155648216148348840

Names of 155648216148348840

• Cardinal: 155648216148348840 can be written as One hundred fifty-five quadrillion, six hundred forty-eight trillion, two hundred sixteen billion, one hundred forty-eight million, three hundred forty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.5564821614834884 × 10¹⁷

Factors of 155648216148348840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3781540722766

Divisors of 155648216148348840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 343 392 420 490 588 686 735 840 980 1029 1176 1372 1470 1715 1960 2058 2744 2940 3430 4116 5145 5880 6860 8232 10290 13720 20580 41160 3781540722749 7563081445498 11344622168247 15126162890996 18907703613745 22689244336494 26470785059243 30252325781992 37815407227490 45378488672988 52941570118486 56723110841235 75630814454980 79412355177729 90756977345976 105883140236972 113446221682470 132353925296215 151261628909960 158824710355458 185295495414701 211766280473944 226892443364940 264707850592430 317649420710916 370590990829402 397061775888645 453784886729880 529415701184860 555886486244103 635298841421832 741181981658804 794123551777290 926477477073505 1058831402369720 1111772972488206 1297068467902907 1482363963317608 1588247103554580 1852954954147010 2223545944976412 2594136935805814 2779432431220515 3176494207109160 3705909908294020 3891205403708721 4447091889952824 5188273871611628 5558864862441030 6485342339514535 7411819816588040 7782410807417442 10376547743223256 11117729724882060 12970684679029070 15564821614834884 19456027018543605 22235459449764120 25941369358058140 31129643229669768 38912054037087210 51882738716116280 77824108074174420 155648216148348840
• Sum of all divisors σ(n): 544541864076000000
• Sum of proper divisors (its aliquot sum) s(n): 388893647927651160
• 155648216148348840 is an abundant number, because the sum of its proper divisors (388893647927651160) is greater than itself. Its abundance is 233245431779302320

Bases of 155648216148348840

• Binary: 1000101000111110010011101001011001011100100000111110101000₂
• Hexadecimal: 0x228F93A59720FA8
• Base-36: 16KKORDKVK4O

Squares and roots of 155648216148348840

• 155648216148348840 squared (155648216148348840²) is 24226367190163120605346258329345600
• 155648216148348840 cubed (155648216148348840³) is 3770790836903775941289743523820998308948357719104000
• The square root of 155648216148348840 is 394522770.1265781693
• The cube root of 155648216148348840 is 537916.3140890321

Scales and comparisons

• 155,648,216,148,348,840 seconds is equal to 4,949,131,821 years, 50 weeks, 4 days, 11 hours, 34 minutes.
• To count from 1 to 155,648,216,148,348,840 would take you about fourteen billion, eight hundred forty-seven million, three hundred ninety-five thousand, four hundred sixty-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 155648216148348840 cubic inches would be around 44826.4 feet tall.

Recreational maths with 155648216148348840

• 155648216148348840 backwards is 048843841612846551
• The number of decimal digits it has is: 18
• The sum of 155648216148348840's digits is 78
• More coming soon!