16689729420

Names of 16689729420

• Cardinal: 16689729420 can be written as Sixteen billion, six hundred eighty-nine million, seven hundred twenty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.668972942 × 10¹⁰

Factors of 16689729420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4636

Divisors of 16689729420

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 233 234 252 260 273 315 364 390 420 455 466 468 546 585 630 699 780 819 910 932 1092 1165 1170 1260 1365 1398 1631 1638 1820 2097 2330 2340 2730 2796 3029 3262 3276 3495 4095 4194 4373 4660 4893 5460 6058 6524 6990 8155 8190 8388 8746 9087 9786 10485 12116 13119 13980 14679 15145 16310 16380 17492 18174 19572 20970 21203 21865 24465 26238 27261 29358 30290 30611 32620 36348 39357 41940 42406 43730 45435 48930 52476 54522 56849 58716 60580 61222 63609 65595 73395 78714 84812 87460 90870 91833 97860 106015 109044 113698 122444 127218 131190 136305 146790 153055 157428 170547 181740 183666 190827 196785 212030 227396 254436 262380 272610 275499 284245 293580 306110 318045 341094 367332 381654 393570 397943 424060 459165 511641 545220 550998 568490 612220 636090 682188 763308 787140 795886 852735 918330 954135 1018909 1023282 1101996 1136980 1193829 1272180 1377495 1591772 1705470 1836660 1908270 1989715 2037818 2046564 2387658 2558205 2754990 3056727 3410940 3581487 3816540 3979430 4075636 4775316 5094545 5116410 5509980 5969145 6113454 7132363 7162974 7958860 9170181 10189090 10232820 11938290 12226908 13245817 14264726 14325948 15283635 17907435 18340362 20378180 21397089 23876580 26491634 28529452 30567270 35661815 35814870 36680724 39737451 42794178 45850905 52983268 61134540 64191267 66229085 71323630 71629740 79474902 85588356 91701810 92720719 106985445 119212353 128382534 132458170 142647260 158949804 183403620 185441438 198687255 213970890 238424706 256765068 264916340 278162157 320956335 370882876 397374510 427941780 463603595 476849412 556324314 596061765 641912670 794749020 834486471 927207190 1112648628 1192123530 1283825340 1390810785 1668972942 1854414380 2384247060 2781621570 3337945884 4172432355 5563243140 8344864710 16689729420
• Sum of all divisors σ(n): 62590050432
• Sum of proper divisors (its aliquot sum) s(n): 45900321012
• 16689729420 is an abundant number, because the sum of its proper divisors (45900321012) is greater than itself. Its abundance is 29210591592

Bases of 16689729420

• Binary: 1111100010110010010000111110001100₂
• Hexadecimal: 0x3E2C90F8C
• Base-36: 7O0MTN0

Squares and roots of 16689729420

• 16689729420 squared (16689729420²) is 278547068112813536400
• 16689729420 cubed (16689729420³) is 4648875197537167957429320888000
• The square root of 16689729420 is 129188.7356544679
• The cube root of 16689729420 is 2555.5424452999

Scales and comparisons

• 16,689,729,420 seconds is equal to 530 years, 35 weeks, 3 days, 3 hours, 57 minutes.
• To count from 1 to 16,689,729,420 would take you about one thousand and sixty-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 16689729420 cubic inches would be around 213 feet tall.

Recreational maths with 16689729420

• 16689729420 backwards is 02492798661
• The number of decimal digits it has is: 11
• The sum of 16689729420's digits is 54
• More coming soon!