1555405090980748

Names of 1555405090980748

• Cardinal: 1555405090980748 can be written as One quadrillion, five hundred fifty-five trillion, four hundred five billion, ninety million, nine hundred eighty thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.555405090980748 × 10¹⁵

Factors of 1555405090980748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 11472444

Divisors of 1555405090980748

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 19 28 38 76 133 266 532 260773 521546 1043092 1825411 3650822 4954687 7301644 9909374 11211643 19818748 22423286 34682809 44846572 69365618 78481501 138731236 156963002 213021217 313926004 426042434 852084868 1491148519 2982297038 5964594076 2923693780039 5847387560078 11694775120156 20465856460273 40931712920546 55550181820741 81863425841092 111100363641482 222200727282964 388851272745187 777702545490374 1555405090980748
• Sum of all divisors σ(n): 3274549882750720
• Sum of proper divisors (its aliquot sum) s(n): 1719144791769972
• 1555405090980748 is an abundant number, because the sum of its proper divisors (1719144791769972) is greater than itself. Its abundance is 163739700789224

Bases of 1555405090980748

• Binary: 101100001101010000111110111111011100000001110001100₂
• Hexadecimal: 0x586A1F7EE038C
• Base-36: FBCF8FSTJG

Squares and roots of 1555405090980748

• 1555405090980748 squared (1555405090980748²) is 2419284997048828963376506639504
• 1555405090980748 cubed (1555405090980748³) is 3762968200943092470460886921676898809040268992
• The square root of 1555405090980748 is 39438624.3545683019
• The cube root of 1555405090980748 is 115863.8188600093

Scales and comparisons

• 1,555,405,090,980,748 seconds is equal to 49,457,070 years, 36 weeks, 6 days, 4 hours, 52 minutes, 28 seconds.
• To count from 1 to 1,555,405,090,980,748 would take you about one hundred forty-eight million, three hundred seventy-one thousand, two hundred twelve 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 1555405090980748 cubic inches would be around 9655.3 feet tall.

Recreational maths with 1555405090980748

• 1555405090980748 backwards is 8470890905045551
• The number of decimal digits it has is: 16
• The sum of 1555405090980748's digits is 70
• More coming soon!