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

100811981 (number)

100811981 is an odd 9-digits prime number following 100811980 and preceding 100811982. In scientific notation, it is written as 1.00811981 × 10^8. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 100811980 positive integers (up to 100811981) that are relatively prime to 100811981.

Interesting facts

100811981 has 2 divisors, whose sum is 100811982
The reverse of 100811981 is 189118001
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2

Name

Name	one hundred million eight hundred eleven thousand nine hundred eighty-one

Notation

Scientific notation	1.00811981 × 10^8
Engineering notation	1.00811981 × 10^6

Prime Factorization of 100811981

Prime Factorization 100811981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	100811981	Product of the distinct prime numbers

The prime factorization of 100811981 is 100811981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 1, 75, 99, 121, 665, 6333, 7452, 65678, 18358, 800503, 848493, 1046906, 2353508, 35552492, 18505993, 183433329, 908685811, 384373598, 9768416967

Basic calculations (n = 100811981)

Multiplication

n×y

n×2	201623962
n×3	302435943
n×4	403247924
n×5	504059905

Division

n÷y

n÷2	50405990.5
n÷3	33603993.666667
n÷3	25202995.25
n÷5	20162396.2

Exponentiation

n^y

n²	10163055513144361
n³	1.0245577592931E+24
n⁴	1.0328769736325E+32
n⁵	1.0412637384118E+40

Nth Root

^y√n

²√n	10040.516968762
³√n	465.41179230889
⁴√n	100.20238005538
⁵√n	39.875159182437

Divisors of 100811981

1, 100811981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	100811982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	50405991	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	10040.51701856	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999801611	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 100811981 can be divided by 2 positive divisors. The sum of these divisors (counting 100811981) is 100811982, the average is 50405991.

Base conversion 100811981

Base	System	Value
2	Binary	110000000100100010011001101
3	Ternary	21000200210001002
4	Quaternary	12000210103031
5	Quinary	201301440411
6	Senary	14000430045
8	Octal	600442315
10	Decimal	100811981
12	Duodecimal	29918325
16	Hexadecimal	60244cd
20	Vigesimal	1ba19j1
36	Base36	1o0r0t

Cryptographic Hash Functions

md5	be90adea4d130580463794040028a4bb
sha1	da0ba88ab09b8a04039aab7e301c6b181482a596
sha256	cdcaa3a365ede1737cc0d6e618fa2b6fd6a1cd7c449d8282d1206111e88bf574
sha512	5e77eb76ff7a6e9565f36bb3bac6f1c64cc98577ccfe24cd160992d9c7e056d986b99928b92840c701400cb93b50fc08244d8e143313d7a1800ae03865192913
ripemd-160	c5cfc4d6488494c2a66a2f1f2ab01149efe8ef76

100811981 as geometric shapes

Circle

Radius = n

Diameter	201623962
Circumference	633420357.80687
Area	3.192818053812E+16

Sphere

Radius = n

Volume	4.2916575063646E+24
Surface area	1.2771272215248E+17
Circumference	633420357.80687

Square

Length = n

Perimeter	403247924
Area	10163055513144361
Diagonal	142569670.7799

Cube

Length = n

Surface area	60978333078866166
Volume	1.0245577592931E+24
Space diagonal	174611473.10367

Equilateral Triangle

Length = n

Perimeter	302435943
Area	4.4007321272273E+15
Altitude	87305736.551834

Triangular Pyramid

Length = n

Surface area	4.4007321272273E+15
Volume	1.2074528988557E+23
Height	47523223.5933