6981921 (number)

6981921 is an odd 7-digits composite number following 6981920 and preceding 6981922. In scientific notation, it is written as 6.981921 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 4642560 positive integers (up to 6981921) that are relatively prime to 6981921.

Interesting facts

Basic properties

Name

Name six million nine hundred eighty-one thousand nine hundred twenty-one

Notation

Scientific notation 6.981921 × 10^6
Engineering notation 6.981921 × 10^6

Prime Factorization of 6981921

Prime Factorization 9 × 521 × 1489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6981921
Product of the distinct prime numbers

The prime factorization of 6981921 is 9 × 521 × 1489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6981921)

Multiplication

n×y
n×2 13963842
n×3 20945763
n×4 27927684
n×5 34909605

Division

n÷y
n÷2 3490960.5
n÷3 2327307
n÷3 1745480.25
n÷5 1396384.2

Exponentiation

ny
n2 48747220850241
n3 3.4034924494594E+20
n4 2.3762915406222E+27
n5 1.6591079809592E+34

Nth Root

y√n
2√n 2642.3324923257
3√n 191.12829113878
4√n 51.403623338493
5√n 23.377334231372

Divisors of 6981921

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 -6981920
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 6981921 can be divided by 8 positive divisors. The sum of these divisors (counting 6981921) is 1, the average is 0.125.

Base conversion 6981921

Base System Value
2 Binary 11010101000100100100001
3 Ternary 111010201101200
4 Quaternary 122220210201
5 Quinary 3241410141
6 Senary 405351413
8 Octal 32504441
10 Decimal 6981921
12 Duodecimal 2408569
16 Hexadecimal 6a8921
20 Vigesimal 23ceg1
36 Base36 45na9

Cryptographic Hash Functions

md5 1046fe499404d4a3aa2a37ed1ccf7c91
sha1 6b273dcba721c861b8aeaf9eb742ec6145a3bfc0
sha256 8a90a19aafadbb08ef136d905109b786cb07e13d889ca56dbc87a042e2457cfb
sha512 09bd19e92588e207ef73ed6490a03a85a4c718584cbe3fc267d475ae6f4fd4ec099d8b93180d7d0075ce0f2ae90f4b45f0ea7099e5d34e1471076a4da4f946a3
ripemd-160 0a4960ce314961673539bab0cb5fdc5c468f8315

6981921 as geometric shapes

Circle

Radius = n
Diameter 13963842
Circumference 43868703.443089
Area 1.5314391090604E+14

Sphere

Radius = n
Volume 1.425651583436E+21
Surface area 6.1257564362415E+14
Circumference 43868703.443089

Square

Length = n
Perimeter 27927684
Area 48747220850241
Diagonal 9873927.3696175

Cube

Length = n
Surface area 292483325101446
Volume 3.4034924494594E+20
Space diagonal 12093041.906432

Equilateral Triangle

Length = n
Perimeter 20945763
Area 21108165810100
Altitude 6046520.9532161

Triangular Pyramid

Length = n
Surface area 21108165810100
Volume 4.0110543178832E+19
Height 3291309.1232058