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

71201981 (number)

71201981 is an odd 8-digits composite number following 71201980 and preceding 71201982. In scientific notation, it is written as 7.1201981 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 71115264 positive integers (up to 71201981) that are relatively prime to 71201981.

Interesting facts

71201981 has 4 divisors, whose sum is 71288700
The reverse of 71201981 is 18910217
Previous prime number is 829

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	seventy-one million two hundred one thousand nine hundred eighty-one

Notation

Scientific notation	7.1201981 × 10^7
Engineering notation	7.1201981 × 10^6

Prime Factorization of 71201981

Prime Factorization 829 × 85889

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71201981	Product of the distinct prime numbers

The prime factorization of 71201981 is 829 × 85889. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 93, 48, 305, 368, 2401, 1719, 74715, 94124, 691724, 783419, 5708815, 395801, 61152901, 30140327, 926125553, 397922664, 7074059285, 5347829418

Basic calculations (n = 71201981)

Multiplication

n×y

n×2	142403962
n×3	213605943
n×4	284807924
n×5	356009905

Division

n÷y

n÷2	35600990.5
n÷3	23733993.666667
n÷3	17800495.25
n÷5	14240396.2

Exponentiation

n^y

n²	5069722098324361
n³	3.6097425652017E+23
n⁴	2.5702082154238E+31
n⁵	1.8300391652065E+39

Nth Root

^y√n

²√n	8438.1266285829
³√n	414.47406351583
⁴√n	91.859276225011
⁵√n	37.196186396684

Divisors of 71201981

1, 829, 85889, 71201981

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	-71201980	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 71201981 can be divided by 4 positive divisors. The sum of these divisors (counting 71201981) is 1, the average is 0.25.

Base conversion 71201981

Base	System	Value
2	Binary	100001111100111010010111101
3	Ternary	11221222102202102
4	Quaternary	10033213102331
5	Quinary	121211430411
6	Senary	11022034445
8	Octal	417472275
10	Decimal	71201981
12	Duodecimal	1ba18a25
16	Hexadecimal	43e74bd
20	Vigesimal	12504j1
36	Base36	16e3st

Cryptographic Hash Functions

md5	a11fb822b38c82146c394a4d19f943ab
sha1	fca7ab5887fb727b6aa4fbb6844ce60f9f2faa9e
sha256	054003db55401d9a4cc7135d21f256f1d4b6cf991a1cfc2033cd684779397a25
sha512	4ef10895825badd8b7fafe4f08ed8b99081341b0238bcef0b742f1eb96cae6ea6214a813dbd3528450061c8963fd3f2b693e38f522c7121ca660032e04aa24ac
ripemd-160	22671822f47544d351d3d9cbaa0d9d912faf5dc8

71201981 as geometric shapes

Circle

Radius = n

Diameter	142403962
Circumference	447375240.86128
Area	1.5927001699838E+16

Sphere

Radius = n

Volume	1.5120454298917E+24
Surface area	6.3708006799351E+16
Circumference	447375240.86128

Square

Length = n

Perimeter	284807924
Area	5069722098324361
Diagonal	100694807.19803

Cube

Length = n

Surface area	30418332589946166
Volume	3.6097425652017E+23
Space diagonal	123325448.69155

Equilateral Triangle

Length = n

Perimeter	213605943
Area	2.1952540636381E+15
Altitude	61662724.345777

Triangular Pyramid

Length = n

Surface area	2.1952540636381E+15
Volume	4.2541224103198E+22
Height	33564935.732677