72100021 (number)

72100021 is an odd 8-digits composite number following 72100020 and preceding 72100022. In scientific notation, it is written as 7.2100021 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 60483192 positive integers (up to 72100021) that are relatively prime to 72100021.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred thousand twenty-one

Notation

Scientific notation 7.2100021 × 10^7
Engineering notation 7.2100021 × 10^6

Prime Factorization of 72100021

Prime Factorization 49 × 47 × 31307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72100021
Product of the distinct prime numbers

The prime factorization of 72100021 is 49 × 47 × 31307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72100021)

Multiplication

n×y
n×2 144200042
n×3 216300063
n×4 288400084
n×5 360500105

Division

n÷y
n÷2 36050010.5
n÷3 24033340.333333
n÷3 18025005.25
n÷5 14420004.2

Exponentiation

ny
n2 5198413028200441
n3 3.7480568849993E+23
n4 2.7023498011764E+31
n5 1.9483947741416E+39

Nth Root

y√n
2√n 8491.1731227199
3√n 416.20931627494
4√n 92.14756167539
5√n 37.289544487262

Divisors of 72100021

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 -72100020
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 72100021 can be divided by 8 positive divisors. The sum of these divisors (counting 72100021) is 1, the average is 0.125.

Base conversion 72100021

Base System Value
2 Binary 100010011000010100010110101
3 Ternary 12000200001122011
4 Quaternary 10103002202311
5 Quinary 121424200041
6 Senary 11053204221
8 Octal 423024265
10 Decimal 72100021
12 Duodecimal 20190671
16 Hexadecimal 44c28b5
20 Vigesimal 12aca11
36 Base36 16xcqd

Cryptographic Hash Functions

md5 44107bf8e8b8cb226f20f028ecfad7db
sha1 58373ddb5d8473b60f3b968dd18046d3e0a4463f
sha256 1712600cbf17f446832f4e66e3673fd49ba0007ae564eeb6e0c66645499580a2
sha512 ef822eac1959a66057ecd2dcf93ebd17e3b06422db3664bc7c80a0c62f79026de259c94496184d2b5c2c5f5a16da4ca4ae8117c840b4d8fa6426e414722885ff
ripemd-160 be0fe854ecfdf55a0a2c105f78c017fb0afb5059

72100021 as geometric shapes

Circle

Radius = n
Diameter 144200042
Circumference 453017792.59454
Area 1.633129617972E+16

Sphere

Radius = n
Volume 1.5699823966867E+24
Surface area 6.532518471888E+16
Circumference 453017792.59454

Square

Length = n
Perimeter 288400084
Area 5198413028200441
Diagonal 101964827.54558

Cube

Length = n
Surface area 31190478169202646
Volume 3.7480568849993E+23
Space diagonal 124880899.59878

Equilateral Triangle

Length = n
Perimeter 216300063
Area 2.2509788708928E+15
Altitude 62440449.799392

Triangular Pyramid

Length = n
Surface area 2.2509788708928E+15
Volume 4.4171273994265E+22
Height 33988275.848528