72657921 (number)

72657921 is an odd 8-digits composite number following 72657920 and preceding 72657922. In scientific notation, it is written as 7.2657921 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 40933200 positive integers (up to 72657921) that are relatively prime to 72657921.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred fifty-seven thousand nine hundred twenty-one

Notation

Scientific notation 7.2657921 × 10^7
Engineering notation 7.2657921 × 10^6

Prime Factorization of 72657921

Prime Factorization 3 × 7 × 71 × 48731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72657921
Product of the distinct prime numbers

The prime factorization of 72657921 is 3 × 7 × 71 × 48731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 84, 33, 915, 202, 1001, 3213, 72344, 98543, 925275, 639193, 9210666, 5369642, 43519917, 11413177, 92321561, 883044791, 7637736394, 1987214073

Basic calculations (n = 72657921)

Multiplication

n×y
n×2 145315842
n×3 217973763
n×4 290631684
n×5 363289605

Division

n÷y
n÷2 36328960.5
n÷3 24219307
n÷3 18164480.25
n÷5 14531584.2

Exponentiation

ny
n2 5279173484042241
n3 3.8357376994884E+23
n4 2.7869672674615E+31
n5 2.024952475488E+39

Nth Root

y√n
2√n 8523.9615789843
3√n 417.2800825848
4√n 92.325303026767
5√n 37.347074965158

Divisors of 72657921

1, 3, 7, 21, 71, 213, 497, 1491, 48731, 146193, 341117, 1023351, 3459901, 10379703, 24219307, 72657921

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 -72657920
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 72657921 can be divided by 16 positive divisors. The sum of these divisors (counting 72657921) is 1, the average is 0.0625.

Base conversion 72657921

Base System Value
2 Binary 100010101001010110000000001
3 Ternary 12001201101221010
4 Quaternary 10111022300001
5 Quinary 122100023141
6 Senary 11113151133
8 Octal 425126001
10 Decimal 72657921
12 Duodecimal 203bb4a9
16 Hexadecimal 454ac01
20 Vigesimal 12e24g1
36 Base36 179b7l

Cryptographic Hash Functions

md5 c70ab5c3baff06f271f95f7cc1e4c83d
sha1 54f3ba9677439da9bc114be2c616ffae075240e0
sha256 a078c41e0a4c6441a9dc59ececfe9e93e06f2fdde7b19529541ceeeff67dd7ee
sha512 f4b8d38ecf50a00282c6ee3e07fe9f4e21818e9b2ca6accdd726e05599f460a4bd0551ee2a054f749df24d3c2b21d006919cc2605dab9d4e1c678614f22a6bfe
ripemd-160 5d098a0a1daad2d361718d71afa2eac3663ac59e

72657921 as geometric shapes

Circle

Radius = n
Diameter 145315842
Circumference 456523181.67742
Area 1.6585012634493E+16

Sphere

Radius = n
Volume 1.6067100503747E+24
Surface area 6.6340050537973E+16
Circumference 456523181.67742

Square

Length = n
Perimeter 290631684
Area 5279173484042241
Diagonal 102753817.29203

Cube

Length = n
Surface area 31675040904253446
Volume 3.8357376994884E+23
Space diagonal 125847210.74433

Equilateral Triangle

Length = n
Perimeter 217973763
Area 2.2859491740829E+15
Altitude 62923605.372163

Triangular Pyramid

Length = n
Surface area 2.2859491740829E+15
Volume 4.5204602302685E+22
Height 34251272.430678