138647438377280

Names of 138647438377280

• Cardinal: 138647438377280 can be written as One hundred thirty-eight trillion, six hundred forty-seven billion, four hundred thirty-eight million, three hundred seventy-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3864743837728 × 10¹⁴

Factors of 138647438377280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7492

Divisors of 138647438377280

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 157 160 196 224 245 280 314 320 343 392 448 490 560 628 686 784 785 980 1099 1120 1256 1372 1568 1570 1715 1960 2198 2240 2401 2512 2744 3136 3140 3430 3920 4396 4802 5024 5488 5495 6280 6860 7321 7693 7840 8792 9604 10048 10976 10990 12005 12560 13720 14642 15386 15680 17584 19208 21952 21980 24010 24649 25120 27440 29284 30772 35168 36605 38416 38465 43960 48020 49298 50240 51247 53851 54880 58568 61544 70336 73210 76832 76930 87920 96040 98596 102494 107702 109760 117136 123088 123245 146420 153664 153860 172543 175840 192080 197192 204988 215404 234272 246176 246490 256235 269255 292840 307720 345086 351680 358729 376957 384160 394384 409976 430808 468544 492352 492980 512470 538510 585680 615440 690172 717458 753914 768320 788768 819952 861616 862715 985960 1024940 1077020 1149397 1171360 1207801 1230880 1380344 1434916 1507828 1577536 1639904 1723232 1725430 1793645 1884785 1971920 2049880 2154040 2298794 2342720 2415602 2461760 2511103 2760688 2869832 3015656 3279808 3446464 3450860 3587290 3769570 3943840 4099760 4308080 4597588 4831204 5022206 5521376 5739664 5746985 6031312 6039005 6901720 7174580 7539140 7887680 8045779 8199520 8454607 8616160 9195176 9662408 10044412 11042752 11479328 11493970 12062624 12078010 12555515 13803440 14349160 15078280 16091558 16399040 16909214 17232320 17577721 18390352 19324816 20088824 22958656 22987940 24125248 24156020 25111030 27606880 28698320 30156560 32183116 33818428 35155442 36780704 38649632 40177648 40228895 42273035 45975880 48312040 50222060 55213760 56320453 57396640 59182249 60313120 64366232 67636856 70310884 73561408 77299264 80355296 80457790 84546070 87888605 91951760 96624080 100444120 112640906 114793280 118364498 120626240 128732464 135273712 140621768 160710592 160915580 169092140 175777210 180455329 183903520 193248160 200888240 225281812 236728996 257464928 270547424 281243536 281602265 295911245 321831160 338184280 351554420 360910658 367807040 386496320 394243171 401776480 450563624 473457992 514929856 541094848 562487072 563204530 591822490 643662320 676368560 703108840 721821316 788486342 803552960 901127248 902276645 946915984 1124974144 1126409060 1183644980 1263187303 1287324640 1352737120 1406217680 1443642632 1576972684 1802254496 1804553290 1893831968 1971215855 2252818120 2367289960 2526374606 2574649280 2705474240 2759702197 2812435360 2887285264 3153945368 3604508992 3609106580 3787663936 3942431710 4505636240 4734579920 5052749212 5519404394 5624870720 5774570528 6307890736 6315936515 7218213160 7884863420 8842311121 9011272480 9469159840 10105498424 11038808788 11549141056 12615781472 12631873030 13798510985 14436426320 15769726840 17684622242 18022544960 18938319680 20210996848 22077617576 25231562944 25263746060 27597021970 28872852640 31539453680 35369244484 40421993696 44155235152 44211555605 50527492120 55194043940 57745705280 61896177847 63078907360 70738488968 80843987392 88310470304 88423111210 101054984240 110388087880 123792355694 126157814720 141476977936 176620940608 176846222420 202109968480 220776175760 247584711388 282953955872 309480889235 353692444840 404219936960 433273244929 441552351520 495169422776 565907911744 618961778470 707384889680 866546489858 883104703040 990338845552 1237923556940 1414769779360 1733092979716 1980677691104 2166366224645 2475847113880 2829539558720 3466185959432 3961355382208 4332732449290 4951694227760 6932371918864 8665464898580 9903388455520 13864743837728 17330929797160 19806776911040 27729487675456 34661859594320 69323719188640 138647438377280
• Sum of all divisors σ(n): 387678798977148
• Sum of proper divisors (its aliquot sum) s(n): 249031360599868
• 138647438377280 is an abundant number, because the sum of its proper divisors (249031360599868) is greater than itself. Its abundance is 110383922222588

Bases of 138647438377280

• Binary: 11111100001100101011111010100000100000101000000₂
• Hexadecimal: 0x7E195F504140
• Base-36: 1D59R51EM8

Squares and roots of 138647438377280

• 138647438377280 squared (138647438377280²) is 19223112168581654959620198400
• 138647438377280 cubed (138647438377280³) is 2665235259812966312913820744377207652352000
• The square root of 138647438377280 is 11774864.6861558455
• The cube root of 138647438377280 is 51757.1813105529

Scales and comparisons

• 138,647,438,377,280 seconds is equal to 4,408,559 years, 35 weeks, 23 hours, 1 minute, 20 seconds.
• To count from 1 to 138,647,438,377,280 would take you about eleven million, twenty-one thousand, three hundred ninety-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 138647438377280 cubic inches would be around 4313.1 feet tall.

Recreational maths with 138647438377280

• 138647438377280 backwards is 082773834746831
• The number of decimal digits it has is: 15
• The sum of 138647438377280's digits is 71
• More coming soon!