2121377440

Names of 2121377440

• Cardinal: 2121377440 can be written as Two billion, one hundred twenty-one million, three hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.12137744 × 10⁹

Factors of 2121377440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 791

Divisors of 2121377440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 91 104 112 130 140 160 182 208 224 260 280 364 367 397 416 455 520 560 728 734 794 910 1040 1120 1456 1468 1588 1820 1835 1985 2080 2569 2779 2912 2936 3176 3640 3670 3970 4771 5138 5161 5558 5872 6352 7280 7340 7940 9542 10276 10322 11116 11744 12704 12845 13895 14560 14680 15880 19084 20552 20644 22232 23855 25690 25805 27790 29360 31760 33397 36127 38168 41104 41288 44464 47710 51380 51610 55580 58720 63520 66794 72254 76336 82208 82576 88928 95420 102760 103220 111160 133588 144508 145699 152672 165152 166985 180635 190840 205520 206440 222320 267176 289016 291398 333970 361270 381680 411040 412880 444640 534352 578032 582796 667940 722540 728495 763360 825760 1019893 1068704 1156064 1165592 1335880 1445080 1456990 1894087 2039786 2331184 2671760 2890160 2913980 3788174 4079572 4662368 5099465 5343520 5780320 5827960 7576348 8159144 9470435 10198930 11655920 13258609 15152696 16318288 18940870 20397860 23311840 26517218 30305392 32636576 37881740 40795720 53034436 60610784 66293045 75763480 81591440 106068872 132586090 151526960 163182880 212137744 265172180 303053920 424275488 530344360 1060688720 2121377440
• Sum of all divisors σ(n): 6200699904
• Sum of proper divisors (its aliquot sum) s(n): 4079322464
• 2121377440 is an abundant number, because the sum of its proper divisors (4079322464) is greater than itself. Its abundance is 1957945024

Bases of 2121377440

• Binary: 1111110011100011010011010100000₂
• Hexadecimal: 0x7E71A6A0
• Base-36: Z30HB4

Squares and roots of 2121377440

• 2121377440 squared (2121377440²) is 4500242242940953600
• 2121377440 cubed (2121377440³) is 9546712368709938219126784000
• The square root of 2121377440 is 46058.4133465321
• The cube root of 2121377440 is 1284.9098212239

Scales and comparisons

• 2,121,377,440 seconds is equal to 67 years, 23 weeks, 3 days, 23 hours, 30 minutes, 40 seconds.
• To count from 1 to 2,121,377,440 would take you about one hundred thirty-four 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 2121377440 cubic inches would be around 107.1 feet tall.

Recreational maths with 2121377440

• 2121377440 backwards is 0447731212
• The number of decimal digits it has is: 10
• The sum of 2121377440's digits is 31
• More coming soon!