129621907 (number)

129621907 is an odd 9-digits composite number following 129621906 and preceding 129621908. In scientific notation, it is written as 1.29621907 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 129596760 positive integers (up to 129621907) that are relatively prime to 129621907.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-one thousand nine hundred seven

Notation

Scientific notation 1.29621907 × 10^8
Engineering notation 1.29621907 × 10^6

Prime Factorization of 129621907

Prime Factorization 17911 × 7237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129621907
Product of the distinct prime numbers

The prime factorization of 129621907 is 17911 × 7237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129621907)

Multiplication

n×y
n×2 259243814
n×3 388865721
n×4 518487628
n×5 648109535

Division

n÷y
n÷2 64810953.5
n÷3 43207302.333333
n÷3 32405476.75
n÷5 25924381.4

Exponentiation

ny
n2 16801838774316649
n3 2.1778863830335E+24
n4 2.8230178619813E+32
n5 3.6592495876508E+40

Nth Root

y√n
2√n 11385.161702848
3√n 506.08811158599
4√n 106.70127320163
5√n 41.931044549506

Divisors of 129621907

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 -129621906
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 129621907 can be divided by 4 positive divisors. The sum of these divisors (counting 129621907) is 1, the average is 0.25.

Base conversion 129621907

Base System Value
2 Binary 111101110011101111110010011
3 Ternary 100000220110211101
4 Quaternary 13232131332103
5 Quinary 231140400112
6 Senary 20510125231
8 Octal 756357623
10 Decimal 129621907
12 Duodecimal 374b0817
16 Hexadecimal 7b9df93
20 Vigesimal 20a2ef7
36 Base36 2568wj

Cryptographic Hash Functions

md5 eceaf56b09fc846b04e7f5992a2cd03b
sha1 39c6cc2bf51cdb3307ffa60f0f63211c86d19c56
sha256 dfd54499a646bd4de8b0cb9ed34f736f9335f22e15545ee31a35616eba953842
sha512 f64dbaeab3344b0cdde0b75745540aa57578e7861d8410c663a6fde71632d357525898fd7b1d793829742f88a052ceff5c4a2c9867525bb1fa2356290251eb39
ripemd-160 e0436d9a78c61675f1ca129b4a5d016efb477bf6

129621907 as geometric shapes

Circle

Radius = n
Diameter 259243814
Circumference 814438461.551
Area 5.2784533260193E+16

Sphere

Radius = n
Volume 9.1227091483882E+24
Surface area 2.1113813304077E+17
Circumference 814438461.551

Square

Length = n
Perimeter 518487628
Area 16801838774316649
Diagonal 183313058.86006

Cube

Length = n
Surface area 100811032645899894
Volume 2.1778863830335E+24
Space diagonal 224511728.69797

Equilateral Triangle

Length = n
Perimeter 388865721
Area 7.2754096044243E+15
Altitude 112255864.34898

Triangular Pyramid

Length = n
Surface area 7.2754096044243E+15
Volume 2.566663716828E+23
Height 61104352.953355