18406489752

Names of 18406489752

• Cardinal: 18406489752 can be written as Eighteen billion, four hundred six million, four hundred eighty-nine thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.8406489752 × 10¹⁰

Factors of 18406489752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 152

Divisors of 18406489752

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 37 42 49 56 63 72 74 84 98 103 111 126 147 148 168 196 206 222 252 259 294 296 309 333 392 412 441 444 504 518 588 618 666 721 777 824 882 888 927 1036 1176 1236 1332 1369 1442 1554 1764 1813 1854 2072 2163 2331 2472 2664 2738 2884 3108 3528 3626 3708 3811 4107 4326 4662 5047 5439 5476 5768 6216 6489 7252 7416 7622 8214 8652 9324 9583 10094 10878 10952 11433 12321 12978 14504 15141 15244 16317 16428 17304 18648 19166 20188 21756 22866 24642 25956 26677 28749 30282 30488 32634 32856 34299 38332 40376 43512 45423 45732 49284 50653 51912 53354 57498 60564 65268 67081 68598 76664 80031 86247 90846 91464 98568 101306 106708 114996 121128 130536 134162 137196 141007 151959 160062 172494 181692 186739 201243 202612 213416 229992 240093 268324 274392 282014 303918 320124 344988 354571 363384 373478 402486 405224 423021 455877 480186 536648 560217 564028 603729 607836 640248 689976 709142 746956 804972 846042 911754 960372 987049 1063713 1120434 1128056 1207458 1215672 1269063 1418284 1493912 1609944 1680651 1692084 1823508 1920744 1974098 2127426 2240868 2414916 2481997 2538126 2836568 2961147 3191139 3361302 3384168 3647016 3948196 4254852 4481736 4829832 4963994 5076252 5217259 5922294 6382278 6722604 6909343 7445991 7896392 8509704 8883441 9927988 10152504 10434518 11844588 12764556 13445208 13818686 14891982 15651777 17766882 19855976 20728029 20869036 22337973 23689176 25529112 27637372 29783964 31303554 35533764 36520813 41456058 41738072 44675946 46955331 55274744 59567928 62184087 62607108 71067528 73041626 82912116 89351892 93910662 109562439 124368174 125214216 146083252 165824232 178703784 187821324 219124878 248736348 255645691 292166504 328687317 375642648 438249756 497472696 511291382 657374634 766937073 876499512 1022582764 1314749268 1533874146 2045165528 2300811219 2629498536 3067748292 4601622438 6135496584 9203244876 18406489752
• Sum of all divisors σ(n): 60179277600
• Sum of proper divisors (its aliquot sum) s(n): 41772787848
• 18406489752 is an abundant number, because the sum of its proper divisors (41772787848) is greater than itself. Its abundance is 23366298096

Bases of 18406489752

• Binary: 10001001001000111001011111010011000₂
• Hexadecimal: 0x4491CBE98
• Base-36: 8GEQYE0

Squares and roots of 18406489752

• 18406489752 squared (18406489752²) is 338798864990481021504
• 18406489752 cubed (18406489752³) is 6236097836436520499863867627008
• The square root of 18406489752 is 135670.5190968179
• The cube root of 18406489752 is 2640.3225879911

Scales and comparisons

• 18,406,489,752 seconds is equal to 585 years, 14 weeks, 1 hour, 49 minutes, 12 seconds.
• To count from 1 to 18,406,489,752 would take you about one thousand, one hundred seventy 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 18406489752 cubic inches would be around 220 feet tall.

Recreational maths with 18406489752

• 18406489752 backwards is 25798460481
• The number of decimal digits it has is: 11
• The sum of 18406489752's digits is 54
• More coming soon!