1609990668

Names of 1609990668

• Cardinal: 1609990668 can be written as One billion, six hundred nine million, nine hundred ninety thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.609990668 × 10⁹

Factors of 1609990668

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 29

Divisors of 1609990668

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 27 33 36 39 44 52 54 66 78 81 99 108 117 121 132 143 156 162 169 198 234 242 243 286 297 324 338 351 363 396 429 468 484 486 507 572 594 676 702 726 729 858 891 972 1014 1053 1089 1188 1287 1404 1452 1458 1521 1573 1716 1782 1859 2028 2106 2178 2187 2574 2673 2916 3042 3146 3159 3267 3564 3718 3861 4212 4356 4374 4563 4719 5148 5346 5577 6084 6292 6318 6534 6561 7436 7722 8019 8748 9126 9438 9477 9801 10692 11154 11583 12636 13068 13122 13689 14157 15444 16038 16731 18252 18876 18954 19602 19683 20449 22308 23166 24057 26244 27378 28314 28431 29403 32076 33462 34749 37908 39204 39366 40898 41067 42471 46332 48114 50193 54756 56628 56862 58806 61347 66924 69498 72171 78732 81796 82134 84942 85293 88209 96228 100386 104247 113724 117612 122694 123201 127413 138996 144342 150579 164268 169884 170586 176418 184041 200772 208494 216513 245388 246402 254826 255879 264627 288684 301158 312741 341172 352836 368082 369603 382239 416988 433026 451737 492804 509652 511758 529254 552123 602316 625482 736164 739206 764478 793881 866052 903474 938223 1023516 1058508 1104246 1108809 1146717 1250964 1355211 1478412 1528956 1587762 1656369 1806948 1876446 2208492 2217618 2293434 2381643 2710422 2814669 3175524 3312738 3326427 3440151 3752892 4065633 4435236 4586868 4763286 4969107 5420844 5629338 6625476 6652854 6880302 8131266 9526572 9938214 10320453 11258676 12196899 13305708 13760604 14907321 16262532 19876428 20640906 24393798 29814642 30961359 36590697 41281812 44721963 48787596 59629284 61922718 73181394 89443926 123845436 134165889 146362788 178887852 268331778 402497667 536663556 804995334 1609990668
• Sum of all divisors σ(n): 5030092452
• Sum of proper divisors (its aliquot sum) s(n): 3420101784
• 1609990668 is an abundant number, because the sum of its proper divisors (3420101784) is greater than itself. Its abundance is 1810111116

Bases of 1609990668

• Binary: 1011111111101101000001000001100₂
• Hexadecimal: 0x5FF6820C
• Base-36: QMJOR0

Squares and roots of 1609990668

• 1609990668 squared (1609990668²) is 2592069951047086224
• 1609990668 cubed (1609990668³) is 4173208431989025649231357632
• The square root of 1609990668 is 40124.6890081407
• The cube root of 1609990668 is 1172.0364533773

Scales and comparisons

• 1,609,990,668 seconds is equal to 51 years, 10 weeks, 3 hours, 37 minutes, 48 seconds.
• To count from 1 to 1,609,990,668 would take you about one hundred 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 1609990668 cubic inches would be around 97.7 feet tall.

Recreational maths with 1609990668

• 1609990668 backwards is 8660999061
• 1609990668 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1609990668's digits is 54
• More coming soon!