28907907 (number)

28907907 is an odd 8-digits composite number following 28907906 and preceding 28907908. In scientific notation, it is written as 2.8907907 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 16518792 positive integers (up to 28907907) that are relatively prime to 28907907.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred seven thousand nine hundred seven

Notation

Scientific notation 2.8907907 × 10^7
Engineering notation 2.8907907 × 10^6

Prime Factorization of 28907907

Prime Factorization 21 × 1376567

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28907907
Product of the distinct prime numbers

The prime factorization of 28907907 is 21 × 1376567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28907907)

Multiplication

n×y
n×2 57815814
n×3 86723721
n×4 115631628
n×5 144539535

Division

n÷y
n÷2 14453953.5
n÷3 9635969
n÷3 7226976.75
n÷5 5781581.4

Exponentiation

ny
n2 835667087120649
n3 2.4157386437445E+22
n4 6.9833948049671E+29
n5 2.0187532756627E+37

Nth Root

y√n
2√n 5376.6073875633
3√n 306.90612060868
4√n 73.325352965828
5√n 31.060134338981

Divisors of 28907907

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 -28907906
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 28907907 can be divided by 4 positive divisors. The sum of these divisors (counting 28907907) is 1, the average is 0.25.

Base conversion 28907907

Base System Value
2 Binary 1101110010001100110000011
3 Ternary 2000101200012020
4 Quaternary 1232101212003
5 Quinary 24400023112
6 Senary 2511332523
8 Octal 156214603
10 Decimal 28907907
12 Duodecimal 9821143
16 Hexadecimal 1b91983
20 Vigesimal 90d9f7
36 Base36 h7lhf

Cryptographic Hash Functions

md5 3be46d06e0cde308eb18484b1a7a2ce5
sha1 18a2e9852979258a969847290c7981262d67539a
sha256 6ca77d2c899f7493f130c1dd8a857a6625c0f461054ad5ecf1a64ee89f03ca21
sha512 bf71a2ed3eec719d0bc18544be90e6705d3d72dce8b4287aac6b6ec42c05b5915e315de33f0ff5f557b57a11c0a9d14c7c6ebde3b4c75ad5e508e5c4dcbc6ca9
ripemd-160 f8d55bfb5223936364ad84831ffa70d4d957a2ff

28907907 as geometric shapes

Circle

Radius = n
Diameter 57815814
Circumference 181633736.52371
Area 2.625325581745E+15

Sphere

Radius = n
Volume 1.0119022368241E+23
Surface area 1.050130232698E+16
Circumference 181633736.52371

Square

Length = n
Perimeter 115631628
Area 835667087120649
Diagonal 40881954.13922

Cube

Length = n
Surface area 5014002522723894
Volume 2.4157386437445E+22
Space diagonal 50069963.664476

Equilateral Triangle

Length = n
Perimeter 86723721
Area 3.6185446327651E+14
Altitude 25034981.832238

Triangular Pyramid

Length = n
Surface area 3.6185446327651E+14
Volume 2.8469752942768E+21
Height 13627318.046407