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

81702021 (number)

81702021 is an odd 8-digits composite number following 81702020 and preceding 81702022. In scientific notation, it is written as 8.1702021 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 52771824 positive integers (up to 81702021) that are relatively prime to 81702021.

Interesting facts

81702021 has 16 divisors, whose sum is 112369664
The reverse of 81702021 is 12020718
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	eighty-one million seven hundred two thousand twenty-one

Notation

Scientific notation	8.1702021 × 10^7
Engineering notation	8.1702021 × 10^6

Prime Factorization of 81702021

Prime Factorization 3 × 127 × 43 × 4987

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81702021	Product of the distinct prime numbers

The prime factorization of 81702021 is 3 × 127 × 43 × 4987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 18, 14, 921, 243, 1554, 9755, 25385, 89450, 832726, 50277, 3850375, 4023851, 53472434, 88367460, 685744066, 742705751, 5115581732, 7440855734

Basic calculations (n = 81702021)

Multiplication

n×y

n×2	163404042
n×3	245106063
n×4	326808084
n×5	408510105

Division

n÷y

n÷2	40851010.5
n÷3	27234007
n÷3	20425505.25
n÷5	16340404.2

Exponentiation

n^y

n²	6675220235484441
n³	5.4537898385917E+23
n⁴	4.4558565192221E+31
n⁵	3.6405248290647E+39

Nth Root

^y√n

²√n	9038.9170258389
³√n	433.9212642177
⁴√n	95.073219288288
⁵√n	38.233720402144

Divisors of 81702021

1, 3, 43, 127, 129, 381, 4987, 5461, 14961, 16383, 214441, 633349, 643323, 1900047, 27234007, 81702021

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	-81702020	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 81702021 can be divided by 16 positive divisors. The sum of these divisors (counting 81702021) is 1, the average is 0.0625.

Base conversion 81702021

Base	System	Value
2	Binary	100110111101010110010000101
3	Ternary	12200201220002210
4	Quaternary	10313222302011
5	Quinary	131403431041
6	Senary	12035054033
8	Octal	467526205
10	Decimal	81702021
12	Duodecimal	23441319
16	Hexadecimal	4deac85
20	Vigesimal	15acf11
36	Base36	1cn5ol

Cryptographic Hash Functions

md5	30f1e874bddf8798963985f601064164
sha1	ece184d0a4e444a4b5ed207a93b1cd5334c4f27a
sha256	468e984673fac8e6add3d979253e3d153ab396963b4f63290bd6a22a74f82d5b
sha512	245ac751968f306398388897f82a4c26a7e0a26f38476f7532c8cab735f1195ad3f3a6767b1663c851e5af79947f11afbcb107678bb239d6f504a525e11bddf0
ripemd-160	e354f2c10668b232b5a8e7a9a99a10d439f08c6a

81702021 as geometric shapes

Circle

Radius = n

Diameter	163404042
Circumference	513348937.91408
Area	2.0970822852892E+16

Sphere

Radius = n

Volume	2.2844781454857E+24
Surface area	8.3883291411567E+16
Circumference	513348937.91408

Square

Length = n

Perimeter	326808084
Area	6675220235484441
Diagonal	115544106.17149

Cube

Length = n

Surface area	40051321412906646
Volume	5.4537898385917E+23
Space diagonal	141512051.45306

Equilateral Triangle

Length = n

Perimeter	245106063
Area	2.8904551498927E+15
Altitude	70756025.72653

Triangular Pyramid

Length = n

Surface area	2.8904551498927E+15
Volume	6.4273529633909E+22
Height	38514702.057164