15380658972

Names of 15380658972

• Cardinal: 15380658972 can be written as Fifteen billion, three hundred eighty million, six hundred fifty-eight thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.5380658972 × 10¹⁰

Factors of 15380658972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10224

Divisors of 15380658972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 2713 5426 7499 8139 10852 14998 16278 18991 22497 24417 29996 32556 37982 44994 48834 52493 56973 67491 73251 75964 89988 97668 104986 113946 134982 146502 157479 170919 202473 209972 227892 269964 293004 314958 341838 404946 472437 512757 629916 683676 809892 944874 1025514 1417311 1889748 2051028 2834622 5669244 20344787 40689574 61034361 81379148 122068722 142413509 183103083 244137444 284827018 366206166 427240527 549309249 569654036 732412332 854481054 1098618498 1281721581 1708962108 2197236996 2563443162 3845164743 5126886324 7690329486 15380658972
• Sum of all divisors σ(n): 45595200000
• Sum of proper divisors (its aliquot sum) s(n): 30214541028
• 15380658972 is an abundant number, because the sum of its proper divisors (30214541028) is greater than itself. Its abundance is 14833882056

Bases of 15380658972

• Binary: 1110010100110000100011101100011100₂
• Hexadecimal: 0x394C23B1C
• Base-36: 72D8WF0

Squares and roots of 15380658972

• 15380658972 squared (15380658972²) is 236564670412964096784
• 15380658972 cubed (15380658972³) is 3638520520445379180314705946048
• The square root of 15380658972 is 124018.7847545687
• The cube root of 15380658972 is 2486.8999539233

Scales and comparisons

• 15,380,658,972 seconds is equal to 489 years, 2 weeks, 6 days, 21 hours, 16 minutes, 12 seconds.
• To count from 1 to 15,380,658,972 would take you about nine hundred seventy-eight 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 15380658972 cubic inches would be around 207.2 feet tall.

Recreational maths with 15380658972

• 15380658972 backwards is 27985608351
• 15380658972 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 15380658972's digits is 54
• More coming soon!