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

72991208 (number)

72991208 is an even 8-digits composite number following 72991207 and preceding 72991209. In scientific notation, it is written as 7.2991208 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 36495600 positive integers (up to 72991208) that are relatively prime to 72991208.

Interesting facts

72991208 has 8 divisors, whose sum is 136858530
The reverse of 72991208 is 80219927
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	seventy-two million nine hundred ninety-one thousand two hundred eight

Notation

Scientific notation	7.2991208 × 10^7
Engineering notation	7.2991208 × 10^6

Prime Factorization of 72991208

Prime Factorization 2 × 2 × 2 × 9123901

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	18247802	Product of the distinct prime numbers

The prime factorization of 72991208 is 2 × 2 × 2 × 9123901. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 43, 48, 908, 306, 1093, 1522, 67969, 4647, 188889, 681072, 8654143, 3783236, 4828145, 17708425, 674046524, 3882845, 8314423446, 7802739335

Basic calculations (n = 72991208)

Multiplication

n×y

n×2	145982416
n×3	218973624
n×4	291964832
n×5	364956040

Division

n÷y

n÷2	36495604
n÷3	24330402.666667
n÷3	18247802
n÷5	14598241.6

Exponentiation

n^y

n²	5327716445299264
n³	3.8887645922386E+23
n⁴	2.8384562521512E+31
n⁵	2.0718235069967E+39

Nth Root

^y√n

²√n	8543.4892169418
³√n	417.91714053973
⁴√n	92.430997056949
⁵√n	37.381275003949

Divisors of 72991208

1, 2, 4, 8, 9123901, 18247802, 36495604, 72991208

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-72991207	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72991208 can be divided by 8 positive divisors. The sum of these divisors (counting 72991208) is 1, the average is 0.125.

Base conversion 72991208

Base	System	Value
2	Binary	100010110011100000111101000
3	Ternary	12002100100010002
4	Quaternary	10112130013220
5	Quinary	122141204313
6	Senary	11124242132
8	Octal	426340750
10	Decimal	72991208
12	Duodecimal	20540348
16	Hexadecimal	459c1e8
20	Vigesimal	12g3i08
36	Base36	17ggdk

Cryptographic Hash Functions

md5	b06df7064d71967dcb5ed24ce71ab2ae
sha1	37287d49cf6314dc15f5f99f1bba99805dad6f22
sha256	9c64eb69f7004bcbc76ab98cee35256bc940ae1036e81ab489d556bb3c551277
sha512	5a1a0d1160e0fbf2c244b69caaca383dd19d0810d5a82a38f243068ccabf459184484db02270498953de36c8579dc0ad7fa63baf778a593e02227721a3a0dfff
ripemd-160	464448e62b8fa0ffb91883eaf506756b6afe9bef

72991208 as geometric shapes

Circle

Radius = n

Diameter	145982416
Circumference	458617285.65889
Area	1.6737514844962E+16

Sphere

Radius = n

Volume	1.6289219032689E+24
Surface area	6.6950059379847E+16
Circumference	458617285.65889

Square

Length = n

Perimeter	291964832
Area	5327716445299264
Diagonal	103225156.2876

Cube

Length = n

Surface area	31966298671795584
Volume	3.8887645922386E+23
Space diagonal	126424480.76183

Equilateral Triangle

Length = n

Perimeter	218973624
Area	2.3069688928946E+15
Altitude	63212240.380914

Triangular Pyramid

Length = n

Surface area	2.3069688928946E+15
Volume	4.5829530226834E+22
Height	34408385.429199