21000957 (number)

21000957 is an odd 8-digits composite number following 21000956 and preceding 21000958. In scientific notation, it is written as 2.1000957 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13957680 positive integers (up to 21000957) that are relatively prime to 21000957.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred fifty-seven

Notation

Scientific notation 2.1000957 × 10^7
Engineering notation 2.1000957 × 10^6

Prime Factorization of 21000957

Prime Factorization 3 × 331 × 21149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000957
Product of the distinct prime numbers

The prime factorization of 21000957 is 3 × 331 × 21149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000957)

Multiplication

n×y
n×2 42001914
n×3 63002871
n×4 84003828
n×5 105004785

Division

n÷y
n÷2 10500478.5
n÷3 7000319
n÷3 5250239.25
n÷5 4200191.4

Exponentiation

ny
n2 441040194915849
n3 9.2622661686994E+21
n4 1.9451645353141E+29
n5 4.0850316764056E+36

Nth Root

y√n
2√n 4582.6801110267
3√n 275.89660851165
4√n 67.695495500267
5√n 29.137200143268

Divisors of 21000957

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 -21000956
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 21000957 can be divided by 8 positive divisors. The sum of these divisors (counting 21000957) is 1, the average is 0.125.

Base conversion 21000957

Base System Value
2 Binary 1010000000111001011111101
3 Ternary 1110111221220020
4 Quaternary 1100013023331
5 Quinary 20334012312
6 Senary 2030042353
8 Octal 120071375
10 Decimal 21000957
12 Duodecimal 70493b9
16 Hexadecimal 14072fd
20 Vigesimal 6b527h
36 Base36 ci4fx

Cryptographic Hash Functions

md5 67291b14f9f22f15df620d38b0d4b0c1
sha1 79e57c50ae914373000e64d8dbf03d1f05277981
sha256 1a11e42cf5d53576a4bd01f3136fa2ac52855abbe5c75293067e25c10746a842
sha512 c6e2eb20278fc00609c5c2231ab930704cf0d722bfd418cd11ce4029b76592271a25585f6e14f04ca60cc8a3840cda119365ededd538dd0438a40923164a81ae
ripemd-160 42bb1a76aed18c582305590031f901281050fc8d

21000957 as geometric shapes

Circle

Radius = n
Diameter 42001914
Circumference 131952904.45911
Area 1.3855686362854E+15

Sphere

Radius = n
Volume 3.8797689801572E+22
Surface area 5.5422745451418E+15
Circumference 131952904.45911

Square

Length = n
Perimeter 84003828
Area 441040194915849
Diagonal 29699838.212214

Cube

Length = n
Surface area 2646241169495094
Volume 9.2622661686994E+21
Space diagonal 36374724.531569

Equilateral Triangle

Length = n
Perimeter 63002871
Area 1.9097600644358E+14
Altitude 18187362.265785

Triangular Pyramid

Length = n
Surface area 1.9097600644358E+14
Volume 1.0915685361737E+21
Height 9899946.0707381