139494638140

Names of 139494638140

• Cardinal: 139494638140 can be written as One hundred thirty-nine billion, four hundred ninety-four million, six hundred thirty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.3949463814 × 10¹¹

Factors of 139494638140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 597

Divisors of 139494638140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 11 13 19 20 22 26 38 44 52 55 65 76 95 110 130 143 169 190 209 220 247 260 286 338 361 380 418 494 547 572 676 715 722 836 845 988 1045 1094 1235 1430 1444 1690 1805 1859 2090 2188 2470 2717 2735 2860 3211 3380 3610 3718 3971 4180 4693 4940 5434 5470 6017 6422 6859 7111 7220 7436 7942 9295 9386 10393 10868 10940 12034 12844 13585 13718 14222 15884 16055 18590 18772 19855 20786 23465 24068 27170 27436 28444 30085 32110 34295 35321 35555 37180 39710 41572 46930 51623 51965 54340 60170 61009 64220 68590 70642 71110 75449 78221 79420 89167 92443 93860 103246 103930 114323 120340 122018 135109 137180 141284 142220 150898 156442 176605 178334 184886 197467 206492 207860 228646 244036 258115 270218 301796 305045 312884 353210 356668 369772 377245 391105 394934 445835 457292 462215 516230 540436 571615 610090 671099 675545 706420 754490 782210 789868 891670 924430 980837 987335 1016873 1032460 1143230 1159171 1220180 1342198 1351090 1486199 1508980 1564420 1756417 1783340 1848860 1961674 1974670 2033746 2172137 2286460 2318342 2567071 2684396 2702180 2972398 3355495 3512834 3751873 3923348 3949340 4067492 4344274 4636684 4904185 5084365 5134142 5795855 5944796 6710990 7025668 7430995 7503746 8688548 8782085 9808370 10168730 10268284 10860685 11591710 12750881 12835355 13421980 14861990 15007492 17564170 18759365 19320587 19616740 20337460 21721370 23183420 25501762 25670710 28237781 29723980 33371923 35128340 37518730 38641174 41270603 43442740 48774349 51003524 51341420 56475562 63754405 66743846 75037460 77282348 82541206 96602935 97548698 112951124 127508810 133487692 141188905 165082412 166859615 193205870 195097396 206353015 243871745 255017620 282377810 333719230 367091153 386411740 412706030 487743490 536517839 564755620 634066537 667438460 734182306 825412060 975486980 1073035678 1268133074 1468364612 1835455765 2146071356 2536266148 2682589195 3170332685 3670911530 5365178390 6340665370 6974731907 7341823060 10730356780 12681330740 13949463814 27898927628 34873659535 69747319070 139494638140
• Sum of all divisors σ(n): 365932304640
• Sum of proper divisors (its aliquot sum) s(n): 226437666500
• 139494638140 is an abundant number, because the sum of its proper divisors (226437666500) is greater than itself. Its abundance is 86943028360

Bases of 139494638140

• Binary: 10000001111010100001110100001000111100₂
• Hexadecimal: 0x207A87423C
• Base-36: 1S2ZI7NG

Squares and roots of 139494638140

• 139494638140 squared (139494638140²) is 19458754069809542659600
• 139494638140 cubed (139494638140³) is 2714391857623334452019795197144000
• The square root of 139494638140 is 373489.8099547025
• The cube root of 139494638140 is 5186.2387393765

Scales and comparisons

• 139,494,638,140 seconds is equal to 4,435 years, 25 weeks, 6 days, 6 hours, 35 minutes, 40 seconds.
• To count from 1 to 139,494,638,140 would take you about eight thousand, eight hundred seventy 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 139494638140 cubic inches would be around 432.2 feet tall.

Recreational maths with 139494638140

• 139494638140 backwards is 041836494931
• 139494638140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139494638140's digits is 52
• More coming soon!