420791072

Names of 420791072

• Cardinal: 420791072 can be written as Four hundred twenty million, seven hundred ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 4.20791072 × 10⁸

Factors of 420791072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 254

Divisors of 420791072

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 17 23 26 32 34 46 52 68 92 104 136 169 184 199 208 221 272 299 338 368 391 398 416 442 544 598 676 736 782 796 884 1196 1352 1564 1592 1768 2392 2587 2704 2873 3128 3184 3383 3536 3887 4577 4784 5083 5174 5408 5746 6256 6368 6766 7072 7774 9154 9568 10166 10348 11492 12512 13532 15548 18308 20332 20696 22984 27064 31096 33631 36616 40664 41392 43979 45968 54128 59501 62192 66079 67262 73232 77809 81328 82784 87958 91936 108256 119002 124384 132158 134524 146464 155618 162656 175916 238004 264316 269048 311236 351832 476008 528632 538096 571727 622472 703664 773513 952016 1011517 1057264 1076192 1143454 1244944 1407328 1547026 1904032 2023034 2114528 2286908 2489888 3094052 4046068 4573816 6188104 8092136 9147632 12376208 13149721 16184272 18295264 24752416 26299442 32368544 52598884 105197768 210395536 420791072
• Sum of all divisors σ(n): 996105600
• Sum of proper divisors (its aliquot sum) s(n): 575314528
• 420791072 is an abundant number, because the sum of its proper divisors (575314528) is greater than itself. Its abundance is 154523456

Bases of 420791072

• Binary: 11001000101001100001100100000₂
• Hexadecimal: 0x1914C320
• Base-36: 6YJ0GW

Squares and roots of 420791072

• 420791072 squared (420791072²) is 177065126274909184
• 420791072 cubed (420791072³) is 74507424299034402238005248
• The square root of 420791072 is 20513.1926330349
• The cube root of 420791072 is 749.3571213965

Scales and comparisons

• 420,791,072 seconds is equal to 13 years, 19 weeks, 5 days, 6 hours, 24 minutes, 32 seconds.
• To count from 1 to 420,791,072 would take you about twenty 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 420791072 cubic inches would be around 62.4 feet tall.

Recreational maths with 420791072

• 420791072 backwards is 270197024
• 420791072 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 420791072's digits is 32
• More coming soon!