128402457 (number)

128402457 is an odd 9-digits composite number following 128402456 and preceding 128402458. In scientific notation, it is written as 1.28402457 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 85601636 positive integers (up to 128402457) that are relatively prime to 128402457.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred two thousand four hundred fifty-seven

Notation

Scientific notation 1.28402457 × 10^8
Engineering notation 1.28402457 × 10^6

Prime Factorization of 128402457

Prime Factorization 3 × 42800819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128402457
Product of the distinct prime numbers

The prime factorization of 128402457 is 3 × 42800819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128402457)

Multiplication

n×y
n×2 256804914
n×3 385207371
n×4 513609828
n×5 642012285

Division

n÷y
n÷2 64201228.5
n÷3 42800819
n÷3 32100614.25
n÷5 25680491.4

Exponentiation

ny
n2 16487190963636849
n3 2.1169958287592E+24
n4 2.7182746587143E+32
n5 3.4903314497975E+40

Nth Root

y√n
2√n 11331.480794671
3√n 504.49605905816
4√n 106.44942834356
5√n 41.85185064686

Divisors of 128402457

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 -128402456
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 128402457 can be divided by 4 positive divisors. The sum of these divisors (counting 128402457) is 1, the average is 0.25.

Base conversion 128402457

Base System Value
2 Binary 111101001110100010000011001
3 Ternary 22221121112001120
4 Quaternary 13221310100121
5 Quinary 230332334312
6 Senary 20424035453
8 Octal 751642031
10 Decimal 128402457
12 Duodecimal 37002b89
16 Hexadecimal 7a74419
20 Vigesimal 202a62h
36 Base36 24g3yx

Cryptographic Hash Functions

md5 f524dcff176a117b7dc41d465a132ba4
sha1 ca9aad6bdc5bdc39c0e715f5de3a51f045f87b44
sha256 6e96f1ac0ded3de564daedba783a5a602e3bade4eba94f7e76bfa722896b1508
sha512 792487d1207b31a0f02698ac083c0d3917175fa1a4ba53ffcc697a56006855543a7624b6f24537a03e6dcd7e73e265efb4552a7133f704c55117c3b2c3500046
ripemd-160 cec98ff822b77574f08d61f39674b5d24a45b1d3

128402457 as geometric shapes

Circle

Radius = n
Diameter 256804914
Circumference 806776431.22816
Area 5.1796038009694E+16

Sphere

Radius = n
Volume 8.8676513910801E+24
Surface area 2.0718415203877E+17
Circumference 806776431.22816

Square

Length = n
Perimeter 513609828
Area 16487190963636849
Diagonal 181588496.13143

Cube

Length = n
Surface area 98923145781821094
Volume 2.1169958287592E+24
Space diagonal 222399579.34068

Equilateral Triangle

Length = n
Perimeter 385207371
Area 7.1391631057774E+15
Altitude 111199789.67034

Triangular Pyramid

Length = n
Surface area 7.1391631057774E+15
Volume 2.4949035104321E+23
Height 60529498.710476