216508721 (number)

216508721 is an odd 9-digits composite number following 216508720 and preceding 216508722. In scientific notation, it is written as 2.16508721 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 181387200 positive integers (up to 216508721) that are relatively prime to 216508721.

Interesting facts

Basic properties

Name

Name two hundred sixteen million five hundred eight thousand seven hundred twenty-one

Notation

Scientific notation 2.16508721 × 10^8
Engineering notation 2.16508721 × 10^6

Prime Factorization of 216508721

Prime Factorization 11 × 13 × 1427 × 1061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 216508721
Product of the distinct prime numbers

The prime factorization of 216508721 is 11 × 13 × 1427 × 1061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 12, 33, 26, 773, 113, 4663, 41745, 48600, 516932, 70215, 8227210, 3343294, 63006747, 17799189, 460470236, 779239778, 3891733881, 9455061439

Basic calculations (n = 216508721)

Multiplication

n×y
n×2 433017442
n×3 649526163
n×4 866034884
n×5 1082543605

Division

n÷y
n÷2 108254360.5
n÷3 72169573.666667
n÷3 54127180.25
n÷5 43301744.2

Exponentiation

ny
n2 46876026269055841
n3 1.0149068493076E+25
n4 2.1973618387772E+33
n5 4.7574800128786E+41

Nth Root

y√n
2√n 14714.235318222
3√n 600.47066865145
4√n 121.30224778718
5√n 46.461698140683

Divisors of 216508721

1, 11, 13, 143, 1061, 1427, 11671, 13793, 15697, 18551, 151723, 204061, 1514047, 16654517, 19682611, 216508721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -216508720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216508721 can be divided by 16 positive divisors. The sum of these divisors (counting 216508721) is 1, the average is 0.0625.

Base conversion 216508721

Base System Value
2 Binary 1100111001111010100100110001
3 Ternary 120002101210010112
4 Quaternary 30321322210301
5 Quinary 420411234341
6 Senary 33252311105
8 Octal 1471724461
10 Decimal 216508721
12 Duodecimal 60612495
16 Hexadecimal ce7a931
20 Vigesimal 37d3bg1
36 Base36 3kwj75

Cryptographic Hash Functions

md5 3dc520803d7b217109141060cbd381c0
sha1 521575e37707c6f39e4c2f5d992fd7b712c9e356
sha256 c2104cf30c1c8104c728c971e97f05495818976754a0b18949555e6656a5b0ea
sha512 c64973ceffdb86dbce43fdd181f21264800d6d2f8255dc910104f129d0f637ba95c1da007033eb181efeb7a21e0b774c2deb5c18d2092b6f02f737ffa9c85bbb
ripemd-160 ad2f6e71e34ab6dccba18b56cd587653831a1b70

216508721 as geometric shapes

Circle

Radius = n
Diameter 433017442
Circumference 1360364414.6634
Area 1.4726537975635E+17

Sphere

Radius = n
Volume 4.2512318691502E+25
Surface area 5.8906151902539E+17
Circumference 1360364414.6634

Square

Length = n
Perimeter 866034884
Area 46876026269055841
Diagonal 306189569.61025

Cube

Length = n
Surface area 281256157614335046
Volume 1.0149068493076E+25
Space diagonal 375004105.05375

Equilateral Triangle

Length = n
Perimeter 649526163
Area 2.0297914788735E+16
Altitude 187502052.52688

Triangular Pyramid

Length = n
Surface area 2.0297914788735E+16
Volume 1.1960791923634E+24
Height 102063189.87008