138013409280

Names of 138013409280

• Cardinal: 138013409280 can be written as One hundred thirty-eight billion, thirteen million, four hundred nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3801340928 × 10¹¹

Factors of 138013409280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 309

Divisors of 138013409280

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 83 85 96 102 120 128 136 160 166 170 192 199 204 240 249 255 256 272 320 332 340 384 398 408 415 480 498 510 512 544 597 640 664 680 768 796 816 830 960 995 996 1020 1024 1088 1194 1245 1280 1328 1360 1411 1536 1592 1632 1660 1920 1990 1992 2040 2048 2176 2388 2490 2560 2656 2720 2822 2985 3072 3184 3264 3320 3383 3840 3980 3984 4080 4096 4233 4352 4776 4980 5120 5312 5440 5644 5970 6144 6368 6528 6640 6766 7055 7680 7960 7968 8160 8192 8466 8704 9552 9960 10149 10240 10624 10880 11288 11940 12288 12736 13056 13280 13532 14110 15360 15920 15936 16320 16384 16517 16915 16932 17408 19104 19920 20298 20480 21165 21248 21760 22576 23880 24576 25472 26112 26560 27064 28220 30720 31840 31872 32640 32768 33034 33830 33864 34816 38208 39840 40596 40960 42330 42496 43520 45152 47760 49152 49551 50745 50944 52224 53120 54128 56440 61440 63680 63744 65280 66068 67660 67728 69632 76416 79680 81192 81920 82585 84660 84992 87040 90304 95520 98304 99102 101490 101888 104448 106240 108256 112880 122880 127360 127488 130560 132136 135320 135456 139264 152832 159360 162384 163840 165170 169320 169984 174080 180608 191040 198204 202980 203776 208896 212480 216512 225760 245760 247755 254720 254976 261120 264272 270640 270912 278528 280789 305664 318720 324768 330340 338640 339968 348160 361216 382080 396408 405960 407552 417792 424960 433024 451520 491520 495510 509440 509952 522240 528544 541280 541824 557056 561578 611328 637440 649536 660680 677280 679936 696320 722432 764160 792816 811920 815104 835584 842367 849920 866048 903040 991020 1018880 1019904 1044480 1057088 1082560 1083648 1123156 1222656 1274880 1299072 1321360 1354560 1359872 1392640 1403945 1444864 1528320 1585632 1623840 1630208 1671168 1684734 1699840 1732096 1806080 1982040 2037760 2039808 2088960 2114176 2165120 2167296 2246312 2445312 2549760 2598144 2642720 2709120 2719744 2785280 2807890 2889728 3056640 3171264 3247680 3260416 3369468 3399680 3464192 3612160 3964080 4075520 4079616 4177920 4211835 4228352 4330240 4334592 4492624 4890624 5099520 5196288 5285440 5418240 5615780 5779456 6113280 6342528 6495360 6520832 6738936 6799360 6928384 7224320 7928160 8151040 8159232 8355840 8423670 8456704 8660480 8669184 8985248 9781248 10199040 10392576 10570880 10836480 11231560 11558912 12226560 12685056 12990720 13477872 13598720 13856768 14448640 15856320 16302080 16847340 16913408 17320960 17338368 17970496 19562496 20398080 20785152 21141760 21672960 22463120 23117824 24453120 25370112 25981440 26955744 27713536 28897280 31712640 32604160 33694680 33826816 34641920 34676736 35940992 40796160 41570304 42283520 43345920 44926240 46235648 48906240 50740224 51962880 53911488 55427072 57794560 63425280 67389360 67653632 69283840 69353472 71881984 83140608 84567040 86691840 89852480 97812480 101480448 103925760 107822976 110854144 115589120 126850560 134778720 135307264 138567680 138706944 143763968 166281216 169134080 173383680 179704960 202960896 207851520 215645952 231178240 253701120 269557440 270614528 277135360 287527936 332562432 338268160 346767360 359409920 405921792 415703040 431291904 507402240 539114880 541229056 554270720 575055872 676536320 693534720 718819840 811843584 831406080 862583808 1014804480 1078229760 1150111744 1353072640 1437639680 1623687168 1662812160 1725167616 2029608960 2156459520 2300223488 2706145280 2875279360 3450335232 4059217920 4312919040 4600446976 5750558720 6900670464 8118435840 8625838080 9200893952 11501117440 13801340928 17251676160 23002234880 27602681856 34503352320 46004469760 69006704640 138013409280
• Sum of all divisors σ(n): 475626816000
• Sum of proper divisors (its aliquot sum) s(n): 337613406720
• 138013409280 is an abundant number, because the sum of its proper divisors (337613406720) is greater than itself. Its abundance is 199599997440

Bases of 138013409280

• Binary: 10000000100010001111011000000000000000₂
• Hexadecimal: 0x20223D8000
• Base-36: 1REHMC5C

Squares and roots of 138013409280

• 138013409280 squared (138013409280²) is 19047701141088790118400
• 138013409280 cubed (138013409280³) is 2628838173428210215430758858752000
• The square root of 138013409280 is 371501.5602659025
• The cube root of 138013409280 is 5167.8166248551

Scales and comparisons

• 138,013,409,280 seconds is equal to 4,388 years, 20 weeks, 5 days, 10 hours, 8 minutes.
• To count from 1 to 138,013,409,280 would take you about eight thousand, seven hundred seventy-six 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 138013409280 cubic inches would be around 430.7 feet tall.

Recreational maths with 138013409280

• 138013409280 backwards is 082904310831
• The number of decimal digits it has is: 12
• The sum of 138013409280's digits is 39
• More coming soon!