1397440000

Names of 1397440000

• Cardinal: 1397440000 can be written as One billion, three hundred ninety-seven million, four hundred forty thousand.

Scientific notation

• Scientific notation: 1.39744 × 10⁹

Factors of 1397440000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 415

Divisors of 1397440000

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 128 160 176 200 220 250 256 275 320 352 397 400 440 500 512 550 625 640 704 794 800 880 1000 1100 1250 1280 1375 1408 1588 1600 1760 1985 2000 2200 2500 2560 2750 2816 3176 3200 3520 3970 4000 4367 4400 5000 5500 5632 6352 6400 6875 7040 7940 8000 8734 8800 9925 10000 11000 12704 12800 13750 14080 15880 16000 17468 17600 19850 20000 21835 22000 25408 27500 28160 31760 32000 34936 35200 39700 40000 43670 44000 49625 50816 55000 63520 64000 69872 70400 79400 80000 87340 88000 99250 101632 109175 110000 127040 139744 140800 158800 160000 174680 176000 198500 203264 218350 220000 248125 254080 279488 317600 320000 349360 352000 397000 436700 440000 496250 508160 545875 558976 635200 698720 704000 794000 873400 880000 992500 1016320 1091750 1117952 1270400 1397440 1588000 1746800 1760000 1985000 2183500 2235904 2540800 2729375 2794880 3176000 3493600 3520000 3970000 4367000 5081600 5458750 5589760 6352000 6987200 7940000 8734000 10917500 11179520 12704000 13974400 15880000 17468000 21835000 25408000 27948800 31760000 34936000 43670000 55897600 63520000 69872000 87340000 127040000 139744000 174680000 279488000 349360000 698720000 1397440000
• Sum of all divisors σ(n): 3815847288
• Sum of proper divisors (its aliquot sum) s(n): 2418407288
• 1397440000 is an abundant number, because the sum of its proper divisors (2418407288) is greater than itself. Its abundance is 1020967288

Bases of 1397440000

• Binary: 1010011010010110011111000000000₂
• Hexadecimal: 0x534B3E00
• Base-36: N3ZZLS

Squares and roots of 1397440000

• 1397440000 squared (1397440000²) is 1952838553600000000
• 1397440000 cubed (1397440000³) is 2728974708342784000000000000
• The square root of 1397440000 is 37382.3487758595
• The cube root of 1397440000 is 1118.0066584987

Scales and comparisons

• 1,397,440,000 seconds is equal to 44 years, 22 weeks, 4 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 1,397,440,000 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 1397440000 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397440000

• 1397440000 backwards is 0000447931
• The number of decimal digits it has is: 10
• The sum of 1397440000's digits is 28
• More coming soon!