72163009028

Names of 72163009028

• Cardinal: 72163009028 can be written as Seventy-two billion, one hundred sixty-three million, nine thousand and twenty-eight.

Scientific notation

• Scientific notation: 7.2163009028 × 10¹⁰

Factors of 72163009028

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6643

Divisors of 72163009028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 11 17 22 34 44 61 68 122 187 244 251 374 502 671 748 1004 1037 1342 2074 2684 2761 4148 4267 5522 6301 8534 11044 11407 12602 15311 17068 22814 25204 30622 45628 46937 61244 69311 93874 107117 138622 168421 187748 214234 260287 277244 336842 384361 428468 520574 673684 768722 1041148 1178287 1537444 1581551 2356574 2863157 3163102 4227971 4713148 5726314 6326204 6534137 8455942 11452628 13068274 16911884 17397061 26136548 26886367 34794122 53772734 69588244 71875507 96474611 107545468 143751014 192949222 287502028 295750037 385898444 591500074 1061220721 1183000148 1640068387 2122441442 3280136774 4244882884 6560273548 18040752257 36081504514 72163009028
• Sum of all divisors σ(n): 148875221376
• Sum of proper divisors (its aliquot sum) s(n): 76712212348
• 72163009028 is an abundant number, because the sum of its proper divisors (76712212348) is greater than itself. Its abundance is 4549203320

Bases of 72163009028

• Binary: 1000011001101010000000010001000000100₂
• Hexadecimal: 0x10CD402204
• Base-36: X5FZQ4K

Squares and roots of 72163009028

• 72163009028 squared (72163009028²) is 5207499871975209504784
• 72163009028 cubed (72163009028³) is 375788860274655887685919201189952
• The square root of 72163009028 is 268631.7349607079
• The cube root of 72163009028 is 4163.3048393931

Scales and comparisons

• 72,163,009,028 seconds is equal to 2,294 years, 29 weeks, 1 day, 17 minutes, 8 seconds.
• To count from 1 to 72,163,009,028 would take you about four thousand, five hundred eighty-nine 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 72163009028 cubic inches would be around 346.9 feet tall.

Recreational maths with 72163009028

• 72163009028 backwards is 82090036127
• The number of decimal digits it has is: 11
• The sum of 72163009028's digits is 38
• More coming soon!