2820128164

Names of 2820128164

• Cardinal: 2820128164 can be written as Two billion, eight hundred twenty million, one hundred twenty-eight thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.820128164 × 10⁹

Factors of 2820128164

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 800

Divisors of 2820128164

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 14 17 23 28 34 46 49 68 92 98 119 161 196 238 322 343 391 476 644 686 751 782 833 1127 1372 1502 1564 1666 2254 2401 2737 3004 3332 4508 4802 5257 5474 5831 7889 9604 10514 10948 11662 12767 15778 17273 19159 21028 23324 25534 31556 34546 36799 38318 40817 51068 55223 69092 73598 76636 81634 89369 110446 120911 134113 147196 163268 178738 220892 241822 257593 268226 293641 357476 483644 515186 536452 587282 625583 846377 938791 1030372 1174564 1251166 1692754 1803151 1877582 2055487 2502332 3385508 3606302 3755164 4110974 4379081 5924639 7212604 8221948 8758162 11849278 14388409 17516324 23698556 28776818 30653567 41472473 57553636 61307134 82944946 100718863 122614268 165889892 201437726 402875452 705032041 1410064082 2820128164
• Sum of all divisors σ(n): 6369608448
• Sum of proper divisors (its aliquot sum) s(n): 3549480284
• 2820128164 is an abundant number, because the sum of its proper divisors (3549480284) is greater than itself. Its abundance is 729352120

Bases of 2820128164

• Binary: 10101000000101111011110110100100₂
• Hexadecimal: 0xA817BDA4
• Base-36: 1AN14TG

Squares and roots of 2820128164

• 2820128164 squared (2820128164²) is 7953122861386010896
• 2820128164 cubed (2820128164³) is 22428825773146957403420474944
• The square root of 2820128164 is 53104.8789095691
• The cube root of 2820128164 is 1412.8290472507

Scales and comparisons

• 2,820,128,164 seconds is equal to 89 years, 34 weeks, 6 days, 8 hours, 56 minutes, 4 seconds.
• To count from 1 to 2,820,128,164 would take you about one hundred seventy-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 2820128164 cubic inches would be around 117.7 feet tall.

Recreational maths with 2820128164

• 2820128164 backwards is 4618210282
• 2820128164 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2820128164's digits is 34
• More coming soon!