1999090464

Names of 1999090464

• Cardinal: 1999090464 can be written as One billion, nine hundred ninety-nine million, ninety thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.999090464 × 10⁹

Factors of 1999090464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 143

Divisors of 1999090464

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 41 42 48 53 56 74 82 84 96 106 111 112 123 148 159 164 168 212 222 224 246 259 287 296 318 328 336 371 424 444 492 518 574 592 636 656 672 742 777 848 861 888 984 1036 1113 1148 1184 1272 1312 1369 1484 1517 1554 1696 1722 1776 1961 1968 2072 2173 2226 2296 2544 2738 2968 3034 3108 3444 3552 3922 3936 4107 4144 4346 4452 4551 4592 5088 5476 5883 5936 6068 6216 6519 6888 7844 8214 8288 8692 8904 9102 9184 9583 10619 10952 11766 11872 12136 12432 13038 13727 13776 15211 15688 16428 17384 17808 18204 19166 21238 21904 23532 24272 24864 26076 27454 27552 28749 30422 31376 31857 32856 34768 35616 36408 38332 41181 42476 43808 45633 47064 48544 52152 54908 56129 57498 60844 62752 63714 65712 69536 72557 72816 76664 80401 82362 84952 91266 94128 104304 109816 112258 114996 121688 127428 131424 145114 145632 153328 160802 164724 168387 169904 182532 188256 208608 217671 219632 224516 229992 241203 243376 254856 290228 306656 321604 329448 336774 339808 365064 392903 435342 439264 449032 459984 482406 486752 507899 509712 562807 580456 643208 658896 673548 730128 785806 870684 898064 919968 964812 1015798 1019424 1125614 1160912 1178709 1286416 1317792 1347096 1460256 1523697 1571612 1688421 1741368 1796128 1929624 2031596 2251228 2321824 2357418 2572832 2694192 2974837 3047394 3143224 3376842 3482736 3859248 4063192 4502456 4714836 5388384 5949674 6094788 6286448 6753684 6965472 7718496 8126384 8924511 9004912 9429672 11899348 12189576 12572896 13507368 16252768 17849022 18009824 18859344 20823859 23798696 24379152 27014736 35698044 37718688 41647718 47597392 48758304 54029472 62471577 71396088 83295436 95194784 124943154 142792176 166590872 249886308 285584352 333181744 499772616 666363488 999545232 1999090464
• Sum of all divisors σ(n): 6433209216
• Sum of proper divisors (its aliquot sum) s(n): 4434118752
• 1999090464 is an abundant number, because the sum of its proper divisors (4434118752) is greater than itself. Its abundance is 2435028288

Bases of 1999090464

• Binary: 1110111001001111011001100100000₂
• Hexadecimal: 0x7727B320
• Base-36: X27G2O

Squares and roots of 1999090464

• 1999090464 squared (1999090464²) is 3996362683255735296
• 1999090464 cubed (1999090464³) is 7989090530781992903541817344
• The square root of 1999090464 is 44711.1894719879
• The cube root of 1999090464 is 1259.7300303435

Scales and comparisons

• 1,999,090,464 seconds is equal to 63 years, 29 weeks, 2 days, 14 hours, 54 minutes, 24 seconds.
• To count from 1 to 1,999,090,464 would take you about one hundred twenty-seven 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 1999090464 cubic inches would be around 105 feet tall.

Recreational maths with 1999090464

• 1999090464 backwards is 4640909991
• The number of decimal digits it has is: 10
• The sum of 1999090464's digits is 51
• More coming soon!