7642721 (number)

7642721 is an odd 7-digits composite number following 7642720 and preceding 7642722. In scientific notation, it is written as 7.642721 × 10^6. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 7636992 positive integers (up to 7642721) that are relatively prime to 7642721.

Interesting facts

Basic properties

Name

Name seven million six hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 7.642721 × 10^6
Engineering notation 7.642721 × 10^6

Prime Factorization of 7642721

Prime Factorization 2113 × 3617

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7642721
Product of the distinct prime numbers

The prime factorization of 7642721 is 2113 × 3617. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7642721)

Multiplication

n×y
n×2 15285442
n×3 22928163
n×4 30570884
n×5 38213605

Division

n÷y
n÷2 3821360.5
n÷3 2547573.6666667
n÷3 1910680.25
n÷5 1528544.2

Exponentiation

ny
n2 58411184283841
n3 4.4642038476098E+20
n4 3.4118664494408E+27
n5 2.6075943362337E+34

Nth Root

y√n
2√n 2764.5471600246
3√n 196.9772191442
4√n 52.57896119195
5√n 23.80398134079

Divisors of 7642721

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 -7642720
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 7642721 can be divided by 4 positive divisors. The sum of these divisors (counting 7642721) is 1, the average is 0.25.

Base conversion 7642721

Base System Value
2 Binary 11101001001111001100001
3 Ternary 112101021211202
4 Quaternary 131021321201
5 Quinary 3424031341
6 Senary 431450545
8 Octal 35117141
10 Decimal 7642721
12 Duodecimal 2686a55
16 Hexadecimal 749e61
20 Vigesimal 27f6g1
36 Base36 4jt5t

Cryptographic Hash Functions

md5 06b67682f7ec68ade73e74ac8fde9474
sha1 760b58015e29c0e54f29ba296f66e9b16c443749
sha256 8582407b403ea262e187bbe59cabdf1f72336a0c2441bd3a19d9e55af3c9eca4
sha512 a894b6e0627f47f9139028598e1f23e3e1e31c14c69e179e9770eb0923bd040ba5f7a70614571847bcbfe0d17d4c16e83e5c56965ec32a44c98e429f470c0d03
ripemd-160 bc7351b44719b4fdea1a9ff0c73c6412406bded8

7642721 as geometric shapes

Circle

Radius = n
Diameter 15285442
Circumference 48020632.294073
Area 1.8350414743359E+14

Sphere

Radius = n
Volume 1.8699613349038E+21
Surface area 7.3401658973438E+14
Circumference 48020632.294073

Square

Length = n
Perimeter 30570884
Area 58411184283841
Diagonal 10808439.691634

Cube

Length = n
Surface area 350467105703046
Volume 4.4642038476098E+20
Space diagonal 13237581.080074

Equilateral Triangle

Length = n
Perimeter 22928163
Area 25292784727470
Altitude 6618790.5400368

Triangular Pyramid

Length = n
Surface area 25292784727470
Volume 5.26111468874E+19
Height 3602813.2305446