21107951 (number)

21107951 is an odd 8-digits composite number following 21107950 and preceding 21107952. In scientific notation, it is written as 2.1107951 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20190192 positive integers (up to 21107951) that are relatively prime to 21107951.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred seven thousand nine hundred fifty-one

Notation

Scientific notation 2.1107951 × 10^7
Engineering notation 2.1107951 × 10^6

Prime Factorization of 21107951

Prime Factorization 23 × 917737

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21107951
Product of the distinct prime numbers

The prime factorization of 21107951 is 23 × 917737. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 72, 37, 393, 565, 7976, 3289, 94711, 46936, 539879, 370944, 3188445, 1265255, 34300039, 27928763, 858885551, 618886201, 6436168606, 2362308775

Basic calculations (n = 21107951)

Multiplication

n×y
n×2 42215902
n×3 63323853
n×4 84431804
n×5 105539755

Division

n÷y
n÷2 10553975.5
n÷3 7035983.6666667
n÷3 5276987.75
n÷5 4221590.2

Exponentiation

ny
n2 445545595418401
n3 9.4045545963574E+21
n4 1.9851087759674E+29
n5 4.1901578772789E+36

Nth Root

y√n
2√n 4594.3390166595
3√n 276.3643537405
4√n 67.781553660709
5√n 29.166829000811

Divisors of 21107951

1, 23, 917737, 21107951

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 -21107950
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 21107951 can be divided by 4 positive divisors. The sum of these divisors (counting 21107951) is 1, the average is 0.25.

Base conversion 21107951

Base System Value
2 Binary 1010000100001010011101111
3 Ternary 1110201101122222
4 Quaternary 1100201103233
5 Quinary 20400423301
6 Senary 2032225555
8 Octal 120412357
10 Decimal 21107951
12 Duodecimal 709b2bb
16 Hexadecimal 14214ef
20 Vigesimal 6bi9hb
36 Base36 ckezz

Cryptographic Hash Functions

md5 87e052396f0750b59f95fd6e61712e52
sha1 07363e3f4c78e19b83e04eec8a6f15ebf044c4ad
sha256 1082ea940792ac4be1f767da7e3afe97956d73ef9621789ef65dfe9171a24710
sha512 08b97778f5679a6d36787bc111538ae488abde47a8ed619304737c0aac1b4321c2fc0978e377936c14050971f12980eb653daa3cd27fd56cf99a8b6464ddaf19
ripemd-160 1be2bedd77c185310664aec6356e1623439283d7

21107951 as geometric shapes

Circle

Radius = n
Diameter 42215902
Circumference 132625167.58787
Area 1.3997227694057E+15

Sphere

Radius = n
Volume 3.9393706173601E+22
Surface area 5.598891077623E+15
Circumference 132625167.58787

Square

Length = n
Perimeter 84431804
Area 445545595418401
Diagonal 29851150.578107

Cube

Length = n
Surface area 2673273572510406
Volume 9.4045545963574E+21
Space diagonal 36560043.575674

Equilateral Triangle

Length = n
Perimeter 63323853
Area 1.929269020883E+14
Altitude 18280021.787837

Triangular Pyramid

Length = n
Surface area 1.929269020883E+14
Volume 1.1083373881872E+21
Height 9950383.5260356