38139867920

Names of 38139867920

• Cardinal: 38139867920 can be written as Thirty-eight billion, one hundred thirty-nine million, eight hundred sixty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.813986792 × 10¹⁰

Factors of 38139867920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 394

Divisors of 38139867920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 31 35 40 44 55 56 62 67 70 77 80 88 110 112 121 124 134 140 154 155 176 217 220 242 248 268 271 280 308 310 335 341 385 434 440 469 484 496 536 542 560 605 616 620 670 682 737 770 847 868 880 938 968 1072 1084 1085 1210 1232 1240 1340 1355 1364 1474 1540 1694 1705 1736 1876 1897 1936 2077 2168 2170 2345 2387 2420 2480 2680 2710 2728 2948 2981 3080 3388 3410 3472 3685 3751 3752 3794 4154 4235 4336 4340 4690 4774 4840 5159 5360 5420 5456 5896 5962 6160 6776 6820 7370 7502 7504 7588 8107 8308 8401 8470 8680 9380 9485 9548 9680 10318 10385 10840 11792 11924 11935 13552 13640 14539 14740 14905 15004 15176 16214 16616 16802 16940 17360 18157 18755 18760 18970 19096 20636 20770 20867 21680 22847 23848 23870 25795 26257 27280 29078 29480 29810 30008 30352 32428 32791 33232 33604 33880 36314 37510 37520 37940 38192 40535 41272 41540 41734 42005 45694 47696 47740 51590 52514 56749 58156 58807 58960 59620 60016 64856 65582 67208 67760 72628 72695 75020 75880 81070 82544 83080 83468 84010 90785 91388 92411 95480 103180 104335 105028 113498 114235 116312 117614 119240 127099 129712 131164 131285 134416 145256 145390 150040 151760 159929 162140 163955 166160 166936 168020 181570 182776 184822 190960 199727 206360 208670 210056 226996 228470 229537 232624 235228 238480 251317 254198 262328 262570 283745 290512 290780 294035 300080 319858 324280 327910 333872 336040 363140 365552 369644 399454 412720 417340 420112 453992 456940 459074 462055 470456 502634 508396 524656 525140 562867 567490 581560 588070 635495 639716 646877 648560 655820 672080 726280 739288 798908 799645 834680 907984 913880 918148 924110 940912 998635 1005268 1016521 1016792 1050280 1125734 1134980 1147685 1163120 1176140 1256585 1270990 1279432 1293754 1311640 1398089 1452560 1478576 1597816 1599290 1669360 1759219 1827760 1836296 1848220 1997270 2010536 2033042 2033584 2100560 2196997 2251468 2269960 2295370 2352280 2513170 2541980 2558864 2587508 2623280 2796178 2814335 3195632 3198580 3234385 3518438 3672592 3696440 3940069 3994540 4021072 4066084 4393994 4502936 4539920 4590740 4704560 5026340 5082605 5083960 5175016 5592356 5628670 6191537 6397160 6468770 6990445 7036876 7115647 7392880 7880138 7989080 8132168 8787988 8796095 9005872 9181480 10052680 10165210 10167920 10350032 10984985 11184712 11257340 12383074 12794320 12937540 13980890 14073752 14231294 15378979 15760276 15978160 16264336 17575976 17592190 18362960 19700345 20105360 20330420 21969970 22369424 22514680 24766148 25875080 27961780 28147504 28462588 30757958 30957685 31520552 35151952 35184380 35578235 39400690 40660840 43340759 43939940 45029360 49532296 51750160 55923560 56925176 61515916 61915370 63041104 68106907 70368760 71156470 76894895 78801380 81321680 86681518 87879880 99064592 111847120 113850352 123031832 123830740 136213814 140737520 142312940 153789790 157602760 173363036 175759760 216703795 246063664 247661480 272427628 284625880 307579580 315205520 340534535 346726072 433407590 476748349 495322960 544855256 569251760 615159160 681069070 693452144 866815180 953496698 1089710512 1230318320 1362138140 1733630360 1906993396 2383741745 2724276280 3467260720 3813986792 4767483490 5448552560 7627973584 9534966980 19069933960 38139867920
• Sum of all divisors σ(n): 117133836288
• Sum of proper divisors (its aliquot sum) s(n): 78993968368
• 38139867920 is an abundant number, because the sum of its proper divisors (78993968368) is greater than itself. Its abundance is 40854100448

Bases of 38139867920

• Binary: 100011100001010100000011001100010000₂
• Hexadecimal: 0x8E1503310
• Base-36: HIRHQFK

Squares and roots of 38139867920

• 38139867920 squared (38139867920²) is 1454649524955045126400
• 38139867920 cubed (38139867920³) is 55480140751676165058535705088000
• The square root of 38139867920 is 195294.3110282529
• The cube root of 38139867920 is 3366.0952028551

Scales and comparisons

• 38,139,867,920 seconds is equal to 1,212 years, 37 weeks, 6 days, 15 hours, 45 minutes, 20 seconds.
• To count from 1 to 38,139,867,920 would take you about two thousand, four hundred twenty-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 38139867920 cubic inches would be around 280.5 feet tall.

Recreational maths with 38139867920

• 38139867920 backwards is 02976893183
• 38139867920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38139867920's digits is 56
• More coming soon!