29121981 (number)

29121981 is an odd 8-digits composite number following 29121980 and preceding 29121982. In scientific notation, it is written as 2.9121981 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 16592688 positive integers (up to 29121981) that are relatively prime to 29121981.

Interesting facts

Basic properties

Name

Name twenty-nine million one hundred twenty-one thousand nine hundred eighty-one

Notation

Scientific notation 2.9121981 × 10^7
Engineering notation 2.9121981 × 10^6

Prime Factorization of 29121981

Prime Factorization 3 × 379 × 7 × 3659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 29121981
Product of the distinct prime numbers

The prime factorization of 29121981 is 3 × 379 × 7 × 3659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 1, 16, 417, 87, 675, 7743, 90013, 4228, 477883, 930857, 9426610, 5779391, 59277538, 32366514, 75605487, 104560272, 9508550137, 187951519

Basic calculations (n = 29121981)

Multiplication

n×y
n×2 58243962
n×3 87365943
n×4 116487924
n×5 145609905

Division

n÷y
n÷2 14560990.5
n÷3 9707327
n÷3 7280495.25
n÷5 5824396.2

Exponentiation

ny
n2 848089777364361
n3 2.4698054382699E+22
n4 7.1925627046993E+29
n5 2.0946167442756E+37

Nth Root

y√n
2√n 5396.4785740333
3√n 307.6618435496
4√n 73.460728107154
5√n 31.106001086926

Divisors of 29121981

1, 3, 7, 21, 379, 1137, 2653, 3659, 7959, 10977, 25613, 76839, 1386761, 4160283, 9707327, 29121981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -29121980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 29121981 can be divided by 16 positive divisors. The sum of these divisors (counting 29121981) is 1, the average is 0.0625.

Base conversion 29121981

Base System Value
2 Binary 1101111000101110110111101
3 Ternary 2000210112211220
4 Quaternary 1233011312331
5 Quinary 24423400411
6 Senary 2520103553
8 Octal 157056675
10 Decimal 29121981
12 Duodecimal 9904bb9
16 Hexadecimal 1bc5dbd
20 Vigesimal 9204j1
36 Base36 hc6nx

Cryptographic Hash Functions

md5 1c772203900ae4038a0902a860c96b7b
sha1 6a314860f528e908ff09ad2ec7c400b42afe241b
sha256 a64d7369a1611b9379da07af0d13227353e317bcdaab6633a35f2d5586a2cfb3
sha512 be91ec9e1b89d3d38ecc83d3bc6ff81d258ff7b1d8c314e7835e32deb42fefee0527c4b53f05f713f7ef9aed409394ea195ebe4aedb159e66a0de90c3314fefd
ripemd-160 495aea539f415c72de7c13ef07e6a9fb20ba3678

29121981 as geometric shapes

Circle

Radius = n
Diameter 58243962
Circumference 182978803.13516
Area 2.6643526141525E+15

Sphere

Radius = n
Volume 1.0345496827553E+23
Surface area 1.065741045661E+16
Circumference 182978803.13516

Square

Length = n
Perimeter 116487924
Area 848089777364361
Diagonal 41184700.493372

Cube

Length = n
Surface area 5088538664186166
Volume 2.4698054382699E+22
Space diagonal 50440750.709055

Equilateral Triangle

Length = n
Perimeter 87365943
Area 3.6723364594371E+14
Altitude 25220375.354528

Triangular Pyramid

Length = n
Surface area 3.6723364594371E+14
Volume 2.9106936226868E+21
Height 13728233.497791