191291221 (number)

191291221 is an odd 9-digits composite number following 191291220 and preceding 191291222. In scientific notation, it is written as 1.91291221 × 10^8. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 154586880 positive integers (up to 191291221) that are relatively prime to 191291221.

Interesting facts

Basic properties

Name

Name one hundred ninety-one million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 1.91291221 × 10^8
Engineering notation 1.91291221 × 10^6

Prime Factorization of 191291221

Prime Factorization 37 × 29 × 19 × 11 × 853

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 191291221
Product of the distinct prime numbers

The prime factorization of 191291221 is 37 × 29 × 19 × 11 × 853. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 59, 38, 798, 853, 8768, 4106, 13066, 87245, 88766, 135627, 8936142, 7814895, 69755282, 13051990, 571719057, 942740707, 7775743818, 5015563308

Basic calculations (n = 191291221)

Multiplication

n×y
n×2 382582442
n×3 573873663
n×4 765164884
n×5 956456105

Division

n÷y
n÷2 95645610.5
n÷3 63763740.333333
n÷3 47822805.25
n÷5 38258244.2

Exponentiation

ny
n2 36592331231670841
n3 6.9997917205427E+24
n4 1.3389987049683E+33
n5 2.5613869719081E+41

Nth Root

y√n
2√n 13830.806954043
3√n 576.18906654277
4√n 117.60445125097
5√n 45.325124724443

Divisors of 191291221

1, 11, 19, 29, 37, 209, 319, 407, 551, 703, 853, 1073, 6061, 7733, 9383, 11803, 16207, 20387, 24737, 31561, 178277, 224257, 272107, 347171, 470003, 599659, 915269, 5170033, 6596249, 10067959, 17390111, 191291221

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -191291220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 191291221 can be divided by 32 positive divisors. The sum of these divisors (counting 191291221) is 1, the average is 0.03125.

Base conversion 191291221

Base System Value
2 Binary 1011011001101101111101010101
3 Ternary 111022221121020001
4 Quaternary 23121231331111
5 Quinary 342432304341
6 Senary 30552011301
8 Octal 1331557525
10 Decimal 191291221
12 Duodecimal 54090b31
16 Hexadecimal b66df55
20 Vigesimal 2jfb811
36 Base36 35w191

Cryptographic Hash Functions

md5 57e9ce010cbdafc09c337011d4d2599b
sha1 ff664c9f83bad5ca9d21c45593181d8a35863585
sha256 9ebcda0029692dfef32f4643fd265efa121b34ea31b71ac64c6525009d415e71
sha512 b419053f116b77b2b8c6b73c3b9b85f4589c75ada39e61cb7896db3de667ba0dd19dcc4559f24686336fc2d7aa212f0a0473bd6988df6e48dab4c5b33cc5e047
ripemd-160 9208c5719241d32d3820fba7d3b2ff4f6828306a

191291221 as geometric shapes

Circle

Radius = n
Diameter 382582442
Circumference 1201918189.1796
Area 1.1495819897514E+17

Sphere

Radius = n
Volume 2.9320658994554E+25
Surface area 4.5983279590057E+17
Circumference 1201918189.1796

Square

Length = n
Perimeter 765164884
Area 36592331231670841
Diagonal 270526639.10111

Cube

Length = n
Surface area 219553987390025046
Volume 6.9997917205427E+24
Space diagonal 331326113.81389

Equilateral Triangle

Length = n
Perimeter 573873663
Area 1.5844944215161E+16
Altitude 165663056.90694

Triangular Pyramid

Length = n
Surface area 1.5844944215161E+16
Volume 8.2493336541487E+23
Height 90175546.367036