121428394791158

Names of 121428394791158

• Cardinal: 121428394791158 can be written as One hundred twenty-one trillion, four hundred twenty-eight billion, three hundred ninety-four million, seven hundred ninety-one thousand, one hundred fifty-eight.

Scientific notation

• Scientific notation: 1.21428394791158 × 10¹⁴

Factors of 121428394791158

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 230

Divisors of 121428394791158

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 7 13 14 26 41 49 82 91 98 167 169 182 287 334 338 343 533 574 637 686 1066 1169 1183 1274 1681 2009 2171 2197 2338 2366 2401 3362 3731 4018 4342 4394 4459 4802 6847 6929 7462 8183 8281 8918 11767 13694 13858 14063 15197 15379 16366 16562 21853 23534 26117 28126 28223 30394 30758 31213 43706 47929 48503 52234 56446 57281 57967 62426 68921 82369 89011 90077 95858 97006 98441 106379 107653 114562 115934 137842 152971 164738 178022 180154 182819 196882 197561 212758 215306 280727 284089 305942 335503 339521 365638 366899 395122 400967 405769 482447 561454 568178 576583 623077 630539 671006 679042 733798 744653 753571 801934 811538 895973 964894 1070797 1153166 1157143 1246154 1261078 1279733 1382927 1489306 1507142 1791946 1965089 1988623 2141594 2314286 2348521 2376647 2559466 2568293 2765854 3377129 3649451 3693157 3930178 3977246 4036081 4361539 4413773 4697042 4753294 5136586 5212571 5274997 6271811 6754258 7298902 7386314 7495579 8072162 8100001 8723078 8827546 9680489 10425142 10549994 11509807 11647649 12543622 13755623 13920361 14991158 15042859 16200002 16439647 16636529 17978051 19360978 23019614 23295298 23639903 25546157 25852099 27511246 27840722 30085718 30530773 30896411 32879294 33273058 35956102 43902677 47279806 47442863 51092314 51704198 52469053 56700007 61061546 61792822 67763423 80568649 81533543 87805354 94885726 96289361 97442527 104938106 105300013 113400014 125846357 135526846 149627491 151419437 161137298 163067086 165479321 178823099 180964693 192578722 194885054 210600026 213715411 216274877 251692714 299254982 302838874 307318739 330958642 332100041 357646198 361929386 396900049 427430822 432549754 563980543 570734801 614637478 616757219 664200082 674025527 682097689 737100091 793800098 880924499 1047392437 1059936059 1127961086 1141469602 1233514438 1251761693 1266752851 1348051054 1364195378 1474200182 1761848998 1945157383 2094784874 2119872118 2151231173 2324700287 2503523386 2533505702 2778300343 3890314766 3947863801 3995143607 4302462346 4317300533 4649400574 5159700637 5556600686 7331747059 7419552413 7895727602 7990287214 8634601066 8762331851 8867269957 10319401274 13616101681 14663494118 14839104826 16272902009 17524663702 17734539914 25287045979 27232203362 27635046607 27966005249 30221103731 32545804018 36117904459 50574091958 51322229413 51936866891 55270093214 55932010498 60442207462 72235808918 95312711767 102644458826 103873733782 113910314063 177009321853 190625423534 211547726117 227820628126 354018643706 359255605891 363558068237 423095452234 667188982369 718511211782 727116136474 1239065252971 1334377964738 1480834082819 2478130505942 2961668165638 4670322876583 8673456770797 9340645753166 17346913541594 60714197395579 121428394791158
• Sum of all divisors σ(n): 237353633354880
• Sum of proper divisors (its aliquot sum) s(n): 115925238563722
• 121428394791158 is a deficient number, because the sum of its proper divisors (115925238563722) is less than itself. Its deficiency is 5503156227436

Bases of 121428394791158

• Binary: 11011100111000001000000010101100101000011110110₂
• Hexadecimal: 0x6E70405650F6
• Base-36: 171JFN2J92

Squares and roots of 121428394791158

• 121428394791158 squared (121428394791158²) is 14744855061557327306434980964
• 121428394791158 cubed (121428394791158³) is 1790444081553187434544317560983578485516312
• The square root of 121428394791158 is 11019455.2855918427
• The cube root of 121428394791158 is 49519.1769781677

Scales and comparisons

• 121,428,394,791,158 seconds is equal to 3,861,047 years, 18 weeks, 2 days, 12 minutes, 38 seconds.
• To count from 1 to 121,428,394,791,158 would take you about nine million, six hundred fifty-two thousand, six hundred eighteen 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 121428394791158 cubic inches would be around 4126.6 feet tall.

Recreational maths with 121428394791158

• 121428394791158 backwards is 851197493824121
• The number of decimal digits it has is: 15
• The sum of 121428394791158's digits is 65
• More coming soon!