19788955648

Names of 19788955648

• Cardinal: 19788955648 can be written as Nineteen billion, seven hundred eighty-eight million, nine hundred fifty-five thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.9788955648 × 10¹⁰

Factors of 19788955648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 74

Divisors of 19788955648

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 23 28 31 32 44 46 56 62 64 77 88 92 112 121 124 128 154 161 176 184 217 224 242 248 253 256 308 322 341 352 368 434 448 484 496 506 512 616 644 682 704 713 736 847 868 896 968 992 1012 1024 1232 1288 1364 1408 1426 1472 1694 1736 1771 1792 1936 1984 2024 2048 2387 2464 2576 2728 2783 2816 2852 2944 3388 3472 3542 3584 3751 3872 3968 4048 4096 4774 4928 4991 5152 5456 5566 5632 5704 5888 6776 6944 7084 7168 7502 7744 7843 7936 8096 8192 9548 9856 9982 10304 10912 11132 11264 11408 11776 13552 13888 14168 14336 15004 15488 15686 15872 16192 16384 19096 19481 19712 19964 20608 21824 22264 22528 22816 23552 26257 27104 27776 28336 28672 30008 30976 31372 31744 32384 32768 38192 38962 39424 39928 41216 43648 44528 45056 45632 47104 52514 54208 54901 55552 56672 57344 60016 61952 62744 63488 64768 76384 77924 78848 79856 82432 86273 87296 89056 90112 91264 94208 105028 108416 109802 111104 113344 114688 120032 123904 125488 126976 129536 152768 155848 157696 159712 164864 172546 174592 178112 180224 182528 188416 210056 216832 219604 222208 226688 229376 240064 247808 250976 253952 259072 305536 311696 315392 319424 329728 345092 349184 356224 360448 365056 376832 420112 433664 439208 444416 453376 480128 495616 501952 507904 518144 603911 611072 623392 630784 638848 659456 690184 698368 712448 730112 753664 840224 867328 878416 888832 906752 960256 991232 1003904 1015808 1036288 1207822 1222144 1246784 1261568 1277696 1318912 1380368 1396736 1424896 1460224 1680448 1734656 1756832 1777664 1813504 1920512 1982464 2007808 2072576 2415644 2444288 2493568 2523136 2555392 2637824 2760736 2793472 2849792 2920448 3360896 3469312 3513664 3555328 3627008 3841024 3964928 4015616 4145152 4831288 4888576 4987136 5110784 5275648 5521472 5586944 5699584 5840896 6721792 6938624 7027328 7110656 7254016 7682048 8031232 8290304 9662576 9777152 9974272 10221568 11042944 11173888 11399168 11681792 13443584 13877248 14054656 14508032 15364096 16062464 19325152 19554304 19948544 20443136 22085888 22798336 23363584 26887168 27754496 28109312 29016064 30728192 32124928 38650304 39108608 39897088 40886272 44171776 45596672 53774336 56218624 58032128 61456384 64249856 77300608 78217216 79794176 81772544 88343552 91193344 107548672 112437248 122912768 128499712 154601216 159588352 163545088 176687104 215097344 224874496 256999424 309202432 319176704 353374208 430194688 449748992 618404864 638353408 706748416 860389376 899497984 1236809728 1413496832 1798995968 2473619456 2826993664 4947238912 9894477824 19788955648
• Sum of all divisors σ(n): 53552056320
• Sum of proper divisors (its aliquot sum) s(n): 33763100672
• 19788955648 is an abundant number, because the sum of its proper divisors (33763100672) is greater than itself. Its abundance is 13974145024

Bases of 19788955648

• Binary: 10010011011100000111000000000000000₂
• Hexadecimal: 0x49B838000
• Base-36: 939TZWG

Squares and roots of 19788955648

• 19788955648 squared (19788955648²) is 391602765638511099904
• 19788955648 cubed (19788955648³) is 7749409760854634556755953057792
• The square root of 19788955648 is 140673.2229246205
• The cube root of 19788955648 is 2704.8361267081

Scales and comparisons

• 19,788,955,648 seconds is equal to 629 years, 11 weeks, 5 days, 20 hours, 7 minutes, 28 seconds.
• To count from 1 to 19,788,955,648 would take you about one thousand, two hundred fifty-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 19788955648 cubic inches would be around 225.4 feet tall.

Recreational maths with 19788955648

• 19788955648 backwards is 84655988791
• The number of decimal digits it has is: 11
• The sum of 19788955648's digits is 70
• More coming soon!