18081143028

Names of 18081143028

• Cardinal: 18081143028 can be written as Eighteen billion, eighty-one million, one hundred forty-three thousand and twenty-eight.

Scientific notation

• Scientific notation: 1.8081143028 × 10¹⁰

Factors of 18081143028

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8485

Divisors of 18081143028

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 234 243 324 338 351 468 486 507 676 702 972 1014 1053 1404 1521 2028 2106 2197 3042 3159 4212 4394 4563 6084 6318 6591 8467 8788 9126 12636 13182 13689 16934 18252 19773 25401 26364 27378 33868 39546 41067 50802 54756 59319 76203 79092 82134 101604 110071 118638 152406 164268 177957 220142 228609 237276 304812 330213 355914 440284 457218 533871 660426 685827 711828 914436 990639 1067742 1320852 1371654 1430923 1981278 2057481 2135484 2743308 2861846 2971917 3962556 4114962 4292769 5723692 5943834 8229924 8585538 8915751 11887668 12878307 17171076 17831502 18601999 25756614 26747253 35663004 37203998 38634921 51513228 53494506 55805997 74407996 77269842 106989012 111611994 115904763 154539684 167417991 223223988 231809526 334835982 347714289 463619052 502253973 669671964 695428578 1004507946 1390857156 1506761919 2009015892 3013523838 4520285757 6027047676 9040571514 18081143028
• Sum of all divisors σ(n): 51351984320
• Sum of proper divisors (its aliquot sum) s(n): 33270841292
• 18081143028 is an abundant number, because the sum of its proper divisors (33270841292) is greater than itself. Its abundance is 15189698264

Bases of 18081143028

• Binary: 10000110101101110000101100011110100₂
• Hexadecimal: 0x435B858F4
• Base-36: 8B11N90

Squares and roots of 18081143028

• 18081143028 squared (18081143028²) is 326927733198993008784
• 18081143028 cubed (18081143028³) is 5911227103790816577395564357952
• The square root of 18081143028 is 134466.1408236291
• The cube root of 18081143028 is 2624.6735450351

Scales and comparisons

• 18,081,143,028 seconds is equal to 574 years, 48 weeks, 11 hours, 43 minutes, 48 seconds.
• To count from 1 to 18,081,143,028 would take you about one thousand, one hundred forty-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 18081143028 cubic inches would be around 218.7 feet tall.

Recreational maths with 18081143028

• 18081143028 backwards is 82034118081
• 18081143028 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18081143028's digits is 36
• More coming soon!