138686819400

Names of 138686819400

• Cardinal: 138686819400 can be written as One hundred thirty-eight billion, six hundred eighty-six million, eight hundred nineteen thousand, four hundred.

Scientific notation

• Scientific notation: 1.386868194 × 10¹¹

Factors of 138686819400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 435

Divisors of 138686819400

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 30 34 36 40 45 50 51 60 68 72 75 85 90 100 102 120 127 136 150 153 170 180 200 204 225 254 255 281 300 306 340 360 381 408 425 450 508 510 562 600 612 635 680 762 765 843 850 900 1016 1020 1124 1143 1224 1270 1275 1405 1524 1530 1686 1700 1800 1905 2040 2159 2248 2286 2529 2540 2550 2810 3048 3060 3175 3372 3400 3810 3825 4215 4318 4572 4777 5058 5080 5100 5620 5715 6120 6350 6477 6744 7025 7620 7650 8430 8636 9144 9525 9554 10116 10200 10795 11240 11430 12645 12700 12954 14050 14331 15240 15300 16129 16860 17272 19050 19108 19431 20232 21075 21590 22860 23885 25290 25400 25908 28100 28575 28662 30600 32258 32385 33720 35687 38100 38216 38862 42150 42993 43180 45720 47770 48387 50580 51816 53975 56200 57150 57324 63225 64516 64770 71374 71655 76200 77724 80645 84300 85986 86360 95540 96774 97155 101160 107061 107950 114300 114648 119425 126450 129032 129540 142748 143310 145161 155448 161290 161925 168600 171972 178435 191080 193548 194310 214122 214965 215900 228600 238850 241935 252900 259080 274193 285496 286620 290322 321183 322580 323850 343944 356870 358275 387096 388620 403225 428244 429930 431800 477700 483870 485775 505800 535305 548386 573240 580644 606679 642366 645160 647700 713740 716550 725805 777240 806450 822579 856488 859860 892175 955400 967740 971550 1070610 1074825 1096772 1161288 1209675 1213358 1284732 1295400 1370965 1427480 1433100 1451610 1605915 1612900 1645158 1719720 1784350 1820037 1935480 1943100 2141220 2149650 2193544 2419350 2426716 2467737 2569464 2676525 2741930 2866200 2903220 3033395 3211830 3225800 3290316 3568700 3629025 3640074 3886200 4112895 4282440 4299300 4532249 4838700 4853432 4935474 5353050 5460111 5483860 5806440 6066790 6423660 6580632 6854825 7137400 7258050 7280148 8029575 8225790 8598600 9064498 9100185 9677400 9870948 10706100 10920222 10967720 12133580 12338685 12847320 13596747 13709650 14516100 14560296 15166975 16059150 16451580 18128996 18200370 19741896 20564475 21412200 21840444 22661245 24267160 24677370 27193494 27300555 27419300 29032200 30333950 32118300 32903160 36257992 36400740 40790241 41128950 43680888 45322490 45500925 49354740 54386988 54601110 54838600 60667900 61693425 64236600 67983735 72801480 77048233 81580482 82257900 90644980 91001850 98709480 108773976 109202220 113306225 121335800 123386850 135967470 136502775 154096466 163160964 164515800 181289960 182003700 203951205 218404440 226612450 231144699 246773700 271934940 273005550 308192932 326321928 339918675 364007400 385241165 407902410 453224900 462289398 493547400 543869880 546011100 616385864 679837350 693434097 770482330 815804820 906449800 924578796 1019756025 1092022200 1155723495 1359674700 1386868194 1540964660 1631609640 1849157592 1926205825 2039512050 2311446990 2719349400 2773736388 3081929320 3467170485 3852411650 4079024100 4622893980 5547472776 5778617475 6934340970 7704823300 8158048200 9245787960 11557234950 13868681940 15409646600 17335852425 23114469900 27737363880 34671704850 46228939800 69343409700 138686819400
• Sum of all divisors σ(n): 498836615940
• Sum of proper divisors (its aliquot sum) s(n): 360149796540
• 138686819400 is an abundant number, because the sum of its proper divisors (360149796540) is greater than itself. Its abundance is 221462977140

Bases of 138686819400

• Binary: 10000001001010011000001110110001001000₂
• Hexadecimal: 0x204A60EC48
• Base-36: 1RPMJUQ0

Squares and roots of 138686819400

• 138686819400 squared (138686819400²) is 19234033875288216360000
• 138686819400 cubed (138686819400³) is 2667506982395578985267445384000000
• The square root of 138686819400 is 372406.7929025999
• The cube root of 138686819400 is 5176.2081167359

Scales and comparisons

• 138,686,819,400 seconds is equal to 4,409 years, 42 weeks, 1 day, 12 hours, 30 minutes.
• To count from 1 to 138,686,819,400 would take you about eight thousand, eight hundred nineteen 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 138686819400 cubic inches would be around 431.4 feet tall.

Recreational maths with 138686819400

• 138686819400 backwards is 004918686831
• The number of decimal digits it has is: 12
• The sum of 138686819400's digits is 54
• More coming soon!