7121985 (number)

7121985 is an odd 7-digits composite number following 7121984 and preceding 7121986. In scientific notation, it is written as 7.121985 × 10^6. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 3506112 positive integers (up to 7121985) that are relatively prime to 7121985.

Interesting facts

Basic properties

Name

Name seven million one hundred twenty-one thousand nine hundred eighty-five

Notation

Scientific notation 7.121985 × 10^6
Engineering notation 7.121985 × 10^6

Prime Factorization of 7121985

Prime Factorization 15 × 13 × 36523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7121985
Product of the distinct prime numbers

The prime factorization of 7121985 is 15 × 13 × 36523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7121985)

Multiplication

n×y
n×2 14243970
n×3 21365955
n×4 28487940
n×5 35609925

Division

n÷y
n÷2 3560992.5
n÷3 2373995
n÷3 1780496.25
n÷5 1424397

Exponentiation

ny
n2 50722670340225
n3 3.6124609732303E+20
n4 2.5727892864431E+27
n5 1.8323366706209E+34

Nth Root

y√n
2√n 2668.704742005
3√n 192.39791067387
4√n 51.659507759995
5√n 23.47038485179

Divisors of 7121985

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 -7121984
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 7121985 can be divided by 8 positive divisors. The sum of these divisors (counting 7121985) is 1, the average is 0.125.

Base conversion 7121985

Base System Value
2 Binary 11011001010110001000001
3 Ternary 111101211112020
4 Quaternary 123022301001
5 Quinary 3310400420
6 Senary 412352053
8 Octal 33126101
10 Decimal 7121985
12 Duodecimal 2475629
16 Hexadecimal 6cac41
20 Vigesimal 24a4j5
36 Base36 48ncx

Cryptographic Hash Functions

md5 e33a97a995b94af0676eebbc7a2a5a6e
sha1 c092784bcc329e5caeadbf7d20e10e5d0b7f34dd
sha256 58c2a87caa01d2bafd91d962fc5a801bbcb09486504d0f4c8c5ebaab0ba67e6d
sha512 4dff51c194052eac5f71c03dd1376f0dd125b061f38fcf196d528f62c58453fb1a680dd620c50e0f10b4a85152c9c40766803be08555eb46f4b7053520de63c8
ripemd-160 c9a83b18417fd37f8a683bf7071e62e93f5fdfe2

7121985 as geometric shapes

Circle

Radius = n
Diameter 14243970
Circumference 44748751.509953
Area 1.5934996851131E+14

Sphere

Radius = n
Volume 1.513184113984E+21
Surface area 6.3739987404523E+14
Circumference 44748751.509953

Square

Length = n
Perimeter 28487940
Area 50722670340225
Diagonal 10072007.778018

Cube

Length = n
Surface area 304336022041350
Volume 3.6124609732303E+20
Space diagonal 12335639.870743

Equilateral Triangle

Length = n
Perimeter 21365955
Area 21963560531209
Altitude 6167819.9353717

Triangular Pyramid

Length = n
Surface area 21963560531209
Volume 4.2573260849048E+19
Height 3357335.9260059