129621391 (number)

129621391 is an odd 9-digits composite number following 129621390 and preceding 129621392. In scientific notation, it is written as 1.29621391 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 127772160 positive integers (up to 129621391) that are relatively prime to 129621391.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-one thousand three hundred ninety-one

Notation

Scientific notation 1.29621391 × 10^8
Engineering notation 1.29621391 × 10^6

Prime Factorization of 129621391

Prime Factorization 97 × 263 × 5081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129621391
Product of the distinct prime numbers

The prime factorization of 129621391 is 97 × 263 × 5081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 80, 30, 326, 643, 8799, 2339, 54941, 67942, 427491, 314077, 7779949, 3615443, 49893883, 85351509, 224335950, 918613819, 3613910859, 3618423631

Basic calculations (n = 129621391)

Multiplication

n×y
n×2 259242782
n×3 388864173
n×4 518485564
n×5 648106955

Division

n÷y
n÷2 64810695.5
n÷3 43207130.333333
n÷3 32405347.75
n÷5 25924278.2

Exponentiation

ny
n2 16801705004774881
n3 2.1778603738906E+24
n4 2.8229729106748E+32
n5 3.6591767543698E+40

Nth Root

y√n
2√n 11385.139041751
3√n 506.08744003847
4√n 106.70116701213
5√n 41.93101116556

Divisors of 129621391

1, 97, 263, 5081, 25511, 492857, 1336303, 129621391

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129621390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129621391 can be divided by 8 positive divisors. The sum of these divisors (counting 129621391) is 1, the average is 0.125.

Base conversion 129621391

Base System Value
2 Binary 111101110011101110110001111
3 Ternary 100000220110010021
4 Quaternary 13232131312033
5 Quinary 231140341031
6 Senary 20510123011
8 Octal 756356617
10 Decimal 129621391
12 Duodecimal 374b0467
16 Hexadecimal 7b9dd8f
20 Vigesimal 20a2d9b
36 Base36 2568i7

Cryptographic Hash Functions

md5 86f32150f6bdbc90d7c208a22475fd60
sha1 7b7ffac5fb473e169f62981d59a96caa84ae68cc
sha256 1f1cdcf84aac0d9e6f4427fc699e1417d023c4b3ee7b5d231bdb993598871daf
sha512 8b332f895c30f820d5a44b74e61c796a08dfef2da531d0a00d556a1669e984504db1610b47d176bd379c7dba338798e62aa1ae72a67731cde71017ca9fe040f9
ripemd-160 d2e1b82c739e14b075d6398d21c5045257342216

129621391 as geometric shapes

Circle

Radius = n
Diameter 259242782
Circumference 814435219.42738
Area 5.2784113010784E+16

Sphere

Radius = n
Volume 9.1226002015453E+24
Surface area 2.1113645204313E+17
Circumference 814435219.42738

Square

Length = n
Perimeter 518485564
Area 16801705004774881
Diagonal 183312329.12587

Cube

Length = n
Surface area 100810230028649286
Volume 2.1778603738906E+24
Space diagonal 224510834.95975

Equilateral Triangle

Length = n
Perimeter 388864173
Area 7.2753516805136E+15
Altitude 112255417.47988

Triangular Pyramid

Length = n
Surface area 7.2753516805136E+15
Volume 2.5666330647592E+23
Height 61104109.708622