18399412020

Names of 18399412020

• Cardinal: 18399412020 can be written as Eighteen billion, three hundred ninety-nine million, four hundred twelve thousand and twenty.

Scientific notation

• Scientific notation: 1.839941202 × 10¹⁰

Factors of 18399412020

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 349

Divisors of 18399412020

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 31 33 44 55 60 62 66 73 93 97 110 124 127 132 146 155 165 186 194 219 220 254 291 292 310 330 341 365 372 381 388 438 465 485 508 582 620 635 660 682 730 762 803 876 930 970 1023 1067 1095 1164 1270 1364 1397 1455 1460 1524 1606 1705 1860 1905 1940 2046 2134 2190 2263 2409 2540 2794 2910 3007 3201 3212 3410 3810 3937 4015 4092 4191 4268 4380 4526 4818 5115 5335 5588 5820 6014 6402 6789 6820 6985 7081 7620 7874 8030 8382 9021 9052 9271 9636 10230 10670 11315 11811 12028 12045 12319 12804 13578 13970 14162 15035 15748 16005 16060 16764 18042 18542 19685 20460 20955 21243 21340 22630 23622 24090 24638 24893 27156 27813 27940 28324 30070 32010 33077 33945 35405 36084 36957 37084 39370 41910 42486 43307 45105 45260 46355 47244 48180 49276 49786 55626 59055 60140 61595 64020 66154 67890 70810 73914 74679 77891 78740 83820 84972 86614 90210 92710 99231 99572 101981 106215 111252 118110 123190 124465 129921 132308 135509 135780 139065 141620 147828 149358 155782 165385 173228 180420 184785 185420 198462 203962 212430 216535 219511 233673 236220 246380 248930 259842 271018 278130 287401 298716 305943 311564 330770 369570 373395 381889 389455 396924 406527 407924 424860 433070 439022 467346 496155 497860 509905 519684 542036 556260 574802 611886 649605 658533 661540 677545 739140 746790 763778 778910 813054 862203 866140 878044 899287 934692 992310 1019810 1097555 1145667 1149604 1168365 1223772 1299210 1317066 1355090 1437005 1493580 1527556 1529715 1557820 1626108 1724406 1798574 1909445 1984620 2032635 2039620 2195110 2291334 2336730 2414621 2598420 2634132 2697861 2710180 2874010 3059430 3161411 3292665 3448812 3597148 3818890 4065270 4200779 4311015 4390220 4496435 4582668 4673460 4829242 5395722 5728335 5748020 6118860 6322822 6585330 7243863 7637780 8130540 8401558 8622030 8992870 9484233 9658484 9892157 10791444 11456670 12073105 12602337 12645644 13170660 13489305 14487726 15807055 16803116 17244060 17985740 18968466 19784314 21003895 22913340 24146210 25204674 26978610 27877897 28975452 29676471 31614110 36219315 37936932 39568628 42007790 47421165 48292420 49460785 50409348 53957220 55755794 59352942 63011685 63228220 72438630 83633691 84015580 94842330 98921570 111511588 118705884 126023370 139389485 144877260 148382355 167267382 189684660 197843140 252046740 278778970 296764710 306656867 334534764 418168455 557557940 593529420 613313734 836336910 919970601 1226627468 1533284335 1672673820 1839941202 3066568670 3679882404 4599853005 6133137340 9199706010 18399412020
• Sum of all divisors σ(n): 59883651072
• Sum of proper divisors (its aliquot sum) s(n): 41484239052
• 18399412020 is an abundant number, because the sum of its proper divisors (41484239052) is greater than itself. Its abundance is 23084827032

Bases of 18399412020

• Binary: 10001001000101100001011111100110100₂
• Hexadecimal: 0x448B0BF34
• Base-36: 8GAJ96C

Squares and roots of 18399412020

• 18399412020 squared (18399412020²) is 338538362681720480400
• 18399412020 cubed (18399412020³) is 6228906819557167241351934408000
• The square root of 18399412020 is 135644.4323221561
• The cube root of 18399412020 is 2639.9841223793

Scales and comparisons

• 18,399,412,020 seconds is equal to 585 years, 2 weeks, 2 days, 3 hours, 47 minutes.
• To count from 1 to 18,399,412,020 would take you about one thousand, one hundred seventy 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 18399412020 cubic inches would be around 220 feet tall.

Recreational maths with 18399412020

• 18399412020 backwards is 02021499381
• The number of decimal digits it has is: 11
• The sum of 18399412020's digits is 39
• More coming soon!