139129406780

Names of 139129406780

• Cardinal: 139129406780 can be written as One hundred thirty-nine billion, one hundred twenty-nine million, four hundred six thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.3912940678 × 10¹¹

Factors of 139129406780

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19602

Divisors of 139129406780

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 52 62 65 70 91 124 127 130 140 155 182 217 254 260 310 364 403 434 455 508 620 635 806 868 889 910 1085 1270 1612 1651 1778 1820 2015 2170 2540 2821 3302 3556 3937 4030 4340 4445 5642 6604 7874 8060 8255 8890 11284 11557 14105 15748 16510 17780 19417 19685 23114 27559 28210 33020 38834 39370 46228 51181 55118 56420 57785 77668 78740 97085 102362 110236 115570 135919 137795 194170 204724 231140 252421 255905 271838 275590 358267 388340 504842 511810 543676 551180 601927 679595 716534 1009684 1023620 1203854 1262105 1359190 1433068 1766947 1791335 2407708 2465959 2524210 2718380 3009635 3533894 3582670 4213489 4931918 5048420 6019270 7067788 7165340 7825051 8426978 8834735 9863836 12038540 12329795 15650102 16853956 17261713 17669470 21067445 24659590 31300204 32057467 34523426 35338940 39125255 42134890 49319180 54775357 64114934 69046852 76444729 78250510 84269780 86308565 109550714 128229868 152889458 156501020 160287335 172617130 219101428 224402269 273876785 305778916 320574670 345234260 382223645 448804538 535113103 547753570 641149340 764447290 897609076 993781477 1070226206 1095507140 1122011345 1528894580 1987562954 2140452412 2244022690 2675565515 3975125908 4488045380 4968907385 5351131030 6956470339 9937814770 10702262060 13912940678 19875629540 27825881356 34782351695 69564703390 139129406780
• Sum of all divisors σ(n): 374137946112
• Sum of proper divisors (its aliquot sum) s(n): 235008539332
• 139129406780 is an abundant number, because the sum of its proper divisors (235008539332) is greater than itself. Its abundance is 95879132552

Bases of 139129406780

• Binary: 10000001100100110000100100010100111100₂
• Hexadecimal: 0x2064C2453C
• Base-36: 1RWY21BW

Squares and roots of 139129406780

• 139129406780 squared (139129406780²) is 19356991830954709968400
• 139129406780 cubed (139129406780³) is 2693126790486034838950444545752000
• The square root of 139129406780 is 373000.5452811029
• The cube root of 139129406780 is 5181.7084993543

Scales and comparisons

• 139,129,406,780 seconds is equal to 4,423 years, 46 weeks, 1 hour, 26 minutes, 20 seconds.
• To count from 1 to 139,129,406,780 would take you about eight thousand, eight hundred forty-seven 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 139129406780 cubic inches would be around 431.8 feet tall.

Recreational maths with 139129406780

• 139129406780 backwards is 087604921931
• The number of decimal digits it has is: 12
• The sum of 139129406780's digits is 50
• More coming soon!