1388748152164920

Names of 1388748152164920

• Cardinal: 1388748152164920 can be written as One quadrillion, three hundred eighty-eight trillion, seven hundred forty-eight billion, one hundred fifty-two million, one hundred sixty-four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.38874815216492 × 10¹⁵

Factors of 1388748152164920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13060938

Divisors of 1388748152164920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 149 152 190 228 285 298 313 380 447 456 570 596 626 745 760 894 939 1140 1192 1252 1490 1565 1788 1878 2235 2280 2504 2831 2980 3130 3576 3756 4470 4695 5662 5947 5960 6260 7512 8493 8940 9390 11324 11894 12520 14155 16986 17841 17880 18780 22648 23788 28310 29735 33972 35682 37560 42465 46637 47576 56620 59470 67944 71364 84930 89205 93274 113240 118940 139911 142728 169860 178410 186548 233185 237880 279822 339720 356820 373096 466370 559644 699555 713640 886103 932740 1119288 1399110 1772206 1865480 2658309 2798220 3544412 4430515 5316618 5596440 7088824 8861030 10633236 13060447 13291545 17722060 21266472 26120894 26583090 35444120 39181341 52241788 53166180 65302235 78362682 104483576 106332360 130604470 156725364 195906705 248148493 261208940 313450728 391813410 496296986 522417880 744445479 783626820 992593972 1240742465 1488890958 1567253640 1946006603 1985187944 2481484930 2977781916 3722227395 3892013206 4087919911 4962969860 5838019809 5955563832 7444454790 7784026412 8175839822 9730033015 9925939720 11676039618 12263759733 14888909580 15568052824 16351679644 19460066030 20439599555 23352079236 24527519466 29190099045 29777819160 32703359288 36974125457 38920132060 40879199110 46704158472 49055038932 58380198090 61318798665 73948250914 77670478309 77840264120 81758398220 98110077864 110922376371 116760396180 122637597330 147896501828 155340956618 163516796440 184870627285 221844752742 233011434927 233520792360 245275194660 295793003656 310681913236 369741254570 388352391545 443689505484 466022869854 490550389320 554611881855 609100066739 621363826472 739482509140 776704783090 887379010968 932045739708 1109223763710 1165057174635 1218200133478 1478965018280 1553409566180 1827300200217 1864091479416 2218447527420 2330114349270 2436400266956 3045500333695 3106819132360 3654600400434 4436895054840 4660228698540 4872800533912 6091000667390 7309200800868 9136501001085 9320457397080 11572901268041 12182001334780 14618401601736 18273002002170 23145802536082 24364002669560 34718703804123 36546004004340 46291605072164 57864506340205 69437407608246 73092008008680 92583210144328 115729012680410 138874815216492 173593519020615 231458025360820 277749630432984 347187038041230 462916050721640 694374076082460 1388748152164920
• Sum of all divisors σ(n): 4429059125760000
• Sum of proper divisors (its aliquot sum) s(n): 3040310973595080
• 1388748152164920 is an abundant number, because the sum of its proper divisors (3040310973595080) is greater than itself. Its abundance is 1651562821430160

Bases of 1388748152164920

• Binary: 100111011110000111100100000010010101101001000111000₂
• Hexadecimal: 0x4EF0F204AD238
• Base-36: DO9Q3DDU0O

Squares and roots of 1388748152164920

• 1388748152164920 squared (1388748152164920²) is 1928621430141479794482878606400
• 1388748152164920 cubed (1388748152164920³) is 2678369447334645409392370307984451712567488000
• The square root of 1388748152164920 is 37265911.3958711603
• The cube root of 1388748152164920 is 111568.3896677189

Scales and comparisons

• 1,388,748,152,164,920 seconds is equal to 44,157,895 years, 29 weeks, 9 hours, 22 minutes.
• To count from 1 to 1,388,748,152,164,920 would take you about one hundred thirty-two million, four hundred seventy-three thousand, six hundred eighty-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 1388748152164920 cubic inches would be around 9297.4 feet tall.

Recreational maths with 1388748152164920

• 1388748152164920 backwards is 0294612518478831
• The number of decimal digits it has is: 16
• The sum of 1388748152164920's digits is 69
• More coming soon!