1390428160

Names of 1390428160

• Cardinal: 1390428160 can be written as One billion, three hundred ninety million, four hundred twenty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.39042816 × 10⁹

Factors of 1390428160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1561

Divisors of 1390428160

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1408 1543 1760 2048 2560 2816 3086 3520 4096 5120 5632 6172 7040 7715 8192 10240 11264 12344 14080 15430 16384 16973 20480 22528 24688 28160 30860 33946 40960 45056 49376 56320 61720 67892 81920 84865 90112 98752 112640 123440 135784 169730 180224 197504 225280 246880 271568 339460 395008 450560 493760 543136 678920 790016 901120 987520 1086272 1357840 1580032 1975040 2172544 2715680 3160064 3950080 4345088 5431360 6320128 7900160 8690176 10862720 12640256 15800320 17380352 21725440 25280512 31600640 34760704 43450880 63201280 69521408 86901760 126402560 139042816 173803520 278085632 347607040 695214080 1390428160
• Sum of all divisors σ(n): 3642641856
• Sum of proper divisors (its aliquot sum) s(n): 2252213696
• 1390428160 is an abundant number, because the sum of its proper divisors (2252213696) is greater than itself. Its abundance is 861785536

Bases of 1390428160

• Binary: 1010010111000000100000000000000₂
• Hexadecimal: 0x52E04000
• Base-36: MZTP8G

Squares and roots of 1390428160

• 1390428160 squared (1390428160²) is 1933290468120985600
• 1390428160 cubed (1390428160³) is 2688101508335000665194496000
• The square root of 1390428160 is 37288.4453953233
• The cube root of 1390428160 is 1116.1336068163

Scales and comparisons

• 1,390,428,160 seconds is equal to 44 years, 10 weeks, 6 days, 22 hours, 2 minutes, 40 seconds.
• To count from 1 to 1,390,428,160 would take you about eighty-eight 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 1390428160 cubic inches would be around 93 feet tall.

Recreational maths with 1390428160

• 1390428160 backwards is 0618240931
• The number of decimal digits it has is: 10
• The sum of 1390428160's digits is 34
• More coming soon!