281790, 4662528, 66561484, 98090733, 609451301, 120986868, 4450863600, 4049276241

Basic calculations (n = 20121898)

Multiplication

n×y

n×2	40243796
n×3	60365694
n×4	80487592
n×5	100609490

Division

n÷y

n÷2	10060949
n÷3	6707299.3333333
n÷3	5030474.5
n÷5	4024379.6

Exponentiation

n^y

n²	404890779122404
n³	8.1471709586415E+21
n⁴	1.6393654301835E+29
n⁵	3.2987143970878E+36

Nth Root

^y√n

²√n	4485.7438625049
³√n	271.99211518378
⁴√n	66.975696058383
⁵√n	28.889085128

Divisors of 20121898

1, 2, 41, 82, 245389, 490778, 10060949, 20121898

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	-20121897	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 20121898 can be divided by 8 positive divisors. The sum of these divisors (counting 20121898) is 1, the average is 0.125.

Base conversion 20121898

Base	System	Value
2	Binary	1001100110000100100101010
3	Ternary	1101212022001111
4	Quaternary	1030300210222
5	Quinary	20122400043
6	Senary	1555140534
8	Octal	114604452
10	Decimal	20121898
12	Duodecimal	68a474a
16	Hexadecimal	133092a
20	Vigesimal	65f4ei
36	Base36	bza5m

Cryptographic Hash Functions

md5	4f029eae6ddc80906731a157203da3a6
sha1	a931da1d60812025222b91eb640592567ce57377
sha256	b4760682816f5d20269f501bb99fa5212b29322c5aa5405641d64373e7b9f93a
sha512	405c62a66db516fa9490df69a6aa4dc7c2cba1d9609efb54943f23051982d1e8687a2f8980149223694c32fea39f0bffbc881fe0ecdbc4caebbc9e4ca529cd60
ripemd-160	d34c43bb7b1ec8c8ddfb54f380dae5e21db4bebc

20121898 as geometric shapes

Circle

Radius = n

Diameter	40243796
Circumference	126429613.86617
Area	1.2720018971972E+15

Sphere

Radius = n

Volume	3.4126789908278E+22
Surface area	5.0880075887888E+15
Circumference	126429613.86617

Square

Length = n

Perimeter	80487592
Area	404890779122404
Diagonal	28456661.052288

Cube

Length = n

Surface area	2429344674734424
Volume	8.1471709586415E+21
Space diagonal	34852149.680719

Equilateral Triangle

Length = n

Perimeter	60365694
Area	1.7532285023904E+14
Altitude	17426074.840359

Triangular Pyramid

Length = n

Surface area	1.7532285023904E+14
Volume	9.6015330539026E+20
Height	9485553.684096