18990508032

Names of 18990508032

• Cardinal: 18990508032 can be written as Eighteen billion, nine hundred ninety million, five hundred eight thousand and thirty-two.

Scientific notation

• Scientific notation: 1.8990508032 × 10¹⁰

Factors of 18990508032

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 106

Divisors of 18990508032

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 101 128 144 192 202 256 288 303 384 404 512 576 606 768 808 909 1024 1152 1212 1536 1616 1818 2048 2304 2424 3072 3232 3636 4608 4848 6144 6464 7272 9216 9696 10201 12928 14544 18432 19392 20402 25856 29088 30603 38784 40804 51712 58176 61206 77568 81608 91809 103424 116352 122412 155136 163216 183618 206848 232704 244824 310272 326432 367236 465408 489648 620544 652864 734472 930816 979296 1030301 1305728 1468944 1861632 1958592 2060602 2611456 2937888 3090903 3917184 4121204 5222912 5875776 6181806 7834368 8242408 9272709 10445824 11751552 12363612 15668736 16484816 18545418 20891648 23503104 24727224 31337472 32969632 37090836 47006208 49454448 62674944 65939264 74181672 94012416 98908896 131878528 148363344 188024832 197817792 263757056 296726688 395635584 527514112 593453376 791271168 1055028224 1186906752 1582542336 2110056448 2373813504 3165084672 4747627008 6330169344 9495254016 18990508032
• Sum of all divisors σ(n): 55396553940
• Sum of proper divisors (its aliquot sum) s(n): 36406045908
• 18990508032 is an abundant number, because the sum of its proper divisors (36406045908) is greater than itself. Its abundance is 17415537876

Bases of 18990508032

• Binary: 10001101011111011000010100000000000₂
• Hexadecimal: 0x46BEC2800
• Base-36: 8Q2GHS0

Squares and roots of 18990508032

• 18990508032 squared (18990508032²) is 360639395313456513024
• 18990508032 cubed (18990508032³) is 6848725333355819068264984608768
• The square root of 18990508032 is 137806.0522328393
• The cube root of 18990508032 is 2667.9572171067

Scales and comparisons

• 18,990,508,032 seconds is equal to 603 years, 43 weeks, 4 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 18,990,508,032 would take you about one thousand, two hundred seven 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 18990508032 cubic inches would be around 222.3 feet tall.

Recreational maths with 18990508032

• 18990508032 backwards is 23080509981
• The number of decimal digits it has is: 11
• The sum of 18990508032's digits is 45
• More coming soon!