398420086428

Names of 398420086428

• Cardinal: 398420086428 can be written as Three hundred ninety-eight billion, four hundred twenty million, eighty-six thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.98420086428 × 10¹¹

Factors of 398420086428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 62

Divisors of 398420086428

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 37 39 42 49 52 63 74 78 84 91 98 111 117 126 147 148 156 182 196 222 234 252 259 273 294 333 343 364 441 444 468 481 518 546 588 637 666 686 777 819 882 962 1029 1036 1092 1274 1332 1369 1372 1443 1554 1638 1764 1813 1911 1924 2058 2331 2401 2548 2738 2886 3087 3108 3276 3367 3626 3822 4107 4116 4329 4459 4662 4802 5439 5476 5733 5772 6174 6734 7203 7252 7644 8214 8658 8918 9324 9583 9604 10101 10878 11466 12321 12348 12691 13377 13468 14406 16317 16428 16807 17316 17797 17836 19166 20202 21609 21756 22932 23569 24642 25382 26754 28749 28812 30303 31213 32634 33614 35594 38073 38332 40131 40404 43218 47138 49284 50421 50653 50764 53391 53508 57498 60606 62426 65268 67081 67228 70707 71188 76146 80262 86247 86436 88837 93639 94276 100842 101306 106782 114219 114996 121212 124579 124852 134162 141414 151263 151959 152292 160173 160524 164983 172494 177674 187278 201243 201684 202612 212121 213564 218491 228438 249158 266511 268324 280917 282828 302526 303918 320346 329966 344988 354571 355348 373737 374556 402486 424242 436982 455877 456876 469567 494949 498316 533022 561834 603729 605052 607836 621859 640692 655473 658489 659932 709142 747474 799533 804972 848484 872053 873964 911754 939134 989898 1063713 1066044 1121211 1123668 1154881 1207458 1243718 1310946 1316978 1408701 1418284 1484847 1494948 1599066 1744106 1823508 1865577 1878268 1966419 1975467 1979796 2127426 2242422 2309762 2414916 2481997 2487436 2616159 2621892 2633956 2817402 2969694 3191139 3198132 3286969 3464643 3488212 3731154 3932838 3950934 4226103 4254852 4484844 4609423 4619524 4963994 5232318 5596731 5634804 5926401 5939388 6104371 6382278 6573938 6929286 7445991 7462308 7848477 7865676 7901868 8084167 8452206 9218846 9860907 9927988 10393929 10464636 11193462 11852802 12208742 12764556 13147876 13828269 13858572 14891982 15696954 16168334 16904412 17373979 18313113 18437692 19721814 20787858 22337973 22386924 23008783 23705604 24252501 24417484 27656538 29582721 29783964 31393908 32265961 32336668 34747958 36626226 39443628 41484807 41575716 42730597 44675946 46017566 48505002 52121937 54939339 55313076 59165442 64531922 69026349 69495916 72757503 73252452 82969614 85461194 89351892 92035132 96797883 97010004 104243874 109878678 118330884 121617853 128191791 129063844 138052698 145515006 156365811 165939228 170922388 193595766 207079047 208487748 219757356 225861727 243235706 256383582 276105396 290393649 291030012 299114179 312731622 364853559 384575373 387191532 414158094 451723454 486471412 512767164 580787298 598228358 625463244 677585181 729707118 769150746 828316188 851324971 897342537 903446908 1094560677 1161574596 1196456716 1355170362 1459414236 1538301492 1581032089 1702649942 1794685074 2032755543 2189121354 2553974913 2692027611 2710340724 3162064178 3405299884 3589370148 4065511086 4378242708 4743096267 5107949826 5384055222 6324128356 7661924739 8131022172 9486192534 10215899652 10768110444 11067224623 14229288801 15323849478 18972385068 22134449246 28458577602 30647698956 33201673869 44268898492 56917155204 66403347738 99605021607 132806695476 199210043214 398420086428
• Sum of all divisors σ(n): 1300489619520
• Sum of proper divisors (its aliquot sum) s(n): 902069533092
• 398420086428 is an abundant number, because the sum of its proper divisors (902069533092) is greater than itself. Its abundance is 503649446664

Bases of 398420086428

• Binary: 101110011000011101100000000111010011100₂
• Hexadecimal: 0x5CC3B00E9C
• Base-36: 53151670

Squares and roots of 398420086428

• 398420086428 squared (398420086428²) is 158738565269294989799184
• 398420086428 cubed (398420086428³) is 63244632894049228930418267643874752
• The square root of 398420086428 is 631205.2648924913
• The cube root of 398420086428 is 7358.3494449485

Scales and comparisons

• 398,420,086,428 seconds is equal to 12,668 years, 27 weeks, 2 days, 14 hours, 13 minutes, 48 seconds.
• To count from 1 to 398,420,086,428 would take you about twenty-five thousand, three hundred thirty-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 398420086428 cubic inches would be around 613.2 feet tall.

Recreational maths with 398420086428

• 398420086428 backwards is 824680024893
• The number of decimal digits it has is: 12
• The sum of 398420086428's digits is 54
• More coming soon!