72820220928

Names of 72820220928

• Cardinal: 72820220928 can be written as Seventy-two billion, eight hundred twenty million, two hundred twenty thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2820220928 × 10¹⁰

Factors of 72820220928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 260514

Divisors of 72820220928

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 256 273 312 336 364 384 416 448 512 546 624 672 728 768 832 896 1024 1092 1248 1344 1456 1536 1664 1792 2184 2496 2688 2912 3072 3328 3584 4368 4992 5376 5824 6656 7168 8736 9984 10752 11648 13312 17472 19968 21504 23296 34944 39936 46592 69888 93184 139776 260489 279552 520978 781467 1041956 1562934 1823423 2083912 3125868 3386357 3646846 4167824 5470269 6251736 6772714 7293692 8335648 10159071 10940538 12503472 13545428 14587384 16671296 20318142 21881076 23704499 25006944 27090856 29174768 33342592 40636284 43762152 47408998 50013888 54181712 58349536 66685184 71113497 81272568 87524304 94817996 100027776 108363424 116699072 133370368 142226994 162545136 175048608 189635992 200055552 216726848 233398144 266740736 284453988 325090272 350097216 379271984 400111104 433453696 466796288 568907976 650180544 700194432 758543968 800222208 866907392 933592576 1137815952 1300361088 1400388864 1517087936 1733814784 1867185152 2275631904 2600722176 2800777728 3034175872 3467629568 4551263808 5201444352 5601555456 6068351744 9102527616 10402888704 12136703488 18205055232 24273406976 36410110464 72820220928
• Sum of all divisors σ(n): 238883917440
• Sum of proper divisors (its aliquot sum) s(n): 166063696512
• 72820220928 is an abundant number, because the sum of its proper divisors (166063696512) is greater than itself. Its abundance is 93243475584

Bases of 72820220928

• Binary: 1000011110100011011000110010000000000₂
• Hexadecimal: 0x10F46C6400
• Base-36: XGBA22O

Squares and roots of 72820220928

• 72820220928 squared (72820220928²) is 5302784576002729181184
• 72820220928 cubed (72820220928³) is 386149944358109546104771420618752
• The square root of 72820220928 is 269852.2205356109
• The cube root of 72820220928 is 4175.9055189205

Scales and comparisons

• 72,820,220,928 seconds is equal to 2,315 years, 23 weeks, 5 days, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 72,820,220,928 would take you about four thousand, six hundred thirty 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 72820220928 cubic inches would be around 348 feet tall.

Recreational maths with 72820220928

• 72820220928 backwards is 82902202827
• 72820220928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72820220928's digits is 42
• More coming soon!