81998946, eighty-one million nine hundred ninety-eight thousand nine hundred forty-six: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

81998946 has 32 divisors, whose sum is 135240000
The reverse of 81998946 is 64989918
Previous prime number is 229

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9

Name

Name	eighty-one million nine hundred ninety-eight thousand nine hundred forty-six

Notation

Scientific notation	8.1998946 × 10^7
Engineering notation	8.1998946 × 10^6

Prime Factorization of 81998946

Prime Factorization 2 × 27 × 19 × 229 × 349

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	81998946	Product of the distinct prime numbers

The prime factorization of 81998946 is 2 × 27 × 19 × 229 × 349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 75, 69, 58, 547, 9317, 3156, 10705, 37906, 390676, 284839, 950366, 8457993, 10181925, 2801235, 990616884, 282170505, 3154846070, 255559656

Basic calculations (n = 81998946)

Multiplication

n×y

n×2	163997892
n×3	245996838
n×4	327995784
n×5	409994730

Division

n÷y

n÷2	40999473
n÷3	27332982
n÷3	20499736.5
n÷5	16399789.2

Exponentiation

n^y

n²	6723827145110916
n³	5.5134673898528E+23
n⁴	4.520985147733E+31
n⁵	3.7071601699576E+39

Nth Root

^y√n

²√n	9055.3269405362
³√n	434.44628715283
⁴√n	95.159481611325
⁵√n	38.261470217926

Divisors of 81998946

1, 2, 19, 27, 38, 54, 229, 349, 458, 513, 698, 1026, 4351, 6183, 6631, 8702, 9423, 12366, 13262, 18846, 79921, 117477, 159842, 179037, 234954, 358074, 1518499, 2157867, 3036998, 4315734, 40999473, 81998946

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81998945	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81998946 can be divided by 32 positive divisors. The sum of these divisors (counting 81998946) is 1, the average is 0.03125.

Base conversion 81998946

Base	System	Value
2	Binary	100111000110011010001100010
3	Ternary	12201021222102000
4	Quaternary	10320303101202
5	Quinary	131442431241
6	Senary	12045304430
8	Octal	470632142
10	Decimal	81998946
12	Duodecimal	23565116
16	Hexadecimal	4e33462
20	Vigesimal	15c9h76
36	Base36	1ctisi

Cryptographic Hash Functions

md5	989e0930aa666b09ac12b3bc14983fae
sha1	bcf6653ceaf22a61f48d95ef5b12475ba83d7be6
sha256	aba920e976d1114802276b5cada5e83f813408a1fdc22a3b0adb7c8cafd8c62f
sha512	c232080f5a053f435a18336023334a2a99810c40e6be88e39bab9f2bbd6dbbc1f127c3380f55c6ebce713d2000a57d8c1ca5f1f234ecf4279c7ec63ce2ab873e
ripemd-160	b22005171717e938c1508730da5a22e696635440

81998946 as geometric shapes

Circle

Radius = n

Diameter	163997892
Circumference	515214572.71141
Area	2.1123525963088E+16

Sphere

Radius = n

Volume	2.3094758197025E+24
Surface area	8.4494103852352E+16
Circumference	515214572.71141

Square

Length = n

Perimeter	327995784
Area	6723827145110916
Diagonal	115964021.5335

Cube

Length = n

Surface area	40342962870665496
Volume	5.5134673898528E+23
Space diagonal	142026340.6391

Equilateral Triangle

Length = n

Perimeter	245996838
Area	2.9115025591607E+15
Altitude	71013170.319548

Triangular Pyramid

Length = n

Surface area	2.9115025591607E+15
Volume	6.4976836320264E+22
Height	38654673.8445