1338660720

Names of 1338660720

• Cardinal: 1338660720 can be written as One billion, three hundred thirty-eight million, six hundred sixty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.33866072 × 10⁹

Factors of 1338660720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 615

Divisors of 1338660720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 115 120 138 144 180 184 207 229 230 240 276 345 353 360 368 414 458 460 552 687 690 706 720 828 916 920 1035 1059 1104 1145 1374 1380 1412 1656 1765 1832 1840 2061 2070 2118 2290 2748 2760 2824 3177 3312 3435 3530 3664 4122 4140 4236 4580 5267 5295 5496 5520 5648 6354 6870 7060 8119 8244 8280 8472 9160 10305 10534 10590 10992 12708 13740 14120 15801 15885 16238 16488 16560 16944 18320 20610 21068 21180 24357 25416 26335 27480 28240 31602 31770 32476 32976 40595 41220 42136 42360 47403 48714 50832 52670 54960 63204 63540 64952 73071 79005 80837 81190 82440 84272 84720 94806 97428 105340 121785 126408 127080 129904 146142 158010 161674 162380 164880 189612 194856 210680 237015 242511 243570 252816 254160 292284 316020 323348 324760 365355 379224 389712 404185 421360 474030 485022 487140 584568 632040 646696 649520 727533 730710 758448 808370 948060 970044 974280 1169136 1212555 1264080 1293392 1455066 1461420 1616740 1859251 1896120 1940088 1948560 2425110 2910132 2922840 3233480 3637665 3718502 3792240 3880176 4850220 5577753 5820264 5845680 6466960 7275330 7437004 9296255 9700440 11155506 11640528 14550660 14874008 16733259 18592510 19400880 22311012 27888765 29101320 29748016 33466518 37185020 44622024 55777530 58202640 66933036 74370040 83666295 89244048 111555060 133866072 148740080 167332590 223110120 267732144 334665180 446220240 669330360 1338660720
• Sum of all divisors σ(n): 4724965440
• Sum of proper divisors (its aliquot sum) s(n): 3386304720
• 1338660720 is an abundant number, because the sum of its proper divisors (3386304720) is greater than itself. Its abundance is 2047644000

Bases of 1338660720

• Binary: 1001111110010100101011101110000₂
• Hexadecimal: 0x4FCA5770
• Base-36: M50580

Squares and roots of 1338660720

• 1338660720 squared (1338660720²) is 1792012523270918400
• 1338660720 cubed (1338660720³) is 2398896774650864380405248000
• The square root of 1338660720 is 36587.7126915581
• The cube root of 1338660720 is 1102.1063552171

Scales and comparisons

• 1,338,660,720 seconds is equal to 42 years, 29 weeks, 2 days, 18 hours, 12 minutes.
• To count from 1 to 1,338,660,720 would take you about eighty-five 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 1338660720 cubic inches would be around 91.8 feet tall.

Recreational maths with 1338660720

• 1338660720 backwards is 0270668331
• 1338660720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1338660720's digits is 36
• More coming soon!