29901981 (number)

29901981 is an odd 8-digits composite number following 29901980 and preceding 29901982. In scientific notation, it is written as 2.9901981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 19934652 positive integers (up to 29901981) that are relatively prime to 29901981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.9901981 × 10^7
Engineering notation 2.9901981 × 10^6

Prime Factorization of 29901981

Prime Factorization 3 × 9967327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 29901981
Product of the distinct prime numbers

The prime factorization of 29901981 is 3 × 9967327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 29901981)

Multiplication

n×y
n×2 59803962
n×3 89705943
n×4 119607924
n×5 149509905

Division

n÷y
n÷2 14950990.5
n÷3 9967327
n÷3 7475495.25
n÷5 5980396.2

Exponentiation

ny
n2 894128467724361
n3 2.6736212453453E+22
n4 7.9946571679511E+29
n5 2.3905608673759E+37

Nth Root

y√n
2√n 5468.2703846829
3√n 310.3844726718
4√n 73.947754426236
5√n 31.270872026129

Divisors of 29901981

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 -29901980
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 29901981 can be divided by 4 positive divisors. The sum of these divisors (counting 29901981) is 1, the average is 0.25.

Base conversion 29901981

Base System Value
2 Binary 1110010000100010010011101
3 Ternary 2002021011210210
4 Quaternary 1302010102131
5 Quinary 30123330411
6 Senary 2544523033
8 Octal 162042235
10 Decimal 29901981
12 Duodecimal a020479
16 Hexadecimal 1c8449d
20 Vigesimal 96hej1
36 Base36 hswil

Cryptographic Hash Functions

md5 cdb94cf799fe7d1286752c27f25f9cf9
sha1 6018dfe69202ccb8eb35f5c843047477437e7f58
sha256 d26a1faf5c87a8c89a4031103b7c58ab9482a925c741dc607f6ba9af3f707fdc
sha512 a3af311b526f57b462130b0251b445706587cac1036e1d90eb02c4e81ab782c721c18b97a2f46489feba988bda0fbd36e937701c510416ffe95827a90fde7d52
ripemd-160 9936e33ef70fc7d9f8e7b3ea426d4ea797d564bd

29901981 as geometric shapes

Circle

Radius = n
Diameter 59803962
Circumference 187879687.67476
Area 2.8089874255684E+15

Sphere

Radius = n
Volume 1.1199238483811E+23
Surface area 1.1235949702273E+16
Circumference 187879687.67476

Square

Length = n
Perimeter 119607924
Area 894128467724361
Diagonal 42287787.072023

Cube

Length = n
Surface area 5364770806346166
Volume 2.6736212453453E+22
Space diagonal 51791750.338959

Equilateral Triangle

Length = n
Perimeter 89705943
Area 3.8716898364808E+14
Altitude 25895875.16948

Triangular Pyramid

Length = n
Surface area 3.8716898364808E+14
Volume 3.1508928548468E+21
Height 14095929.024008