155113178988

Names of 155113178988

• Cardinal: 155113178988 can be written as One hundred fifty-five billion, one hundred thirteen million, one hundred seventy-eight thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.55113178988 × 10¹¹

Factors of 155113178988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 152

Divisors of 155113178988

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 12 41 47 59 82 94 118 123 141 164 177 188 236 246 282 354 492 564 708 1681 1927 2209 2419 2773 3362 3481 3854 4418 4838 5043 5546 5781 6627 6724 6962 7257 7708 8319 8836 9676 10086 10443 11092 11562 13254 13924 14514 16638 20172 20886 23124 26508 29028 33276 41772 79007 90569 99179 113693 130331 142721 158014 163607 181138 198358 227386 237021 260662 271707 285442 297537 316028 327214 341079 362276 390993 396716 428163 454772 474042 490821 521324 543414 570884 595074 654428 682158 781986 856326 948084 981642 1086828 1190148 1364316 1563972 1712652 1963284 3713329 4661413 5343571 5851561 6707887 7426658 7689529 9322826 10687142 11139987 11703122 13415774 13984239 14853316 15379058 16030713 17554683 18645652 20123661 21374284 22279974 23068587 23406244 26831548 27968478 30758116 32061426 35109366 40247322 44559948 46137174 55936956 64122852 70218732 80494644 92274348 219086411 275023367 315270689 438172822 550046734 630541378 657259233 825070101 876345644 945812067 1100093468 1261082756 1314518466 1650140202 1891624134 2629036932 3300280404 3783248268 12926098249 25852196498 38778294747 51704392996 77556589494 155113178988
• Sum of all divisors σ(n): 385567833028
• Sum of proper divisors (its aliquot sum) s(n): 230454654040
• 155113178988 is an abundant number, because the sum of its proper divisors (230454654040) is greater than itself. Its abundance is 75341475052

Bases of 155113178988

• Binary: 10010000011101011101110100011101101100₂
• Hexadecimal: 0x241D77476C
• Base-36: 1Z9ADQWC

Squares and roots of 155113178988

• 155113178988 squared (155113178988²) is 24060098295763324704144
• 155113178988 cubed (155113178988³) is 3732038333419610346919850417326272
• The square root of 155113178988 is 393844.1049298565
• The cube root of 155113178988 is 5372.9924818201

Scales and comparisons

• 155,113,178,988 seconds is equal to 4,932 years, 6 weeks, 1 day, 10 hours, 9 minutes, 48 seconds.
• To count from 1 to 155,113,178,988 would take you about nine thousand, eight hundred sixty-four 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 155113178988 cubic inches would be around 447.7 feet tall.

Recreational maths with 155113178988

• 155113178988 backwards is 889871311551
• The number of decimal digits it has is: 12
• The sum of 155113178988's digits is 57
• More coming soon!