138478697500

Names of 138478697500

• Cardinal: 138478697500 can be written as One hundred thirty-eight billion, four hundred seventy-eight million, six hundred ninety-seven thousand, five hundred.

Scientific notation

• Scientific notation: 1.384786975 × 10¹¹

Factors of 138478697500

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 116

Divisors of 138478697500

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 10 11 13 19 20 22 25 26 29 37 38 44 50 52 55 58 65 74 76 95 100 110 116 125 130 143 145 148 185 190 209 220 247 250 260 275 286 290 319 325 361 370 377 380 407 418 475 481 494 500 550 551 572 580 625 638 650 703 715 722 725 740 754 814 836 925 950 962 988 1045 1073 1100 1102 1235 1250 1276 1300 1375 1406 1430 1444 1450 1508 1595 1625 1628 1805 1850 1885 1900 1924 2035 2090 2146 2204 2375 2405 2470 2500 2717 2750 2755 2812 2860 2900 3190 3250 3515 3575 3610 3625 3700 3770 3971 4070 4147 4180 4292 4625 4693 4750 4810 4940 5225 5291 5365 5434 5500 5510 6061 6175 6380 6500 6875 7030 7150 7163 7220 7250 7540 7733 7942 7975 8125 8140 8294 9025 9139 9250 9386 9425 9500 9620 10175 10450 10469 10582 10730 10868 11020 11803 11875 12025 12122 12350 13357 13585 13750 13775 13949 14060 14300 14326 14500 15466 15884 15950 16250 16588 17575 17875 18050 18125 18278 18500 18772 18850 19855 20350 20387 20735 20900 20938 21164 21460 23125 23465 23606 23750 24050 24244 24700 26125 26455 26714 26825 27170 27500 27550 27898 28652 30305 30875 30932 31900 32500 35150 35750 35815 36100 36250 36556 37700 38665 39710 39875 40700 40774 41470 41876 45125 45695 46250 46930 47125 47212 47500 48100 50875 51623 52250 52345 52910 53428 53650 54340 55100 55796 59015 60125 60610 61750 66785 67925 68875 69745 70300 71500 71630 72500 77330 78793 79420 79750 81548 82940 87875 89375 90250 91390 92500 93860 94250 99275 100529 101750 101935 103246 103675 104500 104690 105820 107300 115159 117325 118030 120250 121220 123500 130625 132275 133570 134125 135850 136097 137750 139490 143260 146927 151525 153439 154375 154660 157586 159500 173641 175750 178750 179075 180500 182780 188500 193325 198550 199375 201058 203500 203870 206492 207350 209380 224257 225625 228475 230318 234650 235625 236060 240500 254375 258115 261250 261725 264550 265031 267140 268250 271700 272194 275500 278980 293854 295075 300625 303050 306878 308750 315172 333925 339625 344375 347282 348725 351500 357500 358150 386650 387353 393965 397100 398750 402116 407740 414700 439375 448514 451250 456950 460636 469300 471250 496375 502645 508750 509675 516230 518375 522500 523450 529100 530062 536500 544388 575795 586625 587708 590150 601250 606100 613756 617500 661375 667850 670625 679250 680485 688750 694564 697450 716300 734635 757625 767195 773300 774706 787930 797500 868205 878750 895375 897028 902500 913900 942500 966625 992750 1005290 1017500 1019350 1032460 1036750 1046900 1060124 1121285 1142375 1151590 1173250 1180300 1202500 1290575 1308625 1322750 1325155 1335700 1341250 1358500 1360970 1377500 1394900 1469270 1475375 1497067 1515250 1534390 1549412 1575860 1669625 1698125 1736410 1743625 1757500 1790750 1910051 1933250 1936765 1969825 1985500 2010580 2038700 2073500 2242570 2284750 2303180 2346500 2481875 2513225 2548375 2581150 2591875 2617250 2645500 2650310 2682500 2721940 2878975 2915341 2933125 2938540 2950750 2994134 3030500 3068780 3306875 3339250 3396250 3402425 3472820 3487250 3581500 3673175 3788125 3820102 3835975 3866500 3873530 3939650 4260883 4341025 4476875 4485140 4569500 4833125 4963750 5026450 5035589 5096750 5162300 5183750 5234500 5300620 5606425 5711875 5757950 5830682 5866250 5901500 5988268 6452875 6543125 6613750 6625775 6678500 6792500 6804850 6974500 7346350 7376875 7485335 7576250 7640204 7671950 7747060 7879300 8348125 8521766 8682050 8718125 8953750 9550255 9666250 9683825 9849125 9927500 10052900 10071178 10193500 10367500 11212850 11423750 11515900 11661364 11732500 12566125 12741875 12905750 13086250 13227500 13251550 13609700 14394875 14576705 14692700 14753750 14970670 15152500 15343900 16696250 17012125 17043532 17364100 17436250 17907500 18365875 19100510 19179875 19332500 19367650 19698250 20142356 21304415 21705125 22425700 22847500 25132250 25177945 25483750 25811500 26172500 26503100 28032125 28789750 29153410 29507500 29941340 32264375 33128875 33392500 34024250 34872500 36731750 37426675 38201020 38359750 38735300 39396500 42608830 43410250 47751275 48419125 49245625 50264500 50355890 50967500 55391479 56064250 57579500 58306820 62830625 64528750 66257750 68048500 71974375 72883525 73463500 74853350 76719500 85060625 85217660 86820500 91829375 95502550 95899375 96838250 98491250 100711780 106522075 108525625 110782958 112128500 125661250 125889725 129057500 132515500 140160625 143948750 145767050 149706700 165644375 170121250 183658750 187133375 191005100 191798750 193676500 196982500 213044150 217051250 221565916 238756375 242095625 251322500 251779450 276957395 280321250 287897500 291534100 331288750 340242500 364417625 367317500 374266750 383597500 426088300 434102500 477512750 484191250 503558900 532610375 553914790 560642500 629448625 662577500 728835250 748533500 935666875 955025500 968382500 1065220750 1107829580 1193781875 1258897250 1384786975 1457670500 1822088125 1871333750 2130441500 2387563750 2517794500 2663051875 2769573950 3147243125 3644176250 3742667500 4775127500 5326103750 5539147900 6294486250 6923934875 7288352500 10652207500 12588972500 13847869750 27695739500 34619674375 69239348750 138478697500
• Sum of all divisors σ(n): 398922179040
• Sum of proper divisors (its aliquot sum) s(n): 260443481540
• 138478697500 is an abundant number, because the sum of its proper divisors (260443481540) is greater than itself. Its abundance is 121964784040

Bases of 138478697500

• Binary: 10000000111101111110010011110000011100₂
• Hexadecimal: 0x203DF93C1C
• Base-36: 1RM6N2U4

Squares and roots of 138478697500

• 138478697500 squared (138478697500²) is 19176349661296506250000
• 138478697500 cubed (138478697500³) is 2655515923900906346800609375000000
• The square root of 138478697500 is 372127.2598184659
• The cube root of 138478697500 is 5173.6175759263

Scales and comparisons

• 138,478,697,500 seconds is equal to 4,403 years, 10 weeks, 16 hours, 51 minutes, 40 seconds.
• To count from 1 to 138,478,697,500 would take you about eight thousand, eight hundred 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 138478697500 cubic inches would be around 431.1 feet tall.

Recreational maths with 138478697500

• 138478697500 backwards is 005796874831
• 138478697500 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138478697500's digits is 58
• More coming soon!