18394371072

Names of 18394371072

• Cardinal: 18394371072 can be written as Eighteen billion, three hundred ninety-four million, three hundred seventy-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8394371072 × 10¹⁰

Factors of 18394371072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 46

Divisors of 18394371072

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 23 24 28 32 33 36 42 44 46 48 49 56 63 64 66 69 72 77 84 88 92 96 98 99 112 126 128 132 138 144 147 154 161 168 176 184 192 196 198 207 224 231 252 253 256 264 276 288 294 308 322 336 343 352 368 384 392 396 414 441 448 462 483 504 506 512 528 529 539 552 576 588 616 644 672 686 693 704 736 759 768 784 792 828 882 896 924 966 1008 1012 1024 1029 1056 1058 1078 1104 1127 1152 1176 1232 1288 1344 1372 1386 1408 1449 1472 1518 1536 1568 1584 1587 1617 1656 1764 1771 1792 1848 1932 2016 2024 2058 2112 2116 2156 2208 2254 2277 2304 2352 2464 2576 2688 2744 2772 2816 2898 2944 3036 3072 3087 3136 3168 3174 3234 3312 3381 3528 3542 3584 3696 3703 3773 3864 4032 4048 4116 4224 4232 4312 4416 4508 4554 4608 4704 4761 4851 4928 5152 5313 5376 5488 5544 5632 5796 5819 5888 6072 6174 6272 6336 6348 6468 6624 6762 7056 7084 7168 7392 7406 7546 7728 7889 8064 8096 8232 8448 8464 8624 8832 9016 9108 9216 9408 9522 9702 9856 10143 10304 10626 10752 10976 11088 11109 11264 11319 11592 11638 11776 12144 12348 12397 12544 12672 12696 12936 13248 13524 14112 14168 14784 14812 15092 15456 15778 15939 16128 16192 16464 16896 16928 17248 17457 17664 18032 18216 18816 19044 19404 19712 20286 20608 21252 21504 21952 22176 22218 22638 23184 23276 23552 23667 24288 24696 24794 25088 25344 25392 25872 25921 26496 27048 28224 28336 29568 29624 30184 30912 31556 31878 32256 32384 32928 33327 33792 33856 33957 34496 34914 35328 36064 36432 37191 37632 38088 38808 39424 40572 40733 41216 42504 43904 44352 44436 45276 46368 46552 47334 48576 49392 49588 50176 50688 50784 51744 51842 52371 52992 54096 56448 56672 59136 59248 60368 61824 63112 63756 64512 64768 65856 66654 67712 67914 68992 69828 70656 71001 72128 72864 74382 75264 76176 77616 77763 78848 81144 81466 82432 85008 86779 87808 88704 88872 90552 92736 93104 94668 97152 98784 99176 101376 101568 103488 103684 104742 105984 108192 111573 112896 113344 118272 118496 120736 122199 123648 126224 127512 129536 131712 133308 135424 135828 137984 139656 142002 144256 145728 148764 150528 152352 155232 155526 162288 162932 164864 170016 173558 175616 177408 177744 181104 181447 185472 186208 189336 194304 197568 198352 203136 206976 207368 209484 211968 216384 223146 225792 226688 233289 236544 236992 241472 244398 247296 252448 255024 259072 260337 263424 266616 270848 271656 275968 279312 284004 285131 288512 291456 297528 304704 310464 311052 324576 325864 340032 347116 351232 354816 355488 362208 362894 366597 370944 372416 378672 388608 395136 396704 406272 413952 414736 418968 432768 446292 451584 453376 466578 473984 482944 488796 494592 504896 510048 520674 526848 533232 541696 543312 544341 551936 558624 568008 570262 577024 582912 595056 609408 620928 622104 649152 651728 680064 694232 709632 710976 724416 725788 733194 741888 744832 757344 777216 781011 790272 793408 812544 827904 829472 837936 855393 865536 892584 906752 933156 947968 965888 977592 1009792 1020096 1041348 1053696 1066464 1086624 1088682 1117248 1136016 1140524 1154048 1165824 1190112 1218816 1241856 1244208 1298304 1303456 1360128 1388464 1421952 1448832 1451576 1466388 1483776 1489664 1514688 1562022 1580544 1586816 1625088 1633023 1655808 1658944 1675872 1710786 1731072 1785168 1813504 1866312 1895936 1931776 1955184 1995917 2019584 2040192 2082696 2132928 2173248 2177364 2234496 2272032 2281048 2331648 2380224 2437632 2483712 2488416 2566179 2596608 2606912 2720256 2776928 2843904 2897664 2903152 2932776 2979328 3029376 3124044 3161088 3173632 3266046 3317888 3351744 3421572 3462144 3570336 3732624 3791872 3863552 3910368 3991834 4039168 4080384 4165392 4265856 4346496 4354728 4468992 4544064 4562096 4760448 4875264 4967424 4976832 5132358 5193216 5213824 5440512 5553856 5687808 5795328 5806304 5865552 5958656 5987751 6058752 6248088 6347264 6532092 6635776 6703488 6843144 7140672 7465248 7820736 7983668 8078336 8160768 8330784 8531712 8692992 8709456 8937984 9088128 9124192 9520896 9953664 10264716 10386432 10427648 11107712 11375616 11590656 11612608 11731104 11975502 12117504 12496176 12694528 13064184 13271552 13406976 13686288 14281344 14930496 15641472 15967336 16321536 16661568 17063424 17385984 17418912 17875968 17963253 18176256 18248384 19041792 19907328 20529432 20855296 22215424 23225216 23462208 23951004 24235008 24992352 26128368 26543104 26813952 27372576 28562688 29860992 31282944 31934672 33323136 34126848 34771968 34837824 35926506 36352512 36496768 38083584 39814656 41058864 41710592 44430848 46450432 46924416 47902008 49984704 52256736 53627904 54745152 57125376 59721984 62565888 63869344 66646272 69675648 71853012 72705024 72993536 79629312 82117728 88861696 92900864 93848832 95804016 99969408 104513472 109490304 114250752 119443968 125131776 127738688 133292544 139351296 143706024 145987072 164235456 185801728 187697664 191608032 199938816 209026944 218980608 238887936 255477376 266585088 278702592 287412048 291974144 328470912 375395328 383216064 399877632 418053888 437961216 510954752 557405184 574824096 656941824 766432128 799755264 836107776 875922432 1021909504 1149648192 1313883648 1532864256 1672215552 2043819008 2299296384 2627767296 3065728512 4598592768 6131457024 9197185536 18394371072
• Sum of all divisors σ(n): 70636238400
• Sum of proper divisors (its aliquot sum) s(n): 52241867328
• 18394371072 is an abundant number, because the sum of its proper divisors (52241867328) is greater than itself. Its abundance is 33847496256

Bases of 18394371072

• Binary: 10001001000011000111101010000000000₂
• Hexadecimal: 0x44863D400
• Base-36: 8G7J7K0

Squares and roots of 18394371072

• 18394371072 squared (18394371072²) is 338352887134430429184
• 18394371072 cubed (18394371072³) is 6223788559233248061778714165248
• The square root of 18394371072 is 135625.8495715327
• The cube root of 18394371072 is 2639.7430052863

Scales and comparisons

• 18,394,371,072 seconds is equal to 584 years, 45 weeks, 6 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,394,371,072 would take you about one thousand, one hundred sixty-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 18394371072 cubic inches would be around 220 feet tall.

Recreational maths with 18394371072

• 18394371072 backwards is 27017349381
• The number of decimal digits it has is: 11
• The sum of 18394371072's digits is 45
• More coming soon!