40138136640

Names of 40138136640

• Cardinal: 40138136640 can be written as Forty billion, one hundred thirty-eight million, one hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.013813664 × 10¹⁰

Factors of 40138136640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 462

Divisors of 40138136640

• Number of divisors d(n): 672
• 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 40 42 45 48 56 60 61 63 64 70 72 80 84 90 96 105 112 120 122 126 127 140 144 160 168 180 183 192 210 224 240 244 252 254 257 280 288 305 315 320 336 360 366 381 420 427 448 480 488 504 508 514 549 560 576 610 630 635 672 720 732 762 771 840 854 889 915 960 976 1008 1016 1028 1098 1120 1143 1220 1260 1270 1281 1285 1344 1440 1464 1524 1542 1680 1708 1778 1799 1830 1905 1952 2016 2032 2056 2135 2196 2240 2286 2313 2440 2520 2540 2562 2570 2667 2745 2880 2928 3048 3084 3360 3416 3556 3598 3660 3810 3843 3855 3904 4032 4064 4112 4270 4392 4445 4572 4626 4880 5040 5080 5124 5140 5334 5397 5490 5715 5856 6096 6168 6405 6720 6832 7112 7196 7320 7620 7686 7710 7747 8001 8128 8224 8540 8784 8890 8995 9144 9252 9760 10080 10160 10248 10280 10668 10794 10980 11430 11565 11712 12192 12336 12810 13335 13664 14224 14392 14640 15240 15372 15420 15494 15677 16002 16191 16448 17080 17568 17780 17990 18288 18504 19215 19520 20160 20320 20496 20560 21336 21588 21960 22860 23130 23241 24384 24672 25620 26670 26985 27328 28448 28784 29280 30480 30744 30840 30988 31354 32004 32382 32639 34160 35136 35560 35980 36576 37008 38430 38735 40005 40640 40992 41120 42672 43176 43920 45720 46260 46482 47031 49344 51240 53340 53970 54229 56896 57568 58560 60960 61488 61680 61976 62708 64008 64764 65278 68320 69723 71120 71960 73152 74016 76860 77470 78385 80010 80955 81984 82240 85344 86352 87840 91440 92520 92964 94062 97917 102480 106680 107940 108458 109739 115136 116205 121920 122976 123360 123952 125416 128016 129528 130556 136640 139446 141093 142240 143920 148032 153720 154940 156770 160020 161910 162687 163195 170688 172704 175680 182880 185040 185928 188124 195834 204960 213360 215880 216916 219478 228473 232410 235155 245952 246720 247904 250832 256032 259056 261112 271145 278892 282186 284480 287840 293751 307440 309880 313540 320040 323820 325374 326390 329217 345408 348615 365760 370080 371856 376248 391668 409920 426720 431760 433832 438956 456946 464820 470310 488061 489585 495808 501664 512064 518112 522224 542290 548695 557784 564372 575680 587502 614880 619760 627080 640080 647640 650748 652780 658434 685419 697230 705465 740160 743712 752496 783336 813435 853440 863520 867664 877912 913892 929640 940620 976122 979170 987651 1003328 1036224 1044448 1084580 1097390 1115568 1128744 1142365 1175004 1229760 1239520 1254160 1280160 1295280 1301496 1305560 1316868 1370838 1394460 1410930 1468755 1487424 1504992 1566672 1626870 1646085 1727040 1735328 1755824 1827784 1859280 1881240 1952244 1958340 1975302 1990979 2056257 2088896 2169160 2194780 2231136 2257488 2284730 2350008 2440305 2479040 2508320 2560320 2590560 2602992 2611120 2633736 2741676 2788920 2821860 2937510 3009984 3133344 3253740 3292170 3427095 3470656 3511648 3655568 3718560 3762480 3904488 3916680 3950604 3981958 4112514 4338320 4389560 4462272 4514976 4569460 4700016 4880610 4938255 5016640 5181120 5205984 5222240 5267472 5483352 5577840 5643720 5875020 5972937 6266688 6507480 6584340 6854190 7023296 7311136 7437120 7524960 7808976 7833360 7901208 7963916 8225028 8676640 8779120 9029952 9138920 9400032 9761220 9876510 9954895 10281285 10411968 10444480 10534944 10966704 11155680 11287440 11750040 11945874 13014960 13168680 13708380 13936853 14622272 15049920 15617952 15666720 15802416 15927832 16450056 17353280 17558240 17918811 18277840 18800064 19522440 19753020 19909790 20562570 21069888 21933408 22311360 22574880 23500080 23891748 26029920 26337360 27416760 27873706 29864685 31235904 31333440 31604832 31855664 32900112 35116480 35837622 36555680 39044880 39506040 39819580 41125140 41810559 43866816 45149760 47000160 47783496 52059840 52674720 54833520 55747412 59729370 63209664 63711328 65800224 69684265 71675244 73111360 78089760 79012080 79639160 82250280 83621118 89594055 94000320 95566992 105349440 109667040 111494824 119458740 125431677 127422656 131600448 139368530 143350488 156179520 158024160 159278320 164500560 167242236 179188110 191133984 209052795 219334080 222989648 238917480 250863354 278737060 286700976 316048320 318556640 329001120 334484472 358376220 382267968 418105590 445979296 477834960 501726708 557474120 573401952 627158385 637113280 658002240 668968944 716752440 836211180 891958592 955669920 1003453416 1114948240 1146803904 1254316770 1337937888 1433504880 1672422360 1911339840 2006906832 2229896480 2508633540 2675875776 2867009760 3344844720 4013813664 4459792960 5017267080 5734019520 6689689440 8027627328 10034534160 13379378880 20069068320 40138136640
• Sum of all divisors σ(n): 162259329024
• Sum of proper divisors (its aliquot sum) s(n): 122121192384
• 40138136640 is an abundant number, because the sum of its proper divisors (122121192384) is greater than itself. Its abundance is 81983055744

Bases of 40138136640

• Binary: 100101011000011010110101110001000000₂
• Hexadecimal: 0x9586B5C40
• Base-36: IFT7KG0

Squares and roots of 40138136640

• 40138136640 squared (40138136640²) is 1611070012931310489600
• 40138136640 cubed (40138136640³) is 64665348315643507365830098944000
• The square root of 40138136640 is 200345.0439616615
• The cube root of 40138136640 is 3423.8842090433

Scales and comparisons

• 40,138,136,640 seconds is equal to 1,276 years, 13 weeks, 6 days, 18 hours, 24 minutes.
• To count from 1 to 40,138,136,640 would take you about two thousand, five hundred fifty-two 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 40138136640 cubic inches would be around 285.3 feet tall.

Recreational maths with 40138136640

• 40138136640 backwards is 04663183104
• 40138136640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40138136640's digits is 36
• More coming soon!