12972128130

Names of 12972128130

• Cardinal: 12972128130 can be written as Twelve billion, nine hundred seventy-two million, one hundred twenty-eight thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.297212813 × 10¹⁰

Factors of 12972128130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17445

Divisors of 12972128130

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 71 78 81 90 117 130 135 142 162 195 213 234 270 351 355 390 405 426 585 639 702 710 810 923 1053 1065 1170 1278 1755 1846 1917 2106 2130 2769 3195 3510 3834 4615 5265 5538 5751 6390 8307 9230 9585 10530 11502 13845 16614 17351 19170 24921 27690 28755 34702 41535 49842 52053 57510 74763 83070 86755 104106 124605 149526 156159 173510 225563 249210 260265 312318 373815 451126 468477 520530 676689 747630 780795 936954 1127815 1231921 1353378 1405431 1561590 2030067 2255630 2342385 2463842 2810862 3383445 3695763 4060134 4684770 6090201 6159605 6766890 7027155 7391526 10150335 11087289 12180402 12319210 14054310 16014973 18270603 18478815 20300670 22174578 30451005 32029946 33261867 36541206 36957630 48044919 55436445 60902010 66523734 80074865 91353015 96089838 99785601 110872890 144134757 160149730 166309335 182706030 199571202 240224595 288269514 332618670 432404271 480449190 498928005 720673785 864808542 997856010 1297212813 1441347570 2162021355 2594425626 4324042710 6486064065 12972128130
• Sum of all divisors σ(n): 38094997248
• Sum of proper divisors (its aliquot sum) s(n): 25122869118
• 12972128130 is an abundant number, because the sum of its proper divisors (25122869118) is greater than itself. Its abundance is 12150740988

Bases of 12972128130

• Binary: 1100000101001100101111011110000010₂
• Hexadecimal: 0x30532F782
• Base-36: 5YJ9Q4I

Squares and roots of 12972128130

• 12972128130 squared (12972128130²) is 168276108221137296900
• 12972128130 cubed (12972128130³) is 2182899237062339389708651797000
• The square root of 12972128130 is 113895.2506911505
• The cube root of 12972128130 is 2349.6530726733

Scales and comparisons

• 12,972,128,130 seconds is equal to 412 years, 24 weeks, 4 days, 8 hours, 55 minutes, 30 seconds.
• To count from 1 to 12,972,128,130 would take you about eight hundred twenty-four 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 12972128130 cubic inches would be around 195.8 feet tall.

Recreational maths with 12972128130

• 12972128130 backwards is 03182127921
• The number of decimal digits it has is: 11
• The sum of 12972128130's digits is 36
• More coming soon!