128399410400

Names of 128399410400

• Cardinal: 128399410400 can be written as One hundred twenty-eight billion, three hundred ninety-nine million, four hundred ten thousand, four hundred.

Scientific notation

• Scientific notation: 1.283994104 × 10¹¹

Factors of 128399410400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 52692

Divisors of 128399410400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 43 50 71 80 86 100 142 160 172 200 215 284 344 355 400 430 568 688 710 800 860 1075 1136 1376 1420 1720 1775 2150 2272 2840 3053 3440 3550 4300 5680 6106 6880 7100 8600 11360 12212 14200 15265 17200 24424 28400 30530 34400 48848 52571 56800 61060 76325 97696 105142 122120 152650 210284 244240 262855 305300 420568 488480 525710 610600 841136 1051420 1221200 1314275 1682272 2102840 2260553 2442400 2628550 3732541 4205680 4521106 5257100 7465082 8411360 9042212 10514200 11302765 14930164 18084424 18662705 21028400 22605530 29860328 36168848 37325410 42056800 45211060 56513825 59720656 72337696 74650820 90422120 93313525 113027650 119441312 149301640 160499263 180844240 186627050 226055300 298603280 320998526 361688480 373254100 452110600 597206560 641997052 746508200 802496315 904221200 1283994104 1493016400 1604992630 1808442400 2567988208 2986032800 3209985260 4012481575 5135976416 6419970520 8024963150 12839941040 16049926300 25679882080 32099852600 64199705200 128399410400
• Sum of all divisors σ(n): 325268431488
• Sum of proper divisors (its aliquot sum) s(n): 196869021088
• 128399410400 is an abundant number, because the sum of its proper divisors (196869021088) is greater than itself. Its abundance is 68469610688

Bases of 128399410400

• Binary: 1110111100101001100111000010011100000₂
• Hexadecimal: 0x1DE53384E0
• Base-36: 1MZHOZ4W

Squares and roots of 128399410400

• 128399410400 squared (128399410400²) is 16486408591067628160000
• 128399410400 cubed (128399410400³) is 2116845142706578162270436864000000
• The square root of 128399410400 is 358328.6346358605
• The cube root of 128399410400 is 5044.9206897393

Scales and comparisons

• 128,399,410,400 seconds is equal to 4,082 years, 36 weeks, 4 days, 6 hours, 53 minutes, 20 seconds.
• To count from 1 to 128,399,410,400 would take you about eight thousand, one hundred sixty-five 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 128399410400 cubic inches would be around 420.4 feet tall.

Recreational maths with 128399410400

• 128399410400 backwards is 004014993821
• The number of decimal digits it has is: 12
• The sum of 128399410400's digits is 41
• More coming soon!