40006686720

Names of 40006686720

• Cardinal: 40006686720 can be written as Forty billion, six million, six hundred eighty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.000668672 × 10¹⁰

Factors of 40006686720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1342

Divisors of 40006686720

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 26 28 30 32 33 35 39 40 42 44 48 52 55 56 60 64 65 66 70 77 78 80 84 88 91 96 104 105 110 112 120 128 130 132 140 143 154 156 160 165 168 176 182 192 195 208 210 220 224 231 240 256 260 264 273 280 286 308 312 320 330 336 352 364 384 385 390 416 420 429 440 448 455 462 480 512 520 528 546 560 572 616 624 640 660 672 704 715 728 768 770 780 832 840 858 880 896 910 924 960 1001 1024 1040 1056 1092 1120 1144 1155 1232 1248 1280 1301 1320 1344 1365 1408 1430 1456 1536 1540 1560 1664 1680 1716 1760 1792 1820 1848 1920 2002 2048 2080 2112 2145 2184 2240 2288 2310 2464 2496 2560 2602 2640 2688 2730 2816 2860 2912 3003 3072 3080 3120 3328 3360 3432 3520 3584 3640 3696 3840 3903 4004 4160 4224 4290 4368 4480 4576 4620 4928 4992 5005 5120 5204 5280 5376 5460 5632 5720 5824 6006 6144 6160 6240 6505 6656 6720 6864 7040 7168 7280 7392 7680 7806 8008 8320 8448 8580 8736 8960 9107 9152 9240 9856 9984 10010 10240 10408 10560 10752 10920 11264 11440 11648 12012 12320 12480 13010 13312 13440 13728 14080 14311 14336 14560 14784 15015 15360 15612 16016 16640 16896 16913 17160 17472 17920 18214 18304 18480 19515 19712 19968 20020 20816 21120 21504 21840 22528 22880 23296 24024 24640 24960 26020 26624 26880 27321 27456 28160 28622 29120 29568 30030 30720 31224 32032 33280 33792 33826 34320 34944 35840 36428 36608 36960 39030 39424 39936 40040 41632 42240 42933 43008 43680 45535 45760 46592 48048 49280 49920 50739 52040 53760 54642 54912 56320 57244 58240 59136 60060 62448 64064 66560 67584 67652 68640 69888 71555 71680 72856 73216 73920 78060 78848 79872 80080 83264 84480 84565 85866 87360 91070 91520 93184 96096 98560 99840 100177 101478 104080 107520 109284 109824 112640 114488 116480 118272 118391 120120 124896 128128 133120 135304 136605 137280 139776 143110 145712 146432 147840 156120 157696 160160 166528 168960 169130 171732 174720 182140 183040 186043 186368 192192 197120 199680 200354 202956 208160 214665 215040 218568 219648 228976 232960 236544 236782 240240 249792 253695 256256 270608 273210 274560 279552 286220 291424 292864 295680 300531 312240 320320 333056 337920 338260 343464 349440 355173 364280 366080 372086 384384 394240 399360 400708 405912 416320 429330 437136 439296 457952 465920 473088 473564 480480 499584 500885 507390 512512 541216 546420 549120 558129 559104 572440 582848 591360 591955 601062 624480 640640 666112 676520 686928 698880 710346 728560 732160 744172 768768 788480 801416 811824 832640 858660 874272 878592 915904 930215 931840 947128 960960 999168 1001770 1014780 1025024 1082432 1092840 1098240 1116258 1144880 1165696 1182720 1183910 1202124 1248960 1281280 1302301 1332224 1353040 1373856 1397760 1420692 1457120 1464320 1488344 1502655 1537536 1602832 1623648 1665280 1717320 1748544 1775865 1831808 1860430 1894256 1921920 1998336 2003540 2029560 2050048 2164864 2185680 2196480 2232516 2289760 2331392 2365440 2367820 2404248 2497920 2562560 2604602 2664448 2706080 2747712 2790645 2795520 2841384 2914240 2976688 3005310 3075072 3205664 3247296 3330560 3434640 3497088 3551730 3663616 3720860 3788512 3843840 3906903 3996672 4007080 4059120 4329728 4371360 4392960 4465032 4579520 4662784 4735640 4808496 4995840 5125120 5209204 5412160 5495424 5581290 5682768 5828480 5953376 6010620 6150144 6411328 6494592 6511505 6661120 6869280 6994176 7103460 7327232 7441720 7577024 7687680 7813806 7993344 8014160 8118240 8659456 8742720 8930064 9159040 9325568 9471280 9616992 9991680 10250240 10418408 10824320 10990848 11162580 11365536 11656960 11906752 12021240 12822656 12989184 13023010 13322240 13738560 13988352 14206920 14654464 14883440 15154048 15375360 15627612 16028320 16236480 17318912 17485440 17860128 18318080 18651136 18942560 19233984 19534515 19983360 20836816 21648640 21981696 22325160 22731072 23313920 23813504 24042480 25645312 25978368 26046020 27477120 27976704 28413840 29308928 29766880 30308096 30750720 31255224 32056640 32472960 34637824 34970880 35720256 36636160 37885120 38467968 39069030 39966720 41673632 43297280 43963392 44650320 45462144 46627840 47627008 48084960 51290624 51956736 52092040 54954240 55953408 56827680 59533760 60616192 62510448 64113280 64945920 69941760 71440512 73272320 75770240 76935936 78138060 83347264 86594560 87926784 89300640 90924288 93255680 95254016 96169920 102581248 103913472 104184080 109908480 113655360 119067520 121232384 125020896 128226560 129891840 139883520 142881024 146544640 151540480 153871872 156276120 166694528 173189120 178601280 181848576 190508032 192339840 205162496 208368160 219816960 227310720 238135040 242464768 250041792 256453120 259783680 279767040 285762048 303080960 307743744 312552240 333389056 357202560 363697152 381016064 384679680 416736320 439633920 454621440 476270080 500083584 512906240 519567360 571524096 606161920 615487488 625104480 666778112 714405120 727394304 769359360 833472640 909242880 952540160 1000167168 1025812480 1143048192 1212323840 1250208960 1333556224 1428810240 1538718720 1666945280 1818485760 1905080320 2000334336 2500417920 2667112448 2857620480 3077437440 3333890560 3636971520 4000668672 5000835840 5715240960 6667781120 8001337344 10001671680 13335562240 20003343360 40006686720
• Sum of all divisors σ(n): 171978992640
• Sum of proper divisors (its aliquot sum) s(n): 131972305920
• 40006686720 is an abundant number, because the sum of its proper divisors (131972305920) is greater than itself. Its abundance is 91965619200

Bases of 40006686720

• Binary: 100101010000100101011001100000000000₂
• Hexadecimal: 0x950959800
• Base-36: IDMY51C

Squares and roots of 40006686720

• 40006686720 squared (40006686720²) is 1600534982312224358400
• 40006686720 cubed (40006686720³) is 64032101621765901132861800448000
• The square root of 40006686720 is 200016.7161014299
• The cube root of 40006686720 is 3420.1424515747

Scales and comparisons

• 40,006,686,720 seconds is equal to 1,272 years, 4 weeks, 4 days, 8 hours, 32 minutes.
• To count from 1 to 40,006,686,720 would take you about two thousand, five hundred forty-four 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 40006686720 cubic inches would be around 285 feet tall.

Recreational maths with 40006686720

• 40006686720 backwards is 02768660004
• 40006686720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40006686720's digits is 39
• More coming soon!