15138398080

Names of 15138398080

• Cardinal: 15138398080 can be written as Fifteen billion, one hundred thirty-eight million, three hundred ninety-eight thousand and eighty.

Scientific notation

• Scientific notation: 1.513839808 × 10¹⁰

Factors of 15138398080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2176

Divisors of 15138398080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 67 80 104 128 130 134 160 169 208 260 268 320 335 338 416 520 536 640 670 676 832 845 871 1040 1072 1340 1352 1664 1690 1742 2080 2089 2144 2680 2704 3380 3484 4160 4178 4288 4355 5360 5408 6760 6968 8320 8356 8576 8710 10445 10720 10816 11323 13520 13936 16712 17420 20890 21440 21632 22646 27040 27157 27872 33424 34840 41780 42880 45292 54080 54314 55744 56615 66848 69680 83560 90584 108160 108628 111488 113230 133696 135785 139360 139963 167120 181168 217256 226460 267392 271570 278720 279926 334240 353041 362336 434512 452920 543140 557440 559852 668480 699815 706082 724672 869024 905840 1086280 1119704 1336960 1399630 1412164 1449344 1738048 1765205 1811680 1819519 2172560 2239408 2799260 2824328 3476096 3530410 3623360 3639038 4345120 4478816 5598520 5648656 7060820 7246720 7278076 8690240 8957632 9097595 11197040 11297312 14121640 14556152 17380480 17915264 18195190 22394080 22594624 23653747 28243280 29112304 36390380 44788160 45189248 47307494 56486560 58224608 72780760 89576320 94614988 112973120 116449216 118268735 145561520 189229976 225946240 232898432 236537470 291123040 378459952 473074940 582246080 756919904 946149880 1164492160 1513839808 1892299760 3027679616 3784599520 7569199040 15138398080
• Sum of all divisors σ(n): 39792178800
• Sum of proper divisors (its aliquot sum) s(n): 24653780720
• 15138398080 is an abundant number, because the sum of its proper divisors (24653780720) is greater than itself. Its abundance is 9515382640

Bases of 15138398080

• Binary: 1110000110010100011001111110000000₂
• Hexadecimal: 0x386519F80
• Base-36: 6YD0EPS

Squares and roots of 15138398080

• 15138398080 squared (15138398080²) is 229171096428547686400
• 15138398080 cubed (15138398080³) is 3469283286165421152986202112000
• The square root of 15138398080 is 123038.1976460969
• The cube root of 15138398080 is 2473.7737328377

Scales and comparisons

• 15,138,398,080 seconds is equal to 481 years, 18 weeks, 2 days, 22 hours, 34 minutes, 40 seconds.
• To count from 1 to 15,138,398,080 would take you about nine hundred sixty-two 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 15138398080 cubic inches would be around 206.1 feet tall.

Recreational maths with 15138398080

• 15138398080 backwards is 08089383151
• The number of decimal digits it has is: 11
• The sum of 15138398080's digits is 46
• More coming soon!