138910641408

Names of 138910641408

• Cardinal: 138910641408 can be written as One hundred thirty-eight billion, nine hundred ten million, six hundred forty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38910641408 × 10¹¹

Factors of 138910641408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4273

Divisors of 138910641408

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 128 132 144 154 168 176 192 193 198 224 231 252 256 264 288 308 336 352 384 386 396 448 462 504 528 576 579 616 672 693 704 768 772 792 896 924 1008 1056 1152 1158 1232 1344 1351 1386 1408 1544 1584 1737 1792 1848 2016 2112 2123 2304 2316 2464 2688 2702 2772 2816 3088 3168 3474 3696 4032 4053 4057 4224 4246 4632 4928 5376 5404 5544 6176 6336 6369 6948 7392 8064 8106 8114 8448 8492 9264 9856 10808 11088 12159 12171 12352 12672 12738 13896 14784 14861 16128 16212 16228 16984 18528 19107 19712 21616 22176 24318 24342 24704 25344 25476 27792 28399 29568 29722 32424 32456 33968 36513 37056 38214 43232 44352 44583 44627 48636 48684 49408 50952 55584 56798 59136 59444 64848 64912 67936 73026 74112 76428 85197 86464 88704 89166 89254 97272 97368 101904 111168 113596 118888 129696 129824 133749 133881 135872 146052 148224 152856 170394 172928 177408 178332 178508 194544 194736 203808 222336 227192 237776 255591 259392 259648 267498 267762 271744 292104 305712 312389 340788 345856 356664 357016 389088 389472 401643 407616 444672 454384 475552 511182 518784 519296 534996 535524 543488 584208 611424 624778 681576 713328 714032 778176 778944 783001 803286 815232 908768 937167 951104 1022364 1037568 1038592 1069992 1071048 1168416 1222848 1249556 1363152 1426656 1428064 1556352 1557888 1566002 1606572 1630464 1817536 1874334 1902208 2044728 2139984 2142096 2336832 2349003 2445696 2499112 2726304 2811501 2853312 2856128 3112704 3115776 3132004 3213144 3635072 3748668 3804416 4089456 4279968 4284192 4673664 4698006 4891392 4998224 5452608 5481007 5623002 5706624 5712256 6264008 6426288 7047009 7270144 7497336 8178912 8559936 8568384 8613011 9347328 9396012 9996448 10905216 10962014 11246004 11413248 11424512 12528016 12852576 14094018 14994672 16357824 16443021 17119872 17136768 17226022 18792024 19992896 21810432 21924028 22492008 25056032 25705152 25839033 28188036 29989344 32715648 32886042 34239744 34273536 34452044 37584048 39985792 43848056 44984016 49329063 50112064 51410304 51678066 56376072 59978688 60291077 65431296 65772084 68904088 75168096 77517099 79971584 87696112 89968032 98658126 100224128 102820608 103356132 112752144 119957376 120582154 131544168 137808176 150336192 155034198 175392224 179936064 180873231 197316252 200448256 206712264 225504288 239914752 241164308 263088336 275616352 300672384 310068396 350784448 359872128 361746462 394632504 413424528 451008576 482328616 526176672 542619693 551232704 601344768 620136792 701568896 719744256 723492924 789265008 826849056 902017152 964657232 1052353344 1085239386 1102465408 1240273584 1403137792 1446985848 1578530016 1653698112 1804034304 1929314464 2104706688 2170478772 2204930816 2480547168 2893971696 3157060032 3307396224 3858628928 4209413376 4340957544 4961094336 5787943392 6314120064 6614792448 7717257856 8681915088 9922188672 11575886784 12628240128 15434515712 17363830176 19844377344 23151773568 34727660352 46303547136 69455320704 138910641408
• Sum of all divisors σ(n): 502052643456
• Sum of proper divisors (its aliquot sum) s(n): 363142002048
• 138910641408 is an abundant number, because the sum of its proper divisors (363142002048) is greater than itself. Its abundance is 224231360640

Bases of 138910641408

• Binary: 10000001010111101110000010110100000000₂
• Hexadecimal: 0x2057B82D00
• Base-36: 1RTBT4W0

Squares and roots of 138910641408

• 138910641408 squared (138910641408²) is 19296166296381964222464
• 138910641408 cubed (138910641408³) is 2680442836945850479905382242189312
• The square root of 138910641408 is 372707.1791742141
• The cube root of 138910641408 is 5178.9911896811

Scales and comparisons

• 138,910,641,408 seconds is equal to 4,416 years, 48 weeks, 2 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 138,910,641,408 would take you about eight thousand, eight hundred thirty-three 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 138910641408 cubic inches would be around 431.6 feet tall.

Recreational maths with 138910641408

• 138910641408 backwards is 804146019831
• The number of decimal digits it has is: 12
• The sum of 138910641408's digits is 45
• More coming soon!