16856720440

Names of 16856720440

• Cardinal: 16856720440 can be written as Sixteen billion, eight hundred fifty-six million, seven hundred twenty thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.685672044 × 10¹⁰

Factors of 16856720440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2057

Divisors of 16856720440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 103 140 206 280 373 412 515 721 746 824 1030 1442 1492 1567 1865 2060 2611 2884 2984 3134 3605 3730 4120 5222 5768 6268 7210 7460 7835 10444 10969 12536 13055 14420 14920 15670 20888 21938 26110 28840 31340 38419 43876 52220 54845 62680 76838 87752 104440 109690 153676 161401 192095 219380 268933 307352 322802 384190 438760 537866 584491 645604 768380 807005 1075732 1129807 1168982 1291208 1344665 1536760 1614010 2151464 2259614 2337964 2689330 2922455 3228020 4091437 4519228 4675928 5378660 5649035 5844910 6456040 8182874 9038456 10757320 11298070 11689820 16365748 20457185 22596140 23379640 32731496 40914370 45192280 60202573 81828740 120405146 163657480 240810292 301012865 421418011 481620584 602025730 842836022 1204051460 1685672044 2107090055 2408102920 3371344088 4214180110 8428360220 16856720440
• Sum of all divisors σ(n): 43912028160
• Sum of proper divisors (its aliquot sum) s(n): 27055307720
• 16856720440 is an abundant number, because the sum of its proper divisors (27055307720) is greater than itself. Its abundance is 10198587280

Bases of 16856720440

• Binary: 1111101100101111010010010000111000₂
• Hexadecimal: 0x3ECBD2438
• Base-36: 7QS20QG

Squares and roots of 16856720440

• 16856720440 squared (16856720440²) is 284149023992313793600
• 16856720440 cubed (16856720440³) is 4789820660737286327471061184000
• The square root of 16856720440 is 129833.4334445485
• The cube root of 16856720440 is 2564.0374340553

Scales and comparisons

• 16,856,720,440 seconds is equal to 535 years, 51 weeks, 3 days, 22 hours, 20 minutes, 40 seconds.
• To count from 1 to 16,856,720,440 would take you about one thousand and seventy-one 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 16856720440 cubic inches would be around 213.7 feet tall.

Recreational maths with 16856720440

• 16856720440 backwards is 04402765861
• The number of decimal digits it has is: 11
• The sum of 16856720440's digits is 43
• More coming soon!