138531697500

Names of 138531697500

• Cardinal: 138531697500 can be written as One hundred thirty-eight billion, five hundred thirty-one million, six hundred ninety-seven thousand, five hundred.

Scientific notation

• Scientific notation: 1.385316975 × 10¹¹

Factors of 138531697500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 174

Divisors of 138531697500

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 49 50 60 70 75 84 98 100 105 125 140 147 150 157 175 196 210 245 250 294 300 314 343 350 375 420 471 490 500 525 588 625 628 686 700 735 750 785 875 942 980 1029 1050 1099 1225 1250 1372 1470 1500 1570 1715 1750 1875 1884 2058 2100 2198 2355 2401 2450 2500 2625 2940 3140 3297 3430 3500 3675 3750 3925 4116 4375 4396 4710 4802 4900 5145 5250 5495 6125 6594 6860 7203 7350 7500 7693 7850 8575 8750 9420 9604 10290 10500 10990 11775 12005 12250 13125 13188 14406 14700 15386 15700 16485 16807 17150 17500 18375 19625 20580 21980 23079 23550 24010 24500 25725 26250 27475 28812 30625 30772 32970 33614 34300 36015 36750 38465 39250 42875 46158 47100 48020 50421 51450 52500 53851 54950 58875 60025 61250 65940 67228 72030 73500 76930 78500 82425 84035 85750 91875 92316 98125 100842 102900 107702 109900 115395 117649 117750 120050 122500 128625 137375 144060 153860 161553 164850 168070 171500 180075 183750 192325 196250 201684 214375 215404 230790 235298 235500 240100 252105 257250 269255 274750 294375 300125 323106 329700 336140 352947 360150 367500 376957 384650 392500 412125 420175 428750 461580 470596 504210 514500 538510 549500 576975 588245 588750 600250 643125 646212 686875 705894 720300 753914 769300 807765 824250 840350 857500 900375 961625 1008420 1077020 1130871 1153950 1176490 1177500 1200500 1260525 1286250 1346275 1373750 1411788 1500625 1507828 1615530 1648500 1680700 1764735 1800750 1884785 1923250 2060625 2100875 2261742 2307900 2352980 2521050 2572500 2638699 2692550 2747500 2884875 2941225 3001250 3231060 3529470 3601500 3769570 3846500 4038825 4121250 4201750 4501875 4523484 4808125 5042100 5277398 5385100 5654355 5769750 5882450 6002500 6302625 6731375 7058940 7539140 7916097 8077650 8242500 8403500 8823675 9003750 9423925 9616250 10504375 10554796 11308710 11539500 11764900 12605250 13193495 13462750 14424375 14706125 15832194 16155300 17647350 18007500 18470893 18847850 19232500 20194125 21008750 22617420 25210500 26386990 26925500 28271775 28848750 29412250 31513125 31664388 33656875 35294700 36941786 37695700 39580485 40388250 42017500 44118375 47119625 52773980 55412679 56543550 57697500 58824500 63026250 65967475 67313750 73530625 73883572 79160970 80776500 88236750 92354465 94239250 100970625 110825358 113087100 126052500 131934950 134627500 141358875 147061250 158321940 176473500 184708930 188478500 197902425 201941250 220591875 221650716 235598125 263869900 277063395 282717750 294122500 329837375 369417860 395804850 403882500 441183750 461772325 471196250 554126790 565435500 659674750 706794375 791609700 882367500 923544650 942392500 989512125 1108253580 1319349500 1385316975 1413588750 1649186875 1847089300 1979024250 2308861625 2770633950 2827177500 3298373750 3958048500 4617723250 4947560625 5541267900 6596747500 6926584875 9235446500 9895121250 11544308125 13853169750 19790242500 23088616250 27706339500 34632924375 46177232500 69265848750 138531697500
• Sum of all divisors σ(n): 474242700008
• Sum of proper divisors (its aliquot sum) s(n): 335711002508
• 138531697500 is an abundant number, because the sum of its proper divisors (335711002508) is greater than itself. Its abundance is 197179305008

Bases of 138531697500

• Binary: 10000001000001001000011111001101011100₂
• Hexadecimal: 0x204121F35C
• Base-36: 1RN271WC

Squares and roots of 138531697500

• 138531697500 squared (138531697500²) is 19191031212231506250000
• 138531697500 cubed (138531697500³) is 2658566130605913323794359375000000
• The square root of 138531697500 is 372198.4652037137
• The cube root of 138531697500 is 5174.2775252233

Scales and comparisons

• 138,531,697,500 seconds is equal to 4,404 years, 45 weeks, 5 days, 3 hours, 5 minutes.
• To count from 1 to 138,531,697,500 would take you about eight thousand, eight hundred 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 138531697500 cubic inches would be around 431.2 feet tall.

Recreational maths with 138531697500

• 138531697500 backwards is 005796135831
• The number of decimal digits it has is: 12
• The sum of 138531697500's digits is 48
• More coming soon!