130512900

Names of 130512900

• Cardinal: 130512900 can be written as One hundred thirty million, five hundred twelve thousand, nine hundred.

Scientific notation

• Scientific notation: 1.305129 × 10⁸

Factors of 130512900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3307

Divisors of 130512900

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 25 28 30 35 38 42 50 57 60 70 75 76 84 95 100 105 114 133 140 150 175 190 210 228 266 285 300 350 380 399 420 475 525 532 570 665 700 798 950 1050 1140 1330 1425 1596 1900 1995 2100 2660 2850 3271 3325 3990 5700 6542 6650 7980 9813 9975 13084 13300 16355 19626 19950 22897 32710 39252 39900 45794 49065 62149 65420 68691 81775 91588 98130 114485 124298 137382 163550 186447 196260 228970 245325 248596 274764 310745 327100 343455 372894 435043 457940 490650 572425 621490 686910 745788 870086 932235 981300 1144850 1242980 1305129 1373820 1553725 1717275 1740172 1864470 2175215 2289700 2610258 3107450 3434550 3728940 4350430 4661175 5220516 6214900 6525645 6869100 8700860 9322350 10876075 13051290 18644700 21752150 26102580 32628225 43504300 65256450 130512900
• Sum of all divisors σ(n): 454415360
• Sum of proper divisors (its aliquot sum) s(n): 323902460
• 130512900 is an abundant number, because the sum of its proper divisors (323902460) is greater than itself. Its abundance is 193389560

Bases of 130512900

• Binary: 111110001110111100000000100₂
• Hexadecimal: 0x7C77804
• Base-36: 25PCEC

Squares and roots of 130512900

• 130512900 squared (130512900²) is 17033617066410000
• 130512900 cubed (130512900³) is 2223106760826661689000000
• The square root of 130512900 is 11424.2242625047
• The cube root of 130512900 is 507.2450449185

Scales and comparisons

• 130,512,900 seconds is equal to 4 years, 7 weeks, 5 days, 13 hours, 35 minutes.
• To count from 1 to 130,512,900 would take you about six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 130512900 cubic inches would be around 42.3 feet tall.

Recreational maths with 130512900

• 130512900 backwards is 009215031
• 130512900 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 130512900's digits is 21
• More coming soon!