40209481728

Names of 40209481728

• Cardinal: 40209481728 can be written as Forty billion, two hundred nine million, four hundred eighty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0209481728 × 10¹⁰

Factors of 40209481728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 60

Divisors of 40209481728

• Number of divisors d(n): 608
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 23 24 26 27 32 36 38 39 46 48 52 54 57 64 69 72 76 78 92 96 104 108 114 117 128 138 144 152 156 171 184 192 207 208 216 228 234 247 256 276 288 299 304 312 342 351 368 384 414 416 432 437 456 468 494 512 513 552 576 598 608 621 624 684 702 736 741 768 828 832 864 874 897 912 936 988 1024 1026 1104 1152 1196 1216 1242 1248 1311 1368 1404 1472 1482 1536 1656 1664 1728 1748 1794 1824 1872 1976 2048 2052 2208 2223 2304 2392 2432 2484 2496 2622 2691 2736 2808 2944 2964 3072 3312 3328 3456 3496 3588 3648 3744 3933 3952 4096 4104 4416 4446 4608 4784 4864 4968 4992 5244 5382 5472 5616 5681 5888 5928 6144 6624 6656 6669 6912 6992 7176 7296 7488 7866 7904 8073 8192 8208 8832 8892 9216 9568 9728 9936 9984 10488 10764 10944 11232 11362 11776 11799 11856 12288 13248 13312 13338 13824 13984 14352 14592 14976 15732 15808 16146 16384 16416 17043 17664 17784 18432 19136 19456 19872 19968 20976 21528 21888 22464 22724 23552 23598 23712 24576 26496 26624 26676 27648 27968 28704 29184 29952 31464 31616 32292 32768 32832 34086 35328 35568 36864 38272 38912 39744 39936 41952 43056 43776 44928 45448 47104 47196 47424 49152 51129 52992 53248 53352 55296 55936 57408 58368 59904 62928 63232 64584 65536 65664 68172 70656 71136 73728 76544 77824 79488 79872 83904 86112 87552 89856 90896 94208 94392 94848 98304 102258 105984 106496 106704 110592 111872 114816 116736 119808 125856 126464 129168 131072 131328 136344 141312 142272 147456 153088 153387 155648 158976 159744 167808 172224 175104 179712 181792 188416 188784 189696 196608 204516 211968 212992 213408 221184 223744 229632 233472 239616 251712 252928 258336 262144 262656 272688 282624 284544 294912 306176 306774 311296 317952 319488 335616 344448 350208 359424 363584 376832 377568 379392 393216 409032 423936 425984 426816 442368 447488 459264 466944 479232 503424 505856 516672 525312 545376 565248 569088 589824 612352 613548 622592 635904 638976 671232 688896 700416 718848 727168 753664 755136 758784 786432 818064 847872 851968 853632 884736 894976 918528 933888 958464 1006848 1011712 1033344 1050624 1090752 1130496 1138176 1179648 1224704 1227096 1245184 1271808 1277952 1342464 1377792 1400832 1437696 1454336 1507328 1510272 1517568 1636128 1695744 1703936 1707264 1769472 1789952 1837056 1867776 1916928 2013696 2023424 2066688 2101248 2181504 2260992 2276352 2359296 2449408 2454192 2490368 2543616 2555904 2684928 2755584 2801664 2875392 2908672 3014656 3020544 3035136 3272256 3391488 3407872 3414528 3538944 3579904 3674112 3735552 3833856 4027392 4046848 4133376 4202496 4363008 4521984 4552704 4898816 4908384 4980736 5087232 5111808 5369856 5511168 5603328 5750784 5817344 6029312 6041088 6070272 6544512 6782976 6829056 7077888 7159808 7348224 7471104 7667712 8054784 8093696 8266752 8404992 8726016 9043968 9105408 9797632 9816768 10174464 10223616 10739712 11022336 11206656 11501568 11634688 12082176 12140544 13089024 13565952 13658112 14319616 14696448 14942208 15335424 16109568 16187392 16533504 16809984 17452032 18087936 18210816 19595264 19633536 20348928 21479424 22044672 22413312 23003136 23269376 24164352 24281088 26178048 27131904 27316224 28639232 29392896 30670848 32219136 32374784 33067008 33619968 34904064 36421632 39190528 39267072 40697856 42958848 44089344 44826624 46006272 46538752 48328704 48562176 52356096 54263808 54632448 57278464 58785792 64438272 64749568 66134016 67239936 69808128 72843264 78381056 78534144 81395712 85917696 88178688 92012544 93077504 96657408 97124352 104712192 109264896 114556928 117571584 128876544 132268032 134479872 139616256 145686528 157068288 162791424 171835392 176357376 186155008 193314816 194248704 209424384 218529792 235143168 257753088 264536064 279232512 291373056 314136576 343670784 352714752 372310016 386629632 418848768 437059584 515506176 529072128 558465024 582746112 628273152 705429504 744620032 773259264 837697536 874119168 1031012352 1058144256 1116930048 1256546304 1489240064 1546518528 1675395072 1748238336 2116288512 2233860096 2513092608 3093037056 3350790144 4467720192 5026185216 6701580288 10052370432 13403160576 20104740864 40209481728
• Sum of all divisors σ(n): 140928345600
• Sum of proper divisors (its aliquot sum) s(n): 100718863872
• 40209481728 is an abundant number, because the sum of its proper divisors (100718863872) is greater than itself. Its abundance is 60509382144

Bases of 40209481728

• Binary: 100101011100101011000000000000000000₂
• Hexadecimal: 0x95CAC0000
• Base-36: IGZOQO0

Squares and roots of 40209481728

• 40209481728 squared (40209481728²) is 1616802420834365865984
• 40209481728 cubed (40209481728³) is 65010787398325600802750544740352
• The square root of 40209481728 is 200523.0204440377
• The cube root of 40209481728 is 3425.9116468699

Scales and comparisons

• 40,209,481,728 seconds is equal to 1,278 years, 27 weeks, 6 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 40,209,481,728 would take you about two thousand, five hundred fifty-seven 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 40209481728 cubic inches would be around 285.5 feet tall.

Recreational maths with 40209481728

• 40209481728 backwards is 82718490204
• The number of decimal digits it has is: 11
• The sum of 40209481728's digits is 45
• More coming soon!