13238747280

Names of 13238747280

• Cardinal: 13238747280 can be written as Thirteen billion, two hundred thirty-eight million, seven hundred forty-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.323874728 × 10¹⁰

Factors of 13238747280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 98365

Divisors of 13238747280

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 30 33 34 36 40 44 45 48 51 55 60 66 68 72 80 85 88 90 99 102 110 120 132 136 144 153 165 170 176 180 187 198 204 220 240 255 264 272 306 330 340 360 374 396 408 440 495 510 528 561 612 660 680 720 748 765 792 816 880 935 990 1020 1122 1224 1320 1360 1496 1530 1584 1683 1870 1980 2040 2244 2448 2640 2805 2992 3060 3366 3740 3960 4080 4488 5610 6120 6732 7480 7920 8415 8976 11220 12240 13464 14960 16830 22440 26928 33660 44880 67320 98327 134640 196654 294981 393308 491635 589962 786616 884943 983270 1081597 1179924 1474905 1573232 1671559 1769886 1966540 2163194 2359848 2949810 3244791 3343118 3539772 3933080 4326388 4424715 4719696 5014677 5407985 5899620 6489582 6686236 7079544 7866160 8357795 8652776 8849430 9734373 10029354 10815970 11799240 12979164 13372472 14159088 15044031 16223955 16715590 17305552 17698860 18387149 19468746 20058708 21631940 23598480 25073385 25958328 26744944 30088062 32447910 33431180 35397720 36774298 38937492 40117416 43263880 48671865 50146770 51916656 55161447 60176124 64895820 66862360 70795440 73548596 75220155 77874984 80234832 86527760 91935745 97343730 100293540 110322894 120352248 129791640 133724720 147097192 150440310 155749968 165484341 183871490 194687460 200587080 220645788 240704496 259583280 275807235 294194384 300880620 330968682 367742980 389374920 401174160 441291576 551614470 601761240 661937364 735485960 778749840 827421705 882583152 1103228940 1203522480 1323874728 1470971920 1654843410 2206457880 2647749456 3309686820 4412915760 6619373640 13238747280
• Sum of all divisors σ(n): 51355534464
• Sum of proper divisors (its aliquot sum) s(n): 38116787184
• 13238747280 is an abundant number, because the sum of its proper divisors (38116787184) is greater than itself. Its abundance is 24878039904

Bases of 13238747280

• Binary: 1100010101000101110100000010010000₂
• Hexadecimal: 0x315174090
• Base-36: 62Y0AS0

Squares and roots of 13238747280

• 13238747280 squared (13238747280²) is 175264429543707398400
• 13238747280 cubed (13238747280³) is 2320281489902507961683876352000
• The square root of 13238747280 is 115059.7552578659
• The cube root of 13238747280 is 2365.6416830671

Scales and comparisons

• 13,238,747,280 seconds is equal to 420 years, 49 weeks, 3 days, 5 hours, 48 minutes.
• To count from 1 to 13,238,747,280 would take you about eight hundred forty-one 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 13238747280 cubic inches would be around 197.1 feet tall.

Recreational maths with 13238747280

• 13238747280 backwards is 08274783231
• 13238747280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13238747280's digits is 45
• More coming soon!