19478735172

Names of 19478735172

• Cardinal: 19478735172 can be written as Nineteen billion, four hundred seventy-eight million, seven hundred thirty-five thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.9478735172 × 10¹⁰

Factors of 19478735172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 116

Divisors of 19478735172

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 27 36 38 39 52 54 57 76 78 79 81 108 114 117 156 158 162 169 171 228 234 237 243 247 316 324 338 342 351 468 474 486 494 507 513 676 684 702 711 741 948 972 988 1014 1026 1027 1053 1404 1422 1482 1501 1521 1539 2028 2052 2054 2106 2133 2223 2844 2964 3002 3042 3078 3081 3159 3211 4108 4212 4266 4446 4503 4563 4617 6004 6084 6156 6162 6241 6318 6399 6422 6669 8532 8892 9006 9126 9234 9243 9633 12324 12482 12636 12798 12844 13338 13351 13509 13689 18012 18252 18468 18486 18723 19197 19266 19513 20007 24964 25596 26676 26702 27018 27378 27729 28899 36972 37446 38394 38532 39026 40014 40053 40527 41067 53404 54036 54756 55458 56169 57798 58539 60021 74892 76788 78052 80028 80106 81054 81133 82134 83187 86697 110916 112338 115596 117078 118579 120042 120159 121581 160212 162108 162266 164268 166374 168507 173394 175617 224676 234156 237158 240084 240318 243162 243399 249561 253669 260091 324532 332748 337014 346788 351234 355737 360477 364743 474316 480636 486324 486798 499122 505521 507338 520182 526851 674028 702468 711474 720954 729486 730197 761007 780273 973596 998244 1011042 1014676 1040364 1053702 1054729 1067211 1081431 1422948 1441908 1458972 1460394 1516563 1522014 1541527 1560546 1580553 2022084 2107404 2109458 2134422 2162862 2190591 2283021 2920788 3033126 3044028 3083054 3121092 3161106 3164187 3201633 3244293 4218916 4268844 4325724 4381182 4566042 4624581 4741659 6066252 6166108 6322212 6328374 6403266 6488586 6571773 6849063 8762364 9132084 9249162 9483318 9492561 9604899 12656748 12806532 12977172 13143546 13698126 13873743 18498324 18966636 18985122 19209798 19715319 20039851 20547189 26287092 27396252 27747486 28477683 28814697 37970244 38419596 39430638 40079702 41094378 41621229 55494972 56955366 57629394 60119553 61641567 78861276 80159404 82188756 83242458 85433049 113910732 115258788 120239106 123283134 124863687 166484916 170866098 180358659 240478212 246566268 249727374 256299147 341732196 360717318 374591061 499454748 512598294 541075977 721434636 749182122 1025196588 1082151954 1498364244 1623227931 2164303908 3246455862 4869683793 6492911724 9739367586 19478735172
• Sum of all divisors σ(n): 58947623280
• Sum of proper divisors (its aliquot sum) s(n): 39468888108
• 19478735172 is an abundant number, because the sum of its proper divisors (39468888108) is greater than itself. Its abundance is 19990152936

Bases of 19478735172

• Binary: 10010001001000001011110100101000100₂
• Hexadecimal: 0x48905E944
• Base-36: 8Y54W90

Squares and roots of 19478735172

• 19478735172 squared (19478735172²) is 379421123900909869584
• 19478735172 cubed (19478735172³) is 7390643591128422919467793808448
• The square root of 19478735172 is 139566.2393704151
• The cube root of 19478735172 is 2690.6275476963

Scales and comparisons

• 19,478,735,172 seconds is equal to 619 years, 18 weeks, 6 days, 7 hours, 46 minutes, 12 seconds.
• To count from 1 to 19,478,735,172 would take you about one thousand, two hundred thirty-eight 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 19478735172 cubic inches would be around 224.2 feet tall.

Recreational maths with 19478735172

• 19478735172 backwards is 27153787491
• 19478735172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19478735172's digits is 54
• More coming soon!