19989920748

Names of 19989920748

• Cardinal: 19989920748 can be written as Nineteen billion, nine hundred eighty-nine million, nine hundred twenty thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.9989920748 × 10¹⁰

Factors of 19989920748

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 394

Divisors of 19989920748

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 29 38 42 53 57 58 76 84 87 106 114 116 133 159 174 203 212 228 266 281 318 348 371 399 406 532 551 562 609 636 742 798 812 841 843 1007 1102 1113 1124 1218 1484 1537 1596 1653 1682 1686 1967 2014 2204 2226 2436 2523 3021 3074 3306 3364 3372 3857 3934 4028 4452 4611 5046 5339 5887 5901 6042 6148 6612 7049 7714 7868 8149 9222 10092 10678 10759 11571 11774 11802 12084 14098 14893 15428 15979 16017 16298 17661 18444 21147 21356 21518 23142 23548 23604 24447 28196 29203 29786 31958 32034 32277 32596 35322 37373 42294 43036 44573 44679 46284 47937 48894 57043 58406 59572 63916 64068 64554 70644 74746 84588 87609 89146 89358 95874 97788 104251 111853 112119 114086 116812 129108 133719 149492 154831 171129 175218 178292 178716 191748 204421 208502 223706 224238 228172 236321 267438 282967 309662 312011 312753 335559 342258 350436 408842 417004 431897 447412 448476 464493 472642 534876 565934 613263 619324 624022 625506 671118 684516 708963 817684 846887 848901 863794 928986 936033 945284 1083817 1131868 1226526 1248044 1251012 1295691 1342236 1417926 1654247 1693774 1697802 1727588 1857972 1872066 1980769 2167634 2453052 2540661 2591382 2835852 3023279 3251451 3308494 3387548 3395604 3744132 3961538 4335268 4490099 4962741 5081322 5182764 5928209 5942307 6046558 6502902 6616988 7923076 8206043 8980198 9069837 9925482 10162644 11856418 11884614 12093116 12525013 13005804 13470297 16412086 17784627 17960396 18139674 19850964 23712836 23769228 24618129 25050026 26940594 31430693 32824172 35569254 36279348 37575039 49236258 50100052 53881188 57442301 62861386 71138508 75150078 87675091 94292079 98472516 114884602 125722772 150300156 172326903 175350182 188584158 229769204 237975247 263025273 344653806 350700364 377168316 475950494 526050546 689307612 713925741 951900988 1052101092 1427851482 1665826729 2855702964 3331653458 4997480187 6663306916 9994960374 19989920748
• Sum of all divisors σ(n): 59420874240
• Sum of proper divisors (its aliquot sum) s(n): 39430953492
• 19989920748 is an abundant number, because the sum of its proper divisors (39430953492) is greater than itself. Its abundance is 19441032744

Bases of 19989920748

• Binary: 10010100111011111011111101111101100₂
• Hexadecimal: 0x4A77DFBEC
• Base-36: 96LHDKC

Squares and roots of 19989920748

• 19989920748 squared (19989920748²) is 399596931511320879504
• 19989920748 cubed (19989920748³) is 7987910992055288246082617548992
• The square root of 19989920748 is 141385.7162092409
• The cube root of 19989920748 is 2713.9615516533

Scales and comparisons

• 19,989,920,748 seconds is equal to 635 years, 32 weeks, 19 hours, 45 minutes, 48 seconds.
• To count from 1 to 19,989,920,748 would take you about one thousand, two hundred seventy-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 19989920748 cubic inches would be around 226.2 feet tall.

Recreational maths with 19989920748

• 19989920748 backwards is 84702998991
• The number of decimal digits it has is: 11
• The sum of 19989920748's digits is 66
• More coming soon!