2139108181920

Names of 2139108181920

• Cardinal: 2139108181920 can be written as Two trillion, one hundred thirty-nine billion, one hundred eight million, one hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.13910818192 × 10¹²

Factors of 2139108181920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2966

Divisors of 2139108181920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 59 60 72 80 90 96 108 118 120 135 144 160 177 180 216 236 240 270 288 295 354 360 432 472 480 531 540 590 708 720 864 885 944 1062 1080 1180 1416 1440 1593 1770 1888 2124 2160 2360 2655 2832 2897 3186 3540 4248 4320 4720 5310 5664 5794 6372 7080 7965 8496 8691 9440 10620 11588 12744 14160 14485 15930 16992 17382 21240 23176 25488 26073 28320 28970 31860 34764 42480 43455 46352 50976 52146 57940 63720 69528 78219 84960 86910 92704 104292 115880 127440 130365 139056 156438 170923 173820 208584 231760 254880 260730 278112 312876 341846 347640 391095 417168 463520 512769 521460 625752 683692 695280 782190 834336 854615 1025538 1042920 1251504 1367384 1390560 1538307 1564380 1709230 2051076 2085840 2503008 2563845 2734768 3076614 3128760 3418460 4102152 4171680 4614921 5127690 5469536 6153228 6257520 6836920 7691535 8204304 8392609 9229842 10255380 12306456 12515040 13673840 15383070 16408608 16785218 18459684 20510760 23074605 24612912 25177827 27347680 30766140 33570436 36919368 41021520 41963045 46149210 49225824 50355654 61532280 67140872 73838736 75533481 82043040 83926090 92298420 100711308 123064560 125889135 134281744 147677472 151066962 167852180 184596840 201422616 226600443 246129120 251778270 268563488 302133924 335704360 369193680 377667405 402845232 453200886 495163931 503556540 604267848 671408720 738387360 755334810 805690464 906401772 990327862 1007113080 1133002215 1208535696 1342817440 1485491793 1510669620 1812803544 1980655724 2014226160 2266004430 2417071392 2475819655 2970983586 3021339240 3625607088 3961311448 4028452320 4456475379 4532008860 4951639310 5941967172 6042678480 7251214176 7427458965 7922622896 8912950758 9064017720 9903278620 11883934344 12085356960 13369426137 14854917930 15845245792 17825901516 18128035440 19806557240 22282376895 23767868688 26738852274 29709835860 35651803032 36256070880 39613114480 44564753790 47535737376 53477704548 59419671720 66847130685 71303606064 79226228960 89129507580 106955409096 118839343440 133694261370 142607212128 178259015160 213910818192 237678686880 267388522740 356518030320 427821636384 534777045480 713036060640 1069554090960 2139108181920
• Sum of all divisors σ(n): 7616403950400
• Sum of proper divisors (its aliquot sum) s(n): 5477295768480
• 2139108181920 is an abundant number, because the sum of its proper divisors (5477295768480) is greater than itself. Its abundance is 3338187586560

Bases of 2139108181920

• Binary: 11111001000001100110010001000011110100000₂
• Hexadecimal: 0x1F20CC887A0
• Base-36: RAOXS4O0

Squares and roots of 2139108181920

• 2139108181920 squared (2139108181920²) is 4575783813957087814886400
• 2139108181920 cubed (2139108181920³) is 9788096595132709636599432615333888000
• The square root of 2139108181920 is 1462569.0349245057
• The cube root of 2139108181920 is 12884.7970689605

Scales and comparisons

• 2,139,108,181,920 seconds is equal to 68,017 years, 1 week, 1 day, 13 hours, 12 minutes.
• To count from 1 to 2,139,108,181,920 would take you about one hundred seventy thousand and forty-two 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 2139108181920 cubic inches would be around 1073.7 feet tall.

Recreational maths with 2139108181920

• 2139108181920 backwards is 0291818019312
• 2139108181920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 2139108181920's digits is 45
• More coming soon!