28991377 (number)

28991377 is an odd 8-digits composite number following 28991376 and preceding 28991378. In scientific notation, it is written as 2.8991377 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28609584 positive integers (up to 28991377) that are relatively prime to 28991377.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand three hundred seventy-seven

Notation

Scientific notation 2.8991377 × 10^7
Engineering notation 2.8991377 × 10^6

Prime Factorization of 28991377

Prime Factorization 26671 × 1087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28991377
Product of the distinct prime numbers

The prime factorization of 28991377 is 26671 × 1087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 22, 71, 276, 633, 5354, 163, 12488, 3148, 141163, 783696, 1785704, 3959076, 51005810, 99542293, 40546407, 644636473, 6811616375, 7862163434

Basic calculations (n = 28991377)

Multiplication

n×y
n×2 57982754
n×3 86974131
n×4 115965508
n×5 144956885

Division

n÷y
n÷2 14495688.5
n÷3 9663792.3333333
n÷3 7247844.25
n÷5 5798275.4

Exponentiation

ny
n2 840499940356129
n3 2.4367250639342E+22
n4 7.0644014973866E+29
n5 2.048067270901E+37

Nth Root

y√n
2√n 5384.3641221596
3√n 307.20122829935
4√n 73.378226485516
5√n 31.078050545827

Divisors of 28991377

1, 1087, 26671, 28991377

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 -28991376
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 28991377 can be divided by 4 positive divisors. The sum of these divisors (counting 28991377) is 1, the average is 0.25.

Base conversion 28991377

Base System Value
2 Binary 1101110100101111110010001
3 Ternary 2000112220200201
4 Quaternary 1232211332101
5 Quinary 24410211002
6 Senary 2513215201
8 Octal 156457621
10 Decimal 28991377
12 Duodecimal 9861501
16 Hexadecimal 1ba5f91
20 Vigesimal 913i8h
36 Base36 h9dw1

Cryptographic Hash Functions

md5 ae21cc146ededeb69a3dcb336e77db10
sha1 c3304b470cf6c3b3b92ebae6ca02289119c2097c
sha256 bc2a5675c94e46ea6eed3229e5bd80b2d1105a5d90099f2a5e1f427016a7db1b
sha512 31cbb5ec51a1ebc7939044d378b44e2eb6593cb03ec82874c5d1980480bb506eeb1999a0641f627354efe6ca2e148af30ebf9979c420e9e8879ba63146fb0fbc
ripemd-160 9993456ebe4a75fc434dab52cfb25024b70080a6

28991377 as geometric shapes

Circle

Radius = n
Diameter 57982754
Circumference 182158194.0013
Area 2.6405084379655E+15

Sphere

Radius = n
Volume 1.0206930079565E+23
Surface area 1.0562033751862E+16
Circumference 182158194.0013

Square

Length = n
Perimeter 115965508
Area 840499940356129
Diagonal 40999998.545271

Cube

Length = n
Surface area 5042999642136774
Volume 2.4367250639342E+22
Space diagonal 50214537.945384

Equilateral Triangle

Length = n
Perimeter 86974131
Area 3.6394715011386E+14
Altitude 25107268.972692

Triangular Pyramid

Length = n
Surface area 3.6394715011386E+14
Volume 2.8717080276585E+21
Height 13666666.181757