15728424768

Names of 15728424768

• Cardinal: 15728424768 can be written as Fifteen billion, seven hundred twenty-eight million, four hundred twenty-four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.5728424768 × 10¹⁰

Factors of 15728424768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 36576

Divisors of 15728424768

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 107 112 126 144 168 192 214 224 252 288 321 336 428 448 504 576 642 672 749 856 963 1008 1284 1344 1498 1712 1926 2016 2247 2568 2996 3424 3852 4032 4494 5136 5992 6741 6848 7704 8988 10272 11984 13482 15408 17976 20544 23968 26964 30816 35952 36457 47936 53928 61632 71904 72914 107856 109371 143808 145828 215712 218742 255199 291656 328113 431424 437484 510398 583312 656226 765597 874968 1020796 1166624 1312452 1531194 1749936 2041592 2296791 2333248 2624904 3062388 3499872 3900899 4083184 4593582 5249808 6124776 6999744 7801798 8166368 9187164 10499616 11702697 12249552 15603596 16332736 18374328 20999232 23405394 24499104 27306293 31207192 35108091 36748656 46810788 48998208 54612586 62414384 70216182 73497312 81918879 93621576 109225172 124828768 140432364 146994624 163837758 187243152 218450344 245756637 249657536 280864728 327675516 374486304 436900688 491513274 561729456 655351032 748972608 873801376 983026548 1123458912 1310702064 1747602752 1966053096 2246917824 2621404128 3932106192 5242808256 7864212384 15728424768
• Sum of all divisors σ(n): 52006024512
• Sum of proper divisors (its aliquot sum) s(n): 36277599744
• 15728424768 is an abundant number, because the sum of its proper divisors (36277599744) is greater than itself. Its abundance is 20549174976

Bases of 15728424768

• Binary: 1110101001011111001011011101000000₂
• Hexadecimal: 0x3A97CB740
• Base-36: 784AQ80

Squares and roots of 15728424768

• 15728424768 squared (15728424768²) is 247383345682635853824
• 15728424768 cubed (15728424768³) is 3890950341425475630810229112832
• The square root of 15728424768 is 125413.0167406877
• The cube root of 15728424768 is 2505.5038617371

Scales and comparisons

• 15,728,424,768 seconds is equal to 500 years, 5 weeks, 6 days, 22 hours, 52 minutes, 48 seconds.
• To count from 1 to 15,728,424,768 would take you about one thousand 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 15728424768 cubic inches would be around 208.8 feet tall.

Recreational maths with 15728424768

• 15728424768 backwards is 86742482751
• The number of decimal digits it has is: 11
• The sum of 15728424768's digits is 54
• More coming soon!