130728021857040

Names of 130728021857040

• Cardinal: 130728021857040 can be written as One hundred thirty trillion, seven hundred twenty-eight billion, twenty-one million, eight hundred fifty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.3072802185704 × 10¹⁴

Factors of 130728021857040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14721624130

Divisors of 130728021857040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 80 111 120 148 185 222 240 296 370 444 555 592 740 888 1110 1480 1776 2220 2960 4440 8880 14721624083 29443248166 44164872249 58886496332 73608120415 88329744498 117772992664 147216240830 176659488996 220824361245 235545985328 294432481660 353318977992 441648722490 544700091071 588864963320 706637955984 883297444980 1089400182142 1177729926640 1634100273213 1766594889960 2178800364284 2723500455355 3268200546426 3533189779920 4357600728568 5447000910710 6536401092852 8170501366065 8715201457136 10894001821420 13072802185704 16341002732130 21788003642840 26145604371408 32682005464260 43576007285680 65364010928520 130728021857040
• Sum of all divisors σ(n): 416209756102848
• Sum of proper divisors (its aliquot sum) s(n): 285481734245808
• 130728021857040 is an abundant number, because the sum of its proper divisors (285481734245808) is greater than itself. Its abundance is 154753712388768

Bases of 130728021857040

• Binary: 11101101110010101111101010011100001001100010000₂
• Hexadecimal: 0x76E57D4E1310
• Base-36: 1AC7MGWZDC

Squares and roots of 130728021857040

• 130728021857040 squared (130728021857040²) is 17089815698654727970197561600
• 130728021857040 cubed (130728021857040³) is 2234117800186520596212322266571711793664000
• The square root of 130728021857040 is 11433635.5485488517
• The cube root of 130728021857040 is 50752.3585961079

Scales and comparisons

• 130,728,021,857,040 seconds is equal to 4,156,746 years, 37 weeks, 5 days, 12 hours, 44 minutes.
• To count from 1 to 130,728,021,857,040 would take you about ten million, three hundred ninety-one thousand, eight hundred sixty-six 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 130728021857040 cubic inches would be around 4229.4 feet tall.

Recreational maths with 130728021857040

• 130728021857040 backwards is 040758120827031
• 130728021857040 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 130728021857040's digits is 48
• More coming soon!