155904430842

Names of 155904430842

• Cardinal: 155904430842 can be written as One hundred fifty-five billion, nine hundred four million, four hundred thirty thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.55904430842 × 10¹¹

Factors of 155904430842

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4665

Divisors of 155904430842

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 37 74 89 111 178 222 267 333 534 666 683 801 1366 1602 2049 3293 3851 4098 6147 6586 7702 9879 11553 12294 19758 23106 25271 29637 34659 50542 59274 60787 69318 75813 121574 142487 151626 182361 227439 284974 342739 364722 427461 454878 547083 685478 854922 1028217 1094166 1282383 2056434 2249119 2564766 2630233 3084651 4498238 5260466 6169302 6747357 7890699 12681343 13494714 15781398 20242071 23672097 25362686 38044029 40484142 47344194 76088058 97318621 114132087 194637242 228264174 234090737 291955863 468181474 583911726 702272211 875867589 1404544422 1751735178 2106816633 4213633266 8661357269 17322714538 25984071807 51968143614 77952215421 155904430842
• Sum of all divisors σ(n): 351425355840
• Sum of proper divisors (its aliquot sum) s(n): 195520924998
• 155904430842 is an abundant number, because the sum of its proper divisors (195520924998) is greater than itself. Its abundance is 39616494156

Bases of 155904430842

• Binary: 10010001001100101000001101001011111010₂
• Hexadecimal: 0x244CA0D2FA
• Base-36: 1ZMDH0QI

Squares and roots of 155904430842

• 155904430842 squared (155904430842²) is 24306191556167960828964
• 155904430842 cubed (155904430842³) is 3789442960500992207595382928507688
• The square root of 155904430842 is 394847.3513169361
• The cube root of 155904430842 is 5382.1130945853

Scales and comparisons

• 155,904,430,842 seconds is equal to 4,957 years, 14 weeks, 3 days, 10 hours, 20 minutes, 42 seconds.
• To count from 1 to 155,904,430,842 would take you about nine thousand, nine hundred fourteen 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 155904430842 cubic inches would be around 448.5 feet tall.

Recreational maths with 155904430842

• 155904430842 backwards is 248034409551
• The number of decimal digits it has is: 12
• The sum of 155904430842's digits is 45
• More coming soon!