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

20109981 (number)

20109981 is an odd 8-digits composite number following 20109980 and preceding 20109982. In scientific notation, it is written as 2.0109981 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12475584 positive integers (up to 20109981) that are relatively prime to 20109981.

Interesting facts

20109981 has 16 divisors, whose sum is 28738944
The reverse of 20109981 is 18990102
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred nine thousand nine hundred eighty-one

Notation

Scientific notation	2.0109981 × 10^7
Engineering notation	2.0109981 × 10^6

Prime Factorization of 20109981

Prime Factorization 3 × 23 × 37 × 7877

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20109981	Product of the distinct prime numbers

The prime factorization of 20109981 is 3 × 23 × 37 × 7877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 86, 7, 250, 914, 6835, 1329, 44819, 85681, 281671, 917974, 5307360, 260660, 13543865, 38815364, 460836374, 823185009, 1494614289, 1964058512

Basic calculations (n = 20109981)

Multiplication

n×y

n×2	40219962
n×3	60329943
n×4	80439924
n×5	100549905

Division

n÷y

n÷2	10054990.5
n÷3	6703327
n÷3	5027495.25
n÷5	4021996.2

Exponentiation

n^y

n²	404411335820361
n³	8.1327042795321E+21
n⁴	1.6354852854001E+29
n⁵	3.2889578015175E+36

Nth Root

^y√n

²√n	4484.4153465084
³√n	271.93840967797
⁴√n	66.965777427791
⁵√n	28.885662460685

Divisors of 20109981

1, 3, 23, 37, 69, 111, 851, 2553, 7877, 23631, 181171, 291449, 543513, 874347, 6703327, 20109981

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20109980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20109981 can be divided by 16 positive divisors. The sum of these divisors (counting 20109981) is 1, the average is 0.0625.

Base conversion 20109981

Base	System	Value
2	Binary	1001100101101101010011101
3	Ternary	1101211200201010
4	Quaternary	1030231222131
5	Quinary	20122004411
6	Senary	1555005433
8	Octal	114555235
10	Decimal	20109981
12	Duodecimal	6899879
16	Hexadecimal	132da9d
20	Vigesimal	65dej1
36	Base36	bz0yl

Cryptographic Hash Functions

md5	6f7b1cb153572bdcd92f132965c0c390
sha1	cc761e9466ca272c99522d95278e5fbe4e3e1ce0
sha256	7421d1186f3102e63203f42899d1aef62978cde86a04611e29b3db3a28113fc2
sha512	5c306c9841de7e79f474d34140f721de1a9eac88a851b68d3694a6d246449684d505a2a7675872d3cb7e6e99ad3b3c4543a4be60ad8a49232bb4199098f39d33
ripemd-160	24f953738d8d739b933b367375a0eca3ef373c3b

20109981 as geometric shapes

Circle

Radius = n

Diameter	40219962
Circumference	126354737.14686
Area	1.2704956816417E+15

Sphere

Radius = n

Volume	3.4066192024528E+22
Surface area	5.0819827265667E+15
Circumference	126354737.14686

Square

Length = n

Perimeter	80439924
Area	404411335820361
Diagonal	28439807.869265

Cube

Length = n

Surface area	2426468014922166
Volume	8.1327042795321E+21
Space diagonal	34831508.831245

Equilateral Triangle

Length = n

Perimeter	60329943
Area	1.7511524519942E+14
Altitude	17415754.415622

Triangular Pyramid

Length = n

Surface area	1.7511524519942E+14
Volume	9.58448390907E+20
Height	9479935.9564218