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

72637981 (number)

72637981 is an odd 8-digits composite number following 72637980 and preceding 72637982. In scientific notation, it is written as 7.2637981 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 67050432 positive integers (up to 72637981) that are relatively prime to 72637981.

Interesting facts

72637981 has 4 divisors, whose sum is 78225532
The reverse of 72637981 is 18973627
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	seventy-two million six hundred thirty-seven thousand nine hundred eighty-one

Notation

Scientific notation	7.2637981 × 10^7
Engineering notation	7.2637981 × 10^6

Prime Factorization of 72637981

Prime Factorization 13 × 5587537

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72637981	Product of the distinct prime numbers

The prime factorization of 72637981 is 13 × 5587537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 71, 39, 184, 495, 7264, 8789, 86029, 39630, 158982, 551515, 3088794, 254218, 9554328, 69580818, 920249357, 344989741, 1072205370, 7518292974

Basic calculations (n = 72637981)

Multiplication

n×y

n×2	145275962
n×3	217913943
n×4	290551924
n×5	363189905

Division

n÷y

n÷2	36318990.5
n÷3	24212660.333333
n÷3	18159495.25
n÷5	14527596.2

Exponentiation

n^y

n²	5276276283756361
n³	3.8325805645025E+23
n⁴	2.783909142253E+31
n⁵	2.022175393807E+39

Nth Root

^y√n

²√n	8522.7918547856
³√n	417.24190676949
⁴√n	92.318968011918
⁵√n	37.345024858501

Divisors of 72637981

1, 13, 5587537, 72637981

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	-72637980	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 72637981 can be divided by 4 positive divisors. The sum of these divisors (counting 72637981) is 1, the average is 0.25.

Base conversion 72637981

Base	System	Value
2	Binary	100010101000101111000011101
3	Ternary	12001200101120121
4	Quaternary	10111011320131
5	Quinary	122043403411
6	Senary	11112514541
8	Octal	425057035
10	Decimal	72637981
12	Duodecimal	203aba51
16	Hexadecimal	4545e1d
20	Vigesimal	12djej1
36	Base36	178vtp

Cryptographic Hash Functions

md5	120b54cb824ccbd5d48fbe2271ff1a69
sha1	168133ac598d0c907e044fe749637c605856b2e6
sha256	df845bdcee8951fb1676a45974fabd89c25b1dd2c3e8a2ba4d43c20ccadbd3f4
sha512	a73bef7ea81147d9033e20e66e103d3a554217192eb7f153a771c6c2c14de168eab0daac81325fa3a42977222f1865e066154591c1df11902e8b5b9492b54ef3
ripemd-160	10a875246d314b2d60d81de470baedf65e92ca56

72637981 as geometric shapes

Circle

Radius = n

Diameter	145275962
Circumference	456397894.96239
Area	1.6575910811359E+16

Sphere

Radius = n

Volume	1.6053875927643E+24
Surface area	6.6303643245436E+16
Circumference	456397894.96239

Square

Length = n

Perimeter	290551924
Area	5276276283756361
Diagonal	102725617.8736

Cube

Length = n

Surface area	31657657702538166
Volume	3.8325805645025E+23
Space diagonal	125812673.65122

Equilateral Triangle

Length = n

Perimeter	217913943
Area	2.2846946495592E+15
Altitude	62906336.825611

Triangular Pyramid

Length = n

Surface area	2.2846946495592E+15
Volume	4.5167395110058E+22
Height	34241872.624533