72906021 (number)

72906021 is an odd 8-digits composite number following 72906020 and preceding 72906022. In scientific notation, it is written as 7.2906021 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 42596928 positive integers (up to 72906021) that are relatively prime to 72906021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2906021 × 10^7
Engineering notation 7.2906021 × 10^6

Prime Factorization of 72906021

Prime Factorization 23 × 9 × 3 × 19 × 37 × 167

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 72906021
Product of the distinct prime numbers

The prime factorization of 72906021 is 23 × 9 × 3 × 19 × 37 × 167. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 8, 50, 14, 580, 352, 8227, 7323, 75763, 55668, 499815, 126380, 8016516, 8428509, 29129984, 19154404, 67508207, 962297355, 6834187128, 1297976491

Basic calculations (n = 72906021)

Multiplication

n×y
n×2 145812042
n×3 218718063
n×4 291624084
n×5 364530105

Division

n÷y
n÷2 36453010.5
n÷3 24302007
n÷3 18226505.25
n÷5 14581204.2

Exponentiation

ny
n2 5315287898052441
n3 3.8751649111646E+23
n4 2.8252285439183E+31
n5 2.0597617155271E+39

Nth Root

y√n
2√n 8538.5022691336
3√n 417.7544955342
4√n 92.404016520569
5√n 37.37254549696

Divisors of 72906021

1, 3, 9, 19, 23, 27, 37, 57, 69, 111, 167, 171, 207, 333, 437, 501, 513, 621, 703, 851, 999, 1311, 1503, 2109, 2553, 3173, 3841, 3933, 4509, 6179, 6327, 7659, 9519, 11523, 11799, 16169, 18537, 18981, 22977, 28557, 34569, 48507, 55611, 72979, 85671, 103707, 117401, 142117, 145521, 166833, 218937, 352203, 426351, 436563, 656811, 1056609, 1279053, 1970433, 2700223, 3169827, 3837159, 8100669, 24302007, 72906021

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72906020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72906021 can be divided by 64 positive divisors. The sum of these divisors (counting 72906021) is 1, the average is 0.015625.

Base conversion 72906021

Base System Value
2 Binary 100010110000111010100100101
3 Ternary 12002012000021000
4 Quaternary 10112013110211
5 Quinary 122130443041
6 Senary 11122343513
8 Octal 426072445
10 Decimal 72906021
12 Duodecimal 204bab99
16 Hexadecimal 4587525
20 Vigesimal 12fd511
36 Base36 17emn9

Cryptographic Hash Functions

md5 6fcc1cfa011a6b9a1f09eeb206f5068b
sha1 75ec9f24a7b3b1df0973dbc5571798613da4ca2d
sha256 7bab4bd1c8d52fda7175b2a4f5e8c30bc433d86c82dccca61522559e895105e6
sha512 0681534946c9a7c0bb4072160307d304e8c7e86269241ec08c6842a790c99fd81d8660aac79a9a6f04f17bb1642b5e8780e8bdda89da520663195fa1c9db7e7a
ripemd-160 0352d2328dadd61a2fe737ce35db0a2ae0f07ab9

72906021 as geometric shapes

Circle

Radius = n
Diameter 145812042
Circumference 458082039.95213
Area 1.6698469412236E+16

Sphere

Radius = n
Volume 1.6232252821818E+24
Surface area 6.6793877648945E+16
Circumference 458082039.95213

Square

Length = n
Perimeter 291624084
Area 5315287898052441
Diagonal 103104683.67686

Cube

Length = n
Surface area 31891727388314646
Volume 3.8751649111646E+23
Space diagonal 126276932.54968

Equilateral Triangle

Length = n
Perimeter 218718063
Area 2.3015871740707E+15
Altitude 63138466.274842

Triangular Pyramid

Length = n
Surface area 2.3015871740707E+15
Volume 4.5669256448344E+22
Height 34368227.892286