128525921 (number)

128525921 is an odd 9-digits prime number following 128525920 and preceding 128525922. In scientific notation, it is written as 1.28525921 × 10^8. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 128525920 positive integers (up to 128525921) that are relatively prime to 128525921.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-five thousand nine hundred twenty-one

Notation

Scientific notation 1.28525921 × 10^8
Engineering notation 1.28525921 × 10^6

Prime Factorization of 128525921

Prime Factorization 128525921

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128525921
Product of the distinct prime numbers

The prime factorization of 128525921 is 128525921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 7, 43, 38, 623, 560, 6791, 7465, 18512, 98620, 659140, 872563, 5667169, 2432368, 39585094, 90314570, 288729077, 78735404, 4525512333, 2641180399

Basic calculations (n = 128525921)

Multiplication

n×y
n×2 257051842
n×3 385577763
n×4 514103684
n×5 642629605

Division

n÷y
n÷2 64262960.5
n÷3 42841973.666667
n÷3 32131480.25
n÷5 25705184.2

Exponentiation

ny
n2 16518912368898241
n3 2.1231084261309E+24
n4 2.7287446585134E+32
n5 3.5071442040926E+40

Nth Root

y√n
2√n 11336.9273174
3√n 504.65770484417
4√n 106.4750079474
5√n 41.859895992361

Divisors of 128525921

1, 128525921

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128525922
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64262961
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11336.927361503
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844389
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128525921 can be divided by 2 positive divisors. The sum of these divisors (counting 128525921) is 128525922, the average is 64262961.

Base conversion 128525921

Base System Value
2 Binary 111101010010010011001100001
3 Ternary 22221211210102022
4 Quaternary 13222102121201
5 Quinary 230400312141
6 Senary 20430431225
8 Octal 752223141
10 Decimal 128525921
12 Duodecimal 37062515
16 Hexadecimal 7a92661
20 Vigesimal 2035eg1
36 Base36 24ir8h

Cryptographic Hash Functions

md5 8049d7388050609fb13d9ca949f5db22
sha1 cf47112bfbde70d0de2df3d65b7289c8d161318d
sha256 5682aff56319347c667738954ac0a7169b7c59825174ec408eb1a54ade803108
sha512 02037e436ab379f27203cf326afcab85c04adb7d79bfb0b63e06b36026c09a211bb3fafd4789c5a16f0dda607e245b494f77151c50bd13993efa93c3df662ae8
ripemd-160 3eff7dfa3ff956ba36e0ab74216c9467d1b58990

128525921 as geometric shapes

Circle

Radius = n
Diameter 257051842
Circumference 807552178.41892
Area 5.1895693743424E+16

Sphere

Radius = n
Volume 8.8932557790767E+24
Surface area 2.075827749737E+17
Circumference 807552178.41892

Square

Length = n
Perimeter 514103684
Area 16518912368898241
Diagonal 181763100.59469

Cube

Length = n
Surface area 99113474213389446
Volume 2.1231084261309E+24
Space diagonal 222613425.26158

Equilateral Triangle

Length = n
Perimeter 385577763
Area 7.1528988771774E+15
Altitude 111306712.63079

Triangular Pyramid

Length = n
Surface area 7.1528988771774E+15
Volume 2.5021072755191E+23
Height 60587700.198231