1999025028

Names of 1999025028

• Cardinal: 1999025028 can be written as One billion, nine hundred ninety-nine million, twenty-five thousand and twenty-eight.

Scientific notation

• Scientific notation: 1.999025028 × 10⁹

Factors of 1999025028

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 77

Divisors of 1999025028

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 27 28 33 36 39 41 42 44 52 54 63 66 77 78 82 84 91 99 108 117 121 123 126 132 143 154 156 164 182 189 198 231 234 242 246 252 273 286 287 297 308 351 363 364 369 378 396 429 451 462 468 484 492 533 546 572 574 594 693 702 726 738 756 819 847 858 861 902 924 1001 1066 1089 1092 1107 1148 1188 1287 1353 1386 1404 1452 1476 1573 1599 1638 1681 1694 1716 1722 1804 2002 2079 2132 2178 2214 2457 2541 2574 2583 2706 2772 3003 3146 3157 3198 3267 3276 3362 3388 3444 3731 3861 4004 4059 4158 4356 4428 4719 4797 4914 4961 5043 5082 5148 5166 5412 5863 6006 6292 6314 6396 6534 6724 7462 7623 7722 7749 8118 8316 9009 9438 9471 9594 9828 9922 10086 10164 10332 11011 11193 11726 11767 12012 12177 12628 13068 14157 14391 14883 14924 15129 15246 15444 15498 16236 17589 18018 18491 18876 18942 19188 19844 20172 21853 22022 22386 22869 23452 23534 24354 27027 28314 28413 28782 29766 30258 30492 30996 33033 33579 34727 35178 35301 36036 36982 37884 41041 42471 43706 44044 44649 44772 45387 45738 47068 48708 52767 54054 55473 56628 56826 57564 59532 60516 64493 65559 66066 67158 69454 70356 70602 73964 82082 84942 85239 87412 89298 90774 91476 99099 100737 104181 105534 105903 108108 110946 113652 123123 128986 129437 131118 132132 133947 134316 138908 141204 152971 158301 164164 166419 169884 170478 178596 181548 193479 196677 198198 201474 203401 208362 211068 211806 221892 240383 246246 257972 258874 262236 267894 297297 305942 312543 316602 317709 332838 340956 369369 386958 388311 393354 396396 402948 406802 416724 423612 451451 458913 480766 492492 499257 517748 535788 580437 590031 594594 610203 611884 625086 633204 635418 665676 721149 738738 773916 776622 786708 813604 902902 917826 937629 961532 998514 1108107 1160874 1164933 1180062 1189188 1220406 1250172 1270836 1354353 1376739 1423807 1442298 1477476 1553244 1682681 1741311 1805804 1830609 1835652 1875258 1997028 2163447 2216214 2321748 2329866 2360124 2440812 2644213 2708706 2753478 2847614 2884596 3365362 3482622 3494799 3661218 3750516 4063059 4130217 4271421 4326894 4432428 4659732 5048043 5288426 5417412 5491827 5506956 5695228 6490341 6730724 6965244 6989598 7322436 7932639 8126118 8260434 8542842 8653788 10096086 10576852 10983654 12189177 12814263 12980682 13979196 15144129 15865278 16252236 16520868 17085684 18509491 20192172 21967308 23797917 24378354 25628526 25961364 30288258 31730556 37018982 38442789 45432387 47595834 48756708 51257052 55528473 60576516 71393751 74037964 76885578 90864774 95191668 111056946 142787502 153771156 166585419 181729548 222113892 285575004 333170838 499756257 666341676 999512514 1999025028
• Sum of all divisors σ(n): 7186426240
• Sum of proper divisors (its aliquot sum) s(n): 5187401212
• 1999025028 is an abundant number, because the sum of its proper divisors (5187401212) is greater than itself. Its abundance is 3188376184

Bases of 1999025028

• Binary: 1110111001001101011001110000100₂
• Hexadecimal: 0x7726B384
• Base-36: X261L0

Squares and roots of 1999025028

• 1999025028 squared (1999025028²) is 3996101062570400784
• 1999025028 cubed (1999025028³) is 7988306038495625179206821952
• The square root of 1999025028 is 44710.4577028685
• The cube root of 1999025028 is 1259.7162853271

Scales and comparisons

• 1,999,025,028 seconds is equal to 63 years, 29 weeks, 1 day, 20 hours, 43 minutes, 48 seconds.
• To count from 1 to 1,999,025,028 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 1999025028 cubic inches would be around 105 feet tall.

Recreational maths with 1999025028

• 1999025028 backwards is 8205209991
• The number of decimal digits it has is: 10
• The sum of 1999025028's digits is 45
• More coming soon!