1388568666940

Names of 1388568666940

• Cardinal: 1388568666940 can be written as One trillion, three hundred eighty-eight billion, five hundred sixty-eight million, six hundred sixty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.38856866694 × 10¹²

Factors of 1388568666940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 149188

Divisors of 1388568666940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 17 20 26 28 34 35 43 49 52 65 68 70 85 86 91 98 119 130 140 170 172 182 196 215 221 238 245 260 301 340 364 430 442 455 476 490 559 595 602 637 731 833 860 884 910 980 1105 1118 1190 1204 1274 1462 1505 1547 1666 1820 2107 2210 2236 2380 2548 2795 2924 3010 3094 3185 3332 3655 3913 4165 4214 4420 5117 5590 6020 6188 6370 7310 7735 7826 8330 8428 9503 10234 10535 10829 11180 12740 14620 15470 15652 16660 19006 19565 20468 21070 21658 25585 27391 30940 35819 38012 39130 42140 43316 47515 51170 54145 54782 66521 71638 78260 95030 102340 108290 109564 133042 136955 143276 149101 179095 190060 216580 266084 273910 298202 332605 358190 465647 547820 596404 665210 716380 745505 931294 1043707 1330420 1491010 1862588 1938313 2087414 2328235 2534717 2982020 3876626 4174828 4656470 5069434 5218535 6411343 7305949 7753252 9312940 9691565 10138868 10437070 12673585 12822686 13568191 14611898 17743019 19383130 20874140 25347170 25645372 27136382 29223796 32056715 32951321 35486038 36529745 38766260 44879401 50694340 54272764 64113430 65902642 67840955 70972076 73059490 83347459 88715095 89758802 94977337 108992831 124201133 128226860 131805284 135681910 146118980 164756605 166694918 177430190 179517604 189954674 217985662 224397005 230659247 248402266 271363820 314155807 329513210 333389836 354860380 379909348 416737295 435971324 448794010 461318494 474886685 496804532 544964155 583432213 621005665 628311614 659026420 762949817 833474590 897588020 922636988 949773370 1089928310 1153296235 1166864426 1242011330 1256623228 1416906803 1525899634 1570779035 1614614729 1666949180 1899546740 2179856620 2306592470 2333728852 2484022660 2833813606 2917161065 3051799268 3141558070 3229229458 3814749085 4084025491 4613184940 5340648719 5667627212 5834322130 6283116140 6458458916 7084534015 7629498170 8073073645 8168050982 9918347621 10681297438 11668644260 14169068030 15258996340 16146147290 16336101964 19836695242 20420127455 21362594876 26703243595 28338136060 32292294580 39673390484 40840254910 49591738105 53406487190 69428433347 81680509820 99183476210 106812974380 138856866694 198366952420 277713733388 347142166735 694284333470 1388568666940
• Sum of all divisors σ(n): 3957863684544
• Sum of proper divisors (its aliquot sum) s(n): 2569295017604
• 1388568666940 is an abundant number, because the sum of its proper divisors (2569295017604) is greater than itself. Its abundance is 1180726350664

Bases of 1388568666940

• Binary: 10100001101001101001001000110001100111100₂
• Hexadecimal: 0x1434D24633C
• Base-36: HPWDXKJG

Squares and roots of 1388568666940

• 1388568666940 squared (1388568666940²) is 1928122942807528648963600
• 1388568666940 cubed (1388568666940³) is 2677331104390679917087245264583384000
• The square root of 1388568666940 is 1178375.4354788629
• The cube root of 1388568666940 is 11156.3583002995

Scales and comparisons

• 1,388,568,666,940 seconds is equal to 44,152 years, 9 weeks, 5 days, 14 hours, 35 minutes, 40 seconds.
• To count from 1 to 1,388,568,666,940 would take you about one hundred ten thousand, three hundred eighty 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 1388568666940 cubic inches would be around 929.7 feet tall.

Recreational maths with 1388568666940

• 1388568666940 backwards is 0496668658831
• 1388568666940 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1388568666940's digits is 70
• More coming soon!