28690640 (number)

28690640 is an even 8-digits composite number following 28690639 and preceding 28690641. In scientific notation, it is written as 2.8690640 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 40 positive divisors. There are 10432640 positive integers (up to 28690640) that are relatively prime to 28690640.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety thousand six hundred forty

Notation

Scientific notation 2.8690640 × 10^7
Engineering notation 2.8690640 × 10^6

Prime Factorization of 28690640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 11 × 32603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3586330
Product of the distinct prime numbers

The prime factorization of 28690640 is 2 × 2 × 2 × 2 × 5 × 11 × 32603. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 2, 6, 16, 626, 579, 4738, 9239, 85568, 92092, 599970, 28230, 609664, 9581739, 27881776, 63790958, 728843053, 164543532, 4922869100, 6081736808

Basic calculations (n = 28690640)

Multiplication

n×y
n×2 57381280
n×3 86071920
n×4 114762560
n×5 143453200

Division

n÷y
n÷2 14345320
n÷3 9563546.6666667
n÷3 7172660
n÷5 5738128

Exponentiation

ny
n2 823152823609600
n3 2.3616781327167E+22
n4 6.7758057101646E+29
n5 1.9440220234028E+37

Nth Root

y√n
2√n 5356.3644386841
3√n 306.13530120976
4√n 73.187187667543
5√n 31.013304785086

Divisors of 28690640

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32603, 65206, 130412, 163015, 260824, 326030, 358633, 521648, 652060, 717266, 1304120, 1434532, 1793165, 2608240, 2869064, 3586330, 5738128, 7172660, 14345320, 28690640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28690639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28690640 can be divided by 40 positive divisors. The sum of these divisors (counting 28690640) is 1, the average is 0.025.

Base conversion 28690640

Base System Value
2 Binary 1101101011100100011010000
3 Ternary 1222222122011022
4 Quaternary 1231130203100
5 Quinary 24321100030
6 Senary 2502535012
8 Octal 155344320
10 Decimal 28690640
12 Duodecimal 9737468
16 Hexadecimal 1b5c8d0
20 Vigesimal 8j66c0
36 Base36 h2xu8

Cryptographic Hash Functions

md5 793cac53946ed5f4f3434fa62dd3a3cd
sha1 66a8d7e456b29c8c15bfc6fb009429b0523f11fe
sha256 b1baeb1bf7cb463c735027c508ab15af0a93018679f6fb26e7b785c77f6fc512
sha512 e7430811db0f391a57b94709dca5491db9efc2a3b284a43f55070b2de17183129522953134d613c55eb60d292795461de564870102c3097a54d18c591e6b5916
ripemd-160 fc0fffddeb668475060cedf17cc09ea10f36b8c4

28690640 as geometric shapes

Circle

Radius = n
Diameter 57381280
Circumference 180268607.70158
Area 2.5860108634336E+15

Sphere

Radius = n
Volume 9.8925742291817E+22
Surface area 1.0344043453734E+16
Circumference 180268607.70158

Square

Length = n
Perimeter 114762560
Area 823152823609600
Diagonal 40574692.201164

Cube

Length = n
Surface area 4938916941657600
Volume 2.3616781327167E+22
Space diagonal 49693646.181668

Equilateral Triangle

Length = n
Perimeter 86071920
Area 3.564356282214E+14
Altitude 24846823.090834

Triangular Pyramid

Length = n
Surface area 3.564356282214E+14
Volume 2.7832643710399E+21
Height 13524897.400388