138970315548

Names of 138970315548

• Cardinal: 138970315548 can be written as One hundred thirty-eight billion, nine hundred seventy million, three hundred fifteen thousand, five hundred forty-eight.

Scientific notation

• Scientific notation: 1.38970315548 × 10¹¹

Factors of 138970315548

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 355454

Divisors of 138970315548

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 71 81 102 108 142 153 162 204 213 284 306 324 426 459 612 639 852 918 1207 1278 1377 1836 1917 2414 2556 2754 3621 3834 4828 5508 5751 7242 7668 10863 11502 14484 21726 23004 32589 43452 65178 97767 130356 195534 355361 391068 710722 1066083 1421444 2132166 3198249 4264332 6041137 6396498 9594747 12082274 12792996 18123411 19189494 24164548 25230631 28784241 36246822 38378988 50461262 54370233 57568482 72493644 75691893 100922524 108740466 115136964 151383786 163110699 217480932 227075679 302767572 326221398 428920727 454151358 489332097 652442796 681227037 857841454 908302716 978664194 1286762181 1362454074 1715682908 1957328388 2043681111 2573524362 2724908148 3860286543 4087362222 5147048724 7720573086 8174724444 11580859629 15441146172 23161719258 34742578887 46323438516 69485157774 138970315548
• Sum of all divisors σ(n): 390085131744
• Sum of proper divisors (its aliquot sum) s(n): 251114816196
• 138970315548 is an abundant number, because the sum of its proper divisors (251114816196) is greater than itself. Its abundance is 112144500648

Bases of 138970315548

• Binary: 10000001011011010001101011101100011100₂
• Hexadecimal: 0x205B46BB1C
• Base-36: 1RUBC5R0

Squares and roots of 138970315548

• 138970315548 squared (138970315548²) is 19312748603510690540304
• 138970315548 cubed (138970315548³) is 2683898767529077004977425491846592
• The square root of 138970315548 is 372787.2255697611
• The cube root of 138970315548 is 5179.7326917907

Scales and comparisons

• 138,970,315,548 seconds is equal to 4,418 years, 42 weeks, 6 days, 17 hours, 25 minutes, 48 seconds.
• To count from 1 to 138,970,315,548 would take you about eight thousand, eight hundred thirty-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 138970315548 cubic inches would be around 431.6 feet tall.

Recreational maths with 138970315548

• 138970315548 backwards is 845513079831
• 138970315548 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138970315548's digits is 54
• More coming soon!