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

81001037 (number)

81001037 is an odd 8-digits composite number following 81001036 and preceding 81001038. In scientific notation, it is written as 8.1001037 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 74770176 positive integers (up to 81001037) that are relatively prime to 81001037.

Interesting facts

81001037 has 4 divisors, whose sum is 87231900
The reverse of 81001037 is 73010018
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million one thousand thirty-seven

Notation

Scientific notation	8.1001037 × 10^7
Engineering notation	8.1001037 × 10^6

Prime Factorization of 81001037

Prime Factorization 13 × 6230849

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81001037	Product of the distinct prime numbers

The prime factorization of 81001037 is 13 × 6230849. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 64, 93, 296, 803, 4397, 9632, 87624, 23241, 355163, 25698, 3492919, 9062627, 28394620, 42157639, 521942081, 837916094, 965120220, 8742889605

Basic calculations (n = 81001037)

Multiplication

n×y

n×2	162002074
n×3	243003111
n×4	324004148
n×5	405005185

Division

n÷y

n÷2	40500518.5
n÷3	27000345.666667
n÷3	20250259.25
n÷5	16200207.4

Exponentiation

n^y

n²	6561167995075369
n³	5.3146141153232E+23
n⁴	4.3048925459601E+31
n⁵	3.4870076039634E+39

Nth Root

^y√n

²√n	9000.0576109267
³√n	432.6767175199
⁴√n	94.86863344081
⁵√n	38.16788682407

Divisors of 81001037

1, 13, 6230849, 81001037

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81001036	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81001037 can be divided by 4 positive divisors. The sum of these divisors (counting 81001037) is 1, the average is 0.25.

Base conversion 81001037

Base	System	Value
2	Binary	100110100111111101001001101
3	Ternary	12122102021112102
4	Quaternary	10310333221031
5	Quinary	131214013122
6	Senary	12012044445
8	Octal	464775115
10	Decimal	81001037
12	Duodecimal	23163725
16	Hexadecimal	4d3fa4d
20	Vigesimal	15652bh
36	Base36	1c84st

Cryptographic Hash Functions

md5	6bd51239f40ea2ccc08db364b3bea928
sha1	92761730ad0ddb2310a0bc23163db832a2a9ee5c
sha256	d468da23b06df428cb61e27e0e83c9429b1fbec956b219615dd90ad529feb564
sha512	9929079f23f2e98036fdcbd935f96e5b5e0a88580ec75ae1289c3f85053a3f2102599e24ab818468b57698e2c063757858fc8c8b0ea70d98710201bde9afd3cb
ripemd-160	c5e8488d48261bc745d24de37d4482617ddbbed1

81001037 as geometric shapes

Circle

Radius = n

Diameter	162002074
Circumference	508944525.54471
Area	2.0612517172297E+16

Sphere

Radius = n

Volume	2.2261803548485E+24
Surface area	8.2450068689189E+16
Circumference	508944525.54471

Square

Length = n

Perimeter	324004148
Area	6561167995075369
Diagonal	114552765.09168

Cube

Length = n

Surface area	39367007970452214
Volume	5.3146141153232E+23
Space diagonal	140297911.54977

Equilateral Triangle

Length = n

Perimeter	243003111
Area	2.8410690811163E+15
Altitude	70148955.774883

Triangular Pyramid

Length = n

Surface area	2.8410690811163E+15
Volume	6.2633328005579E+22
Height	38184255.030562