138354339840

Names of 138354339840

• Cardinal: 138354339840 can be written as One hundred thirty-eight billion, three hundred fifty-four million, three hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3835433984 × 10¹¹

Factors of 138354339840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 5205

Divisors of 138354339840

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 23 24 30 32 38 40 46 48 57 60 64 69 76 80 92 95 96 114 115 120 128 138 152 160 184 190 192 228 230 240 256 276 285 304 320 345 368 380 384 437 456 460 480 512 552 570 608 640 690 736 760 768 874 912 920 960 1024 1104 1140 1216 1280 1311 1380 1472 1520 1536 1748 1824 1840 1920 2048 2185 2208 2280 2432 2560 2622 2760 2944 3040 3072 3496 3648 3680 3840 4096 4370 4416 4560 4864 5120 5153 5244 5520 5888 6080 6144 6555 6992 7296 7360 7680 8740 8832 9120 9728 10240 10306 10488 11040 11776 12160 12288 13110 13984 14592 14720 15360 15459 17480 17664 18240 19456 20480 20612 20976 22080 23552 24320 25765 26220 27968 29184 29440 30720 30918 34960 35328 36480 38912 41224 41952 44160 47104 48640 51530 52440 55936 58368 58880 61440 61836 69920 70656 72960 77295 77824 82448 83904 88320 94208 97280 97907 103060 104880 111872 116736 117760 118519 123672 139840 141312 145920 154590 164896 167808 176640 194560 195814 206120 209760 223744 233472 235520 237038 247344 279680 282624 291840 293721 309180 329792 335616 353280 355557 389120 391628 412240 419520 447488 471040 474076 489535 494688 559360 583680 587442 592595 618360 659584 671232 706560 711114 783256 824480 839040 894976 948152 979070 989376 1118720 1167360 1174884 1185190 1236720 1319168 1342464 1413120 1422228 1468605 1566512 1648960 1678080 1777785 1789952 1896304 1958140 1978752 2237440 2251861 2349768 2370380 2473440 2638336 2684928 2844456 2937210 3133024 3297920 3356160 3555570 3792608 3916280 3957504 4474880 4503722 4699536 4740760 4946880 5276672 5369856 5688912 5874420 6266048 6595840 6712320 6755583 7111140 7585216 7832560 7915008 8949760 9007444 9399072 9481520 9893760 10553344 11259305 11377824 11748840 12532096 13191680 13424640 13511166 14222280 15170432 15665120 15830016 18014888 18798144 18963040 19787520 21106688 22518610 22755648 23497680 25064192 26383360 26849280 27022332 28444560 30340864 31330240 31660032 33777915 36029776 37596288 37926080 39575040 45037220 45511296 46995360 50128384 52766720 54044664 56889120 60681728 62660480 63320064 67555830 72059552 75192576 75852160 79150080 90074440 91022592 93990720 100256768 105533440 108089328 113778240 121363456 125320960 135111660 144119104 150385152 151704320 158300160 180148880 182045184 187981440 200513536 216178656 227556480 242726912 250641920 270223320 288238208 300770304 303408640 316600320 360297760 364090368 375962880 401027072 432357312 455112960 485453824 501283840 540446640 576476416 601540608 606817280 720595520 728180736 751925760 864714624 910225920 1002567680 1080893280 1152952832 1203081216 1213634560 1441191040 1456361472 1503851520 1729429248 1820451840 2005135360 2161786560 2305905664 2427269120 2882382080 3007703040 3458858496 3640903680 4323573120 4611811328 5764764160 6015406080 6917716992 7281807360 8647146240 9223622656 11529528320 13835433984 17294292480 23059056640 27670867968 34588584960 46118113280 69177169920 138354339840
• Sum of all divisors σ(n): 486333089280
• Sum of proper divisors (its aliquot sum) s(n): 347978749440
• 138354339840 is an abundant number, because the sum of its proper divisors (347978749440) is greater than itself. Its abundance is 209624409600

Bases of 138354339840

• Binary: 10000000110110100011111011000000000000₂
• Hexadecimal: 0x20368FB000
• Base-36: 1RK4LNUO

Squares and roots of 138354339840

• 138354339840 squared (138354339840²) is 19141923352562211225600
• 138354339840 cubed (138354339840³) is 2648368168711624306648525307904000
• The square root of 138354339840 is 371960.1320571871
• The cube root of 138354339840 is 5172.0684287195

Scales and comparisons

• 138,354,339,840 seconds is equal to 4,399 years, 12 weeks, 3 days, 9 hours, 4 minutes.
• To count from 1 to 138,354,339,840 would take you about eight thousand, seven hundred ninety-eight 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 138354339840 cubic inches would be around 431 feet tall.

Recreational maths with 138354339840

• 138354339840 backwards is 048933453831
• The number of decimal digits it has is: 12
• The sum of 138354339840's digits is 51
• More coming soon!