18439493632

Names of 18439493632

• Cardinal: 18439493632 can be written as Eighteen billion, four hundred thirty-nine million, four hundred ninety-three thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.8439493632 × 10¹⁰

Factors of 18439493632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2664

Divisors of 18439493632

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 29 32 34 56 58 64 68 112 116 119 128 136 203 224 232 238 256 272 406 448 464 476 493 512 544 812 896 928 952 986 1024 1088 1624 1792 1856 1904 1972 2048 2176 2609 3248 3451 3584 3712 3808 3944 4352 5218 6496 6902 7168 7424 7616 7888 8704 10436 12992 13804 14336 14848 15232 15776 17408 18263 20872 25984 27608 29696 30464 31552 34816 36526 41744 44353 51968 55216 59392 60928 63104 73052 75661 83488 88706 103936 110432 121856 126208 146104 151322 166976 177412 207872 220864 243712 252416 292208 302644 310471 333952 354824 415744 441728 504832 529627 584416 605288 620942 667904 709648 883456 1009664 1059254 1168832 1210576 1241884 1286237 1335808 1419296 1766912 2118508 2337664 2421152 2483768 2572474 2671616 2838592 3533824 4237016 4675328 4842304 4967536 5144948 5343232 5677184 7067648 8474032 9003659 9350656 9684608 9935072 10289896 11354368 16948064 18007318 18701312 19369216 19870144 20579792 22708736 33896128 36014636 37402624 38738432 39740288 41159584 45417472 67792256 72029272 77476864 79480576 82319168 90834944 135584512 144058544 154953728 158961152 164638336 271169024 288117088 317922304 329276672 542338048 576234176 635844608 658553344 1084676096 1152468352 1317106688 2304936704 2634213376 4609873408 9219746816 18439493632
• Sum of all divisors σ(n): 46171944000
• Sum of proper divisors (its aliquot sum) s(n): 27732450368
• 18439493632 is an abundant number, because the sum of its proper divisors (27732450368) is greater than itself. Its abundance is 9292956736

Bases of 18439493632

• Binary: 10001001011000101000101100000000000₂
• Hexadecimal: 0x44B145800
• Base-36: 8GYECCG

Squares and roots of 18439493632

• 18439493632 squared (18439493632²) is 340014925404568551424
• 18439493632 cubed (18439493632³) is 6269703051782496827690312531968
• The square root of 18439493632 is 135792.0970896319
• The cube root of 18439493632 is 2641.8997284451

Scales and comparisons

• 18,439,493,632 seconds is equal to 586 years, 16 weeks, 4 days, 1 hour, 33 minutes, 52 seconds.
• To count from 1 to 18,439,493,632 would take you about one thousand, one hundred seventy-two 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 18439493632 cubic inches would be around 220.2 feet tall.

Recreational maths with 18439493632

• 18439493632 backwards is 23639493481
• The number of decimal digits it has is: 11
• The sum of 18439493632's digits is 52
• More coming soon!