138210677280

Names of 138210677280

• Cardinal: 138210677280 can be written as One hundred thirty-eight billion, two hundred ten million, six hundred seventy-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3821067728 × 10¹¹

Factors of 138210677280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 434337

Divisors of 138210677280

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 65 68 72 78 80 85 90 96 102 104 117 120 130 136 144 153 156 160 170 180 195 204 208 221 234 240 255 260 272 288 306 312 340 360 390 408 416 442 468 480 510 520 544 585 612 624 663 680 720 765 780 816 884 936 1020 1040 1105 1170 1224 1248 1326 1360 1440 1530 1560 1632 1768 1872 1989 2040 2080 2210 2340 2448 2652 2720 3060 3120 3315 3536 3744 3978 4080 4420 4680 4896 5304 6120 6240 6630 7072 7956 8160 8840 9360 9945 10608 12240 13260 15912 17680 18720 19890 21216 24480 26520 31824 35360 39780 53040 63648 79560 106080 159120 318240 434297 868594 1302891 1737188 2171485 2605782 3474376 3908673 4342970 5211564 5645861 6514455 6948752 7383049 7817346 8685940 10423128 11291722 13028910 13897504 14766098 15634692 16937583 17371880 19543365 20846256 22149147 22583444 26057820 28229305 29532196 31269384 33875166 34743760 36915245 39086730 41692512 44298294 45166888 50812749 52115640 56458610 59064392 62538768 66447441 67750332 69487520 73830490 78173460 84687915 88596588 90333776 95979637 101625498 104231280 110745735 112917220 118128784 125077536 132894882 135500664 147660980 156346920 169375830 177193176 180667552 191959274 203250996 208462560 221491470 225834440 236257568 254063745 265789764 271001328 287938911 295321960 312693840 332237205 338751660 354386352 383918548 406501992 442982940 451668880 479898185 508127490 531579528 542002656 575877822 590643920 625387680 664474410 677503320 708772704 767837096 813003984 863816733 885965880 903337760 959796370 1016254980 1063159056 1151755644 1181287840 1328948820 1355006640 1439694555 1535674192 1626007968 1727633466 1771931760 1919592740 2032509960 2126318112 2303511288 2657897640 2710013280 2879389110 3071348384 3455266932 3543863520 3839185480 4065019920 4319083665 4607022576 5315795280 5758778220 6910533864 7678370960 8130039840 8638167330 9214045152 10631590560 11517556440 13821067728 15356741920 17276334660 23035112880 27642135456 34552669320 46070225760 69105338640 138210677280
• Sum of all divisors σ(n): 537803373744
• Sum of proper divisors (its aliquot sum) s(n): 399592696464
• 138210677280 is an abundant number, because the sum of its proper divisors (399592696464) is greater than itself. Its abundance is 261382019184

Bases of 138210677280

• Binary: 10000000101101111111111001001000100000₂
• Hexadecimal: 0x202DFF9220
• Base-36: 1RHR2H40

Squares and roots of 138210677280

• 138210677280 squared (138210677280²) is 19102191314196308198400
• 138210677280 cubed (138210677280³) is 2640126799067205034976480612352000
• The square root of 138210677280 is 371766.9663646839
• The cube root of 138210677280 is 5170.2776406113

Scales and comparisons

• 138,210,677,280 seconds is equal to 4,394 years, 34 weeks, 6 days, 14 hours, 48 minutes.
• To count from 1 to 138,210,677,280 would take you about eight thousand, seven hundred eighty-nine 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 138210677280 cubic inches would be around 430.9 feet tall.

Recreational maths with 138210677280

• 138210677280 backwards is 082776012831
• 138210677280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138210677280's digits is 45
• More coming soon!