18384318464

Names of 18384318464

• Cardinal: 18384318464 can be written as Eighteen billion, three hundred eighty-four million, three hundred eighteen thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8384318464 × 10¹⁰

Factors of 18384318464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 204

Divisors of 18384318464

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 8 16 29 32 37 47 58 64 74 89 94 116 128 148 178 188 232 256 296 356 376 464 512 592 712 752 928 1024 1073 1184 1363 1424 1504 1739 1856 2048 2146 2368 2581 2726 2848 3008 3293 3478 3712 4096 4183 4292 4736 5162 5452 5696 6016 6586 6956 7424 8366 8584 9472 10324 10904 11392 12032 13172 13912 14848 16732 17168 18944 20648 21808 22784 24064 26344 27824 29696 33464 34336 37888 41296 43616 45568 48128 50431 52688 55648 59392 66928 68672 75776 82592 87232 91136 95497 96256 100862 105376 111296 118784 121307 133856 137344 151552 154771 165184 174464 182272 190994 192512 201724 210752 222592 242614 267712 274688 309542 330368 348928 364544 381988 403448 421504 445184 485228 535424 549376 619084 660736 697856 763976 806896 843008 890368 970456 1070848 1098752 1238168 1321472 1395712 1527952 1613792 1686016 1780736 1940912 2141696 2197504 2476336 2642944 2791424 3055904 3227584 3372032 3561472 3881824 4283392 4395008 4488359 4952672 5285888 5582848 6111808 6455168 6744064 7122944 7763648 8566784 8976718 9905344 10571776 12223616 12910336 13488128 15527296 17133568 17953436 19810688 24447232 25820672 31054592 35906872 39621376 48894464 51641344 62109184 71813744 79242752 97788928 103282688 124218368 143627488 158485504 195577856 206565376 248436736 287254976 316971008 391155712 496873472 574509952 633942016 1149019904 2298039808 4596079616 9192159232 18384318464
• Sum of all divisors σ(n): 40339036800
• Sum of proper divisors (its aliquot sum) s(n): 21954718336
• 18384318464 is an abundant number, because the sum of its proper divisors (21954718336) is greater than itself. Its abundance is 3570399872

Bases of 18384318464

• Binary: 10001000111110010100111000000000000₂
• Hexadecimal: 0x447CA7000
• Base-36: 8G1JQWW

Squares and roots of 18384318464

• 18384318464 squared (18384318464²) is 337983165385771319296
• 18384318464 cubed (18384318464³) is 6213590147922801348215092281344
• The square root of 18384318464 is 135588.7844329317
• The cube root of 18384318464 is 2639.2620404469

Scales and comparisons

• 18,384,318,464 seconds is equal to 584 years, 29 weeks, 2 days, 11 hours, 7 minutes, 44 seconds.
• To count from 1 to 18,384,318,464 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 18384318464 cubic inches would be around 219.9 feet tall.

Recreational maths with 18384318464

• 18384318464 backwards is 46481348381
• The number of decimal digits it has is: 11
• The sum of 18384318464's digits is 50
• More coming soon!