20385612072

Names of 20385612072

• Cardinal: 20385612072 can be written as Twenty billion, three hundred eighty-five million, six hundred twelve thousand and seventy-two.

Scientific notation

• Scientific notation: 2.0385612072 × 10¹⁰

Factors of 20385612072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2373

Divisors of 20385612072

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 83 84 126 166 168 239 249 252 332 478 498 504 581 664 717 747 956 996 1162 1434 1494 1673 1743 1912 1992 2039 2151 2324 2868 2988 3346 3486 4078 4302 4648 5019 5229 5736 5976 6117 6692 6972 8156 8604 10038 10458 12234 13384 13944 14273 15057 16312 17208 18351 19837 20076 20916 24468 28546 30114 36702 39674 40152 41832 42819 48936 57092 59511 60228 73404 79348 85638 114184 119022 120456 128457 138859 146808 158696 169237 171276 178533 238044 256914 277718 338474 342552 357066 416577 476088 487321 507711 513828 555436 676948 714132 833154 974642 1015422 1027656 1110872 1184659 1249731 1353896 1428264 1461963 1523133 1666308 1949284 2030844 2369318 2499462 2923926 3046266 3332616 3411247 3553977 3898568 4061688 4385889 4738636 4998924 5847852 6092532 6822494 7107954 8771778 9477272 9997848 10233741 10661931 11695704 12185064 13644988 14215908 17543556 20467482 21323862 27289976 28431816 30701223 35087112 40447643 40934964 42647724 61402446 80895286 81869928 85295448 121342929 122804892 161790572 242685858 245609784 283133501 323581144 364028787 485371716 566267002 728057574 849400503 970743432 1132534004 1456115148 1698801006 2265068008 2548201509 2912230296 3397602012 5096403018 6795204024 10192806036 20385612072
• Sum of all divisors σ(n): 64157184000
• Sum of proper divisors (its aliquot sum) s(n): 43771571928
• 20385612072 is an abundant number, because the sum of its proper divisors (43771571928) is greater than itself. Its abundance is 23385959856

Bases of 20385612072

• Binary: 10010111111000100111100000100101000₂
• Hexadecimal: 0x4BF13C128
• Base-36: 9D52EY0

Squares and roots of 20385612072

• 20385612072 squared (20385612072²) is 415573179550072133184
• 20385612072 cubed (20385612072³) is 8471713625835374006706542197248
• The square root of 20385612072 is 142778.1918641639
• The cube root of 20385612072 is 2731.7518876593

Scales and comparisons

• 20,385,612,072 seconds is equal to 648 years, 10 weeks, 2 days, 14 hours, 1 minute, 12 seconds.
• To count from 1 to 20,385,612,072 would take you about one thousand, two hundred ninety-six 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 20385612072 cubic inches would be around 227.6 feet tall.

Recreational maths with 20385612072

• 20385612072 backwards is 27021658302
• 20385612072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20385612072's digits is 36
• More coming soon!