138445709199840

Names of 138445709199840

• Cardinal: 138445709199840 can be written as One hundred thirty-eight trillion, four hundred forty-five billion, seven hundred nine million, one hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3844570919984 × 10¹⁴

Factors of 138445709199840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 53564

Divisors of 138445709199840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 37 40 42 45 48 56 60 63 70 72 74 80 84 90 96 105 111 112 120 126 140 144 148 160 168 180 185 210 222 224 240 252 259 280 288 296 315 333 336 360 370 420 444 480 504 518 555 560 592 630 666 672 720 740 777 840 888 1008 1036 1110 1120 1184 1260 1295 1332 1440 1480 1554 1665 1680 1776 2016 2072 2220 2331 2520 2590 2664 2960 3108 3330 3360 3552 3885 4144 4440 4662 5040 5180 5328 5920 6216 6660 7770 8191 8288 8880 9324 10080 10360 10656 11655 12432 13320 15540 16382 17760 18648 20720 23310 24573 24864 26640 31080 32764 37296 40955 41440 45319 46620 49146 53280 57337 62160 65528 73719 74592 81910 90638 93240 98292 114674 122865 124320 131056 135957 147438 163820 172011 181276 186480 196584 226595 229348 245730 262112 271914 286685 294876 303067 317233 327640 344022 362552 368595 372960 393168 407871 453190 458696 491460 516033 543828 573370 589752 606134 634466 655280 679785 688044 725104 737190 786336 815742 860055 906380 909201 917392 951699 982920 1032066 1087656 1146740 1179504 1212268 1268932 1310560 1359570 1376088 1450208 1474380 1515335 1586165 1631484 1676803 1720110 1812760 1818402 1834784 1903398 1965840 2039355 2064132 2121469 2175312 2293480 2359008 2424536 2537864 2580165 2719140 2727603 2752176 2855097 2948760 3030670 3172330 3262968 3353606 3440220 3625520 3636804 3806796 3931680 4078710 4128264 4242938 4350624 4546005 4586960 4758495 4849072 5030409 5075728 5160330 5438280 5455206 5504352 5710194 5897520 6061340 6344660 6364407 6525936 6707212 6880440 7251040 7273608 7613592 8157420 8256528 8384015 8485876 9092010 9173920 9516990 9698144 10060818 10151456 10320660 10607345 10876560 10910412 11420388 11737621 11795040 12122680 12689320 12728814 13051872 13414424 13638015 13760880 14275485 14547216 15091227 15227184 16314840 16513056 16768030 16971752 18184020 19033980 19093221 20121636 20641320 21214690 21753120 21820824 22840776 23475242 24245360 25152045 25378640 25457628 26828848 27276030 27521760 28550970 29094432 30182454 30454368 31822035 32629680 33536060 33943504 35212863 36368040 38067960 38186442 40243272 41282640 42429380 43641648 45681552 46950484 48490720 50304090 50757280 50915256 53657696 54552060 57101940 58688105 60364908 63644070 65259360 67072120 67887008 70425726 72736080 75456135 76135920 76372884 80486544 82565280 84858760 87283296 91363104 93900968 95466105 100608180 101830512 105638589 109104120 114203880 117376210 120729816 127288140 134144240 140851452 145472160 150912270 152271840 152745768 160973088 169717520 176064315 187801936 190932210 201216360 203661024 211277178 218208240 228407760 234752420 241459632 254576280 268288480 281702904 301824540 305491536 339435040 352128630 371207929 375603872 381864420 402432720 422554356 436416480 456815520 469504840 482919264 509152560 528192945 563405808 603649080 610983072 704257260 742415858 763728840 804865440 845108712 939009680 1018305120 1056385890 1113623787 1126811616 1207298160 1408514520 1484831716 1527457680 1690217424 1856039645 1878019360 2112771780 2227247574 2414596320 2598455503 2817029040 2969663432 3054915360 3340871361 3380434848 3712079290 4225543560 4454495148 5196911006 5568118935 5634058080 5939326864 6681742722 7424158580 7795366509 8451087120 8908990296 10393822012 11136237870 11878653728 12992277515 13363485444 13734693373 14848317160 15590733018 16704356805 16902174240 17817980592 20787644024 22272475740 23386099527 25984555030 26726970888 27469386746 29696634320 31181466036 33408713610 35635961184 38976832545 41204080119 41575288048 44544951480 46772199054 51969110060 53453941776 54938773492 59393268640 62362932072 66817427220 68673466865 77953665090 82408160238 83150576096 89089902960 93544398108 96142853611 103938220120 106907883552 109877546984 116930497635 123612240357 124725864144 133634854440 137346933730 155907330180 164816320476 178179805920 187088796216 192285707222 206020400595 207876440240 219755093968 233860995270 247224480714 249451728288 267269708880 274693867460 288428560833 311814660360 329632640952 374177592432 384571414444 412040801190 415752880480 439510187936 467721990540 480714268055 494448961428 534539417760 549387734920 576857121666 618061201785 623629320720 659265281904 748355184864 769142828888 824081602380 865285682499 935443981080 961428536110 988897922856 1098775469840 1153714243332 1236122403570 1247258641440 1318530563808 1442142804165 1538285657776 1648163204760 1730571364998 1870887962160 1922857072220 1977795845712 2197550939680 2307428486664 2472244807140 2884285608330 3076571315552 3296326409520 3461142729996 3741775924320 3845714144440 3955591691424 4326428412495 4614856973328 4944489614280 5768571216660 6592652819040 6922285459992 7691428288880 8652856824990 9229713946656 9888979228560 11537142433320 13844570919984 15382856577760 17305713649980 19777958457120 23074284866640 27689141839968 34611427299960 46148569733280 69222854599920 138445709199840
• Sum of all divisors σ(n): 554611129712640
• Sum of proper divisors (its aliquot sum) s(n): 416165420512800
• 138445709199840 is an abundant number, because the sum of its proper divisors (416165420512800) is greater than itself. Its abundance is 277719711312960

Bases of 138445709199840

• Binary: 11111011110101001100111010100010100100111100000₂
• Hexadecimal: 0x7DEA675149E0
• Base-36: 1D2P2WP140

Squares and roots of 138445709199840

• 138445709199840 squared (138445709199840²) is 19167214395846662013056025600
• 138445709199840 cubed (138445709199840³) is 2653618590418373902546905657603266555904000
• The square root of 138445709199840 is 11766295.4747804969
• The cube root of 138445709199840 is 51732.0672475905

Scales and comparisons

• 138,445,709,199,840 seconds is equal to 4,402,145 years, 16 weeks, 1 day, 12 hours, 24 minutes.
• To count from 1 to 138,445,709,199,840 would take you about eleven million, five thousand, three hundred sixty-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 138445709199840 cubic inches would be around 4311 feet tall.

Recreational maths with 138445709199840

• 138445709199840 backwards is 048991907544831
• 138445709199840 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138445709199840's digits is 72
• More coming soon!