2145162816

Names of 2145162816

• Cardinal: 2145162816 can be written as Two billion, one hundred forty-five million, one hundred sixty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.145162816 × 10⁹

Factors of 2145162816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3096

Divisors of 2145162816

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 73 96 102 136 144 146 153 192 204 219 272 288 292 306 408 438 544 576 584 612 657 816 876 1088 1168 1224 1241 1314 1632 1752 2336 2448 2482 2628 3001 3264 3504 3723 4672 4896 4964 5256 6002 7008 7446 9003 9792 9928 10512 11169 12004 14016 14892 18006 19856 21024 22338 24008 27009 29784 36012 39712 42048 44676 48016 51017 54018 59568 72024 79424 89352 96032 102034 108036 119136 144048 153051 178704 192064 204068 216072 219073 238272 288096 306102 357408 408136 432144 438146 459153 576192 612204 657219 714816 816272 864288 876292 918306 1224408 1314438 1632544 1728576 1752584 1836612 1971657 2448816 2628876 3265088 3505168 3673224 3724241 3943314 4897632 5257752 7010336 7346448 7448482 7886628 9795264 10515504 11172723 14020672 14692896 14896964 15773256 21031008 22345446 29385792 29793928 31546512 33518169 42062016 44690892 59587856 63093024 67036338 89381784 119175712 126186048 134072676 178763568 238351424 268145352 357527136 536290704 715054272 1072581408 2145162816
• Sum of all divisors σ(n): 6601794264
• Sum of proper divisors (its aliquot sum) s(n): 4456631448
• 2145162816 is an abundant number, because the sum of its proper divisors (4456631448) is greater than itself. Its abundance is 2311468632

Bases of 2145162816

• Binary: 1111111110111001001011001000000₂
• Hexadecimal: 0x7FDC9640
• Base-36: ZH6A80

Squares and roots of 2145162816

• 2145162816 squared (2145162816²) is 4601723507149049856
• 2145162816 cubed (2145162816³) is 9871446157049251920821354496
• The square root of 2145162816 is 46315.9024094317
• The cube root of 2145162816 is 1289.6942199343

Scales and comparisons

• 2,145,162,816 seconds is equal to 68 years, 10 weeks, 6 days, 6 hours, 33 minutes, 36 seconds.
• To count from 1 to 2,145,162,816 would take you about one hundred thirty-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 2145162816 cubic inches would be around 107.5 feet tall.

Recreational maths with 2145162816

• 2145162816 backwards is 6182615412
• 2145162816 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2145162816's digits is 36
• More coming soon!