18519842432

Names of 18519842432

• Cardinal: 18519842432 can be written as Eighteen billion, five hundred nineteen million, eight hundred forty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8519842432 × 10¹⁰

Factors of 18519842432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 501

Divisors of 18519842432

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 31 32 34 49 52 56 62 64 68 91 98 104 112 119 124 128 136 182 196 208 217 221 224 238 248 272 364 392 403 416 431 434 442 448 476 496 527 544 637 728 784 806 832 833 862 868 884 896 952 992 1054 1088 1274 1456 1519 1547 1568 1612 1664 1666 1724 1736 1768 1904 1984 2108 2176 2548 2821 2912 3017 3038 3094 3136 3224 3332 3448 3472 3536 3689 3808 3968 4216 5096 5603 5642 5824 6034 6076 6188 6272 6448 6664 6851 6896 6944 7072 7327 7378 7616 8432 10192 10829 11206 11284 11648 12068 12152 12376 12896 13328 13361 13702 13792 13888 14144 14654 14756 15232 16864 19747 20384 21119 21658 22412 22568 24136 24304 24752 25792 25823 26656 26722 27404 27584 27776 28288 29308 29512 33728 39221 39494 40768 42238 43316 44824 45136 47957 48272 48608 49504 51289 51584 51646 53312 53444 54808 55168 58616 59024 67456 78442 78988 81536 84476 86632 89648 90272 93527 95251 95914 96544 97216 99008 102578 103292 106624 106888 109616 117232 118048 156884 157976 168952 173264 173693 179296 180544 187054 190502 191828 193088 194432 198016 205156 206584 213776 219232 227137 234464 236096 274547 313768 315952 335699 337904 346528 347386 358592 359023 361088 374108 381004 383656 386176 410312 413168 427552 438464 454274 468928 472192 549094 627536 631904 654689 666757 671398 675808 693056 694772 717184 718046 748216 762008 767312 820624 826336 855104 876928 908548 937856 1098188 1215851 1255072 1263808 1309378 1333514 1342796 1351616 1386112 1389544 1436092 1496432 1524016 1534624 1589959 1641248 1652672 1710208 1817096 2196376 2431702 2510144 2527616 2618756 2667028 2685592 2703232 2779088 2872184 2952781 2992864 3048032 3069248 3179918 3282496 3305344 3634192 4392752 4667299 4863404 5020288 5237512 5334056 5371184 5558176 5744368 5905562 5985728 6096064 6138496 6359836 6564992 7268384 8510957 8785504 9334598 9726808 10475024 10668112 10742368 11116352 11129713 11488736 11811124 11971456 12192128 12719672 14536768 17021914 17571008 18669196 19453616 20669467 20950048 21336224 21484736 22232704 22259426 22977472 23622248 25439344 29073536 34043828 35142016 37338392 38907232 41338934 41900096 42672448 42969472 44518852 45954944 47244496 50878688 68087656 74676784 77814464 82677868 83800192 85344896 89037704 94488992 101757376 136175312 144686269 149353568 155628928 165355736 178075408 188977984 203514752 272350624 289372538 298707136 330711472 356150816 377955968 544701248 578745076 597414272 661422944 712301632 1089402496 1157490152 1322845888 1424603264 2314980304 2645691776 4629960608 9259921216 18519842432
• Sum of all divisors σ(n): 50634823680
• Sum of proper divisors (its aliquot sum) s(n): 32114981248
• 18519842432 is an abundant number, because the sum of its proper divisors (32114981248) is greater than itself. Its abundance is 13595138816

Bases of 18519842432

• Binary: 10001001111110111100101111010000000₂
• Hexadecimal: 0x44FDE5E80
• Base-36: 8IA8HVK

Squares and roots of 18519842432

• 18519842432 squared (18519842432²) is 342984563706107674624
• 18519842432 cubed (18519842432³) is 6352020076445380090062404845568
• The square root of 18519842432 is 136087.6277697573
• The cube root of 18519842432 is 2645.7314658943

Scales and comparisons

• 18,519,842,432 seconds is equal to 588 years, 45 weeks, 3 days, 40 minutes, 32 seconds.
• To count from 1 to 18,519,842,432 would take you about one thousand, one hundred seventy-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 18519842432 cubic inches would be around 220.5 feet tall.

Recreational maths with 18519842432

• 18519842432 backwards is 23424891581
• The number of decimal digits it has is: 11
• The sum of 18519842432's digits is 47
• More coming soon!