18396812928

Names of 18396812928

• Cardinal: 18396812928 can be written as Eighteen billion, three hundred ninety-six million, eight hundred twelve thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8396812928 × 10¹⁰

Factors of 18396812928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2767

Divisors of 18396812928

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 73 76 78 96 104 114 128 146 152 156 192 208 219 228 247 292 304 312 384 416 438 456 494 584 608 624 741 832 876 912 949 988 1168 1216 1248 1387 1482 1664 1752 1824 1898 1976 2336 2432 2496 2657 2774 2847 2964 3504 3648 3796 3952 4161 4672 4992 5314 5548 5694 5928 7008 7296 7592 7904 7971 8322 9344 10628 11096 11388 11856 14016 15184 15808 15942 16644 18031 21256 22192 22776 23712 28032 30368 31616 31884 33288 34541 36062 42512 44384 45552 47424 50483 54093 60736 63768 66576 69082 72124 85024 88768 91104 94848 100966 103623 108186 121472 127536 133152 138164 144248 151449 170048 177536 182208 193961 201932 207246 216372 255072 266304 276328 288496 302898 340096 364416 387922 403864 414492 432744 510144 532608 552656 576992 581883 605796 656279 775844 807728 828984 865488 1020288 1105312 1153984 1163766 1211592 1312558 1551688 1615456 1657968 1730976 1968837 2210624 2307968 2327532 2423184 2521493 2625116 3103376 3230912 3315936 3461952 3685259 3937674 4421248 4655064 4846368 5042986 5250232 6206752 6461824 6631872 6923904 7370518 7564479 7875348 9310128 9692736 10085972 10500464 11055777 12413504 13263744 14741036 15128958 15750696 18620256 19385472 20171944 21000928 22111554 24827008 29482072 30257916 31501392 37240512 40343888 42001856 44223108 47908367 58964144 60515832 63002784 74481024 80687776 84003712 88446216 95816734 117928288 121031664 126005568 143725101 161375552 176892432 191633468 235856576 242063328 252011136 287450202 322751104 353784864 383266936 471713152 484126656 574900404 707569728 766533872 968253312 1149800808 1415139456 1533067744 2299601616 3066135488 4599203232 6132270976 9198406464 18396812928
• Sum of all divisors σ(n): 56175235200
• Sum of proper divisors (its aliquot sum) s(n): 37778422272
• 18396812928 is an abundant number, because the sum of its proper divisors (37778422272) is greater than itself. Its abundance is 19381609344

Bases of 18396812928

• Binary: 10001001000100010010001011010000000₂
• Hexadecimal: 0x448891680
• Base-36: 8G8ZJPC

Squares and roots of 18396812928

• 18396812928 squared (18396812928²) is 338442725907827933184
• 18396812928 cubed (18396812928³) is 6226267515368689457598931402752
• The square root of 18396812928 is 135634.8514505033
• The cube root of 18396812928 is 2639.8598089009

Scales and comparisons

• 18,396,812,928 seconds is equal to 584 years, 50 weeks, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 18,396,812,928 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 18396812928 cubic inches would be around 220 feet tall.

Recreational maths with 18396812928

• 18396812928 backwards is 82921869381
• 18396812928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18396812928's digits is 57
• More coming soon!