128217994480400

Names of 128217994480400

• Cardinal: 128217994480400 can be written as One hundred twenty-eight trillion, two hundred seventeen billion, nine hundred ninety-four million, four hundred eighty thousand, four hundred.

Scientific notation

• Scientific notation: 1.282179944804 × 10¹⁴

Factors of 128217994480400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6060

Divisors of 128217994480400

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 1291 2200 2582 4400 4751 5164 6455 9502 10328 12910 14201 19004 20656 23755 25820 28402 32275 38008 47510 51640 52261 56804 64550 71005 76016 95020 103280 104522 113608 118775 129100 142010 190040 209044 227216 237550 258200 261305 284020 355025 380080 418088 475100 516400 522610 568040 710050 836176 950200 1045220 1136080 1306525 1420100 1900400 2090440 2613050 2840200 4180880 5226100 5680400 6133541 10452200 12267082 20904400 22572001 24534164 30667705 45144002 49068328 61335410 67468951 90288004 98136656 112860005 122670820 134937902 153338525 180576008 225720010 245341640 248292011 269875804 306677050 337344755 361152016 451440020 490683280 496584022 539751608 564300025 613354100 674689510 902880040 993168044 1079503216 1128600050 1226708200 1241460055 1349379020 1686723775 1805760080 1986336088 2257200100 2453416400 2482920110 2698758040 3373447550 3972672176 4514400200 4965840220 5397516080 6207300275 6746895100 9028800400 9931680440 12414600550 13493790200 19863360880 24829201100 26987580400 29140453291 49658402200 58280906582 99316804400 116561813164 145702266455 233123626328 291404532910 320544986201 466247252656 582809065820 641089972402 728511332275 1165618131640 1282179944804 1457022664550 1602724931005 2331236263280 2564359889608 2914045329100 3205449862010 5128719779216 5828090658200 6410899724020 8013624655025 11656181316400 12821799448040 16027249310050 25643598896080 32054498620100 64108997240200 128217994480400
• Sum of all divisors σ(n): 336378809350032
• Sum of proper divisors (its aliquot sum) s(n): 208160814869632
• 128217994480400 is an abundant number, because the sum of its proper divisors (208160814869632) is greater than itself. Its abundance is 79942820389232

Bases of 128217994480400

• Binary: 11101001001110100010100000000111100101100010000₂
• Hexadecimal: 0x749D1403CB10
• Base-36: 19G6J7F8CW

Squares and roots of 128217994480400

• 128217994480400 squared (128217994480400²) is 16439854108575884865984160000
• 128217994480400 cubed (128217994480400³) is 2107885123351964068051302920593830464000000
• The square root of 128217994480400 is 11323338.4865241929
• The cube root of 128217994480400 is 50425.4357522029

Scales and comparisons

• 128,217,994,480,400 seconds is equal to 4,076,935 years, 32 weeks, 1 day, 17 hours, 53 minutes, 20 seconds.
• To count from 1 to 128,217,994,480,400 would take you about ten million, one hundred ninety-two thousand, three hundred thirty-nine 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 128217994480400 cubic inches would be around 4202.1 feet tall.

Recreational maths with 128217994480400

• 128217994480400 backwards is 004084499712821
• The number of decimal digits it has is: 15
• The sum of 128217994480400's digits is 59
• More coming soon!