1680969920

Names of 1680969920

• Cardinal: 1680969920 can be written as One billion, six hundred eighty million, nine hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.68096992 × 10⁹

Factors of 1680969920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 385

Divisors of 1680969920

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 113 116 140 145 160 203 224 226 229 232 280 290 320 406 448 452 458 464 560 565 580 791 812 904 916 928 1015 1120 1130 1145 1160 1582 1603 1624 1808 1832 1856 2030 2240 2260 2290 2320 3164 3206 3248 3277 3616 3664 3955 4060 4520 4580 4640 6328 6412 6496 6554 6641 7232 7328 7910 8015 8120 9040 9160 9280 12656 12824 12992 13108 13282 14656 15820 16030 16240 16385 18080 18320 22939 25312 25648 25877 26216 26564 31640 32060 32480 32770 33205 36160 36640 45878 46487 50624 51296 51754 52432 53128 63280 64120 64960 65540 66410 73280 91756 92974 102592 103508 104864 106256 114695 126560 128240 129385 131080 132820 181139 183512 185948 207016 209728 212512 229390 232435 253120 256480 258770 262160 265640 362278 367024 371896 414032 425024 458780 464870 512960 517540 524320 531280 724556 734048 743792 750433 828064 905695 917560 929740 1035080 1048640 1062560 1449112 1468096 1487584 1500866 1656128 1811390 1835120 1859480 2070160 2125120 2898224 2975168 3001732 3622780 3670240 3718960 3752165 4140320 5253031 5796448 6003464 7245560 7340480 7437920 7504330 8280640 10506062 11592896 12006928 14491120 14875840 15008660 21012124 24013856 26265155 28982240 30017320 42024248 48027712 52530310 57964480 60034640 84048496 105060620 120069280 168096992 210121240 240138560 336193984 420242480 840484960 1680969920
• Sum of all divisors σ(n): 4795113600
• Sum of proper divisors (its aliquot sum) s(n): 3114143680
• 1680969920 is an abundant number, because the sum of its proper divisors (3114143680) is greater than itself. Its abundance is 1433173760

Bases of 1680969920

• Binary: 1100100001100011001000011000000₂
• Hexadecimal: 0x643190C0
• Base-36: RST0OW

Squares and roots of 1680969920

• 1680969920 squared (1680969920²) is 2825659871944806400
• 1680969920 cubed (1680969920³) is 4749849248890271458623488000
• The square root of 1680969920 is 40999.6331690907
• The cube root of 1680969920 is 1189.0131214919

Scales and comparisons

• 1,680,969,920 seconds is equal to 53 years, 23 weeks, 2 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,680,969,920 would take you about one hundred six 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 1680969920 cubic inches would be around 99.1 feet tall.

Recreational maths with 1680969920

• 1680969920 backwards is 0299690861
• The number of decimal digits it has is: 10
• The sum of 1680969920's digits is 50
• More coming soon!