18169724928

Names of 18169724928

• Cardinal: 18169724928 can be written as Eighteen billion, one hundred sixty-nine million, seven hundred twenty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8169724928 × 10¹⁰

Factors of 18169724928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 24

Divisors of 18169724928

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 256 304 361 384 456 512 608 722 768 912 1024 1083 1216 1444 1536 1824 2048 2166 2432 2888 3072 3648 4096 4332 4864 5776 6144 7296 8192 8664 9728 11552 12288 14592 16384 17328 19456 23104 24576 29184 32768 34656 38912 46208 49152 58368 65536 69312 77824 92416 98304 116736 131072 138624 155648 184832 196608 233472 262144 277248 311296 369664 393216 466944 524288 554496 622592 739328 786432 933888 1048576 1108992 1245184 1478656 1572864 1867776 2097152 2217984 2490368 2957312 3145728 3735552 4194304 4435968 4980736 5914624 6291456 7471104 8388608 8871936 9961472 11829248 12582912 14942208 16777216 17743872 19922944 23658496 25165824 29884416 35487744 39845888 47316992 50331648 59768832 70975488 79691776 94633984 119537664 141950976 159383552 189267968 239075328 283901952 318767104 378535936 478150656 567803904 757071872 956301312 1135607808 1514143744 2271215616 3028287488 4542431232 6056574976 9084862464 18169724928
• Sum of all divisors σ(n): 51136952844
• Sum of proper divisors (its aliquot sum) s(n): 32967227916
• 18169724928 is an abundant number, because the sum of its proper divisors (32967227916) is greater than itself. Its abundance is 14797502988

Bases of 18169724928

• Binary: 10000111011000000000000000000000000₂
• Hexadecimal: 0x43B000000
• Base-36: 8CHS9HC

Squares and roots of 18169724928

• 18169724928 squared (18169724928²) is 330138903959184605184
• 18169724928 cubed (18169724928³) is 5998533072969794415365562826752
• The square root of 18169724928 is 134795.1220482403
• The cube root of 18169724928 is 2628.9527715347

Scales and comparisons

• 18,169,724,928 seconds is equal to 577 years, 38 weeks, 3 days, 17 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,169,724,928 would take you about one thousand, one hundred fifty-five 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 18169724928 cubic inches would be around 219.1 feet tall.

Recreational maths with 18169724928

• 18169724928 backwards is 82942796181
• 18169724928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18169724928's digits is 57
• More coming soon!