18099427920

Names of 18099427920

• Cardinal: 18099427920 can be written as Eighteen billion, ninety-nine million, four hundred twenty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.809942792 × 10¹⁰

Factors of 18099427920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 550

Divisors of 18099427920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 53 56 60 70 71 80 84 98 105 106 112 120 140 142 147 159 168 196 210 212 213 240 245 265 280 284 294 318 336 355 371 392 409 420 424 426 490 497 530 560 568 588 636 710 735 742 784 795 818 840 848 852 980 994 1060 1065 1113 1136 1176 1227 1272 1420 1470 1484 1491 1590 1636 1680 1704 1855 1960 1988 2045 2120 2130 2226 2352 2454 2485 2544 2597 2840 2863 2940 2968 2982 3180 3272 3408 3479 3710 3763 3920 3976 4090 4240 4260 4452 4908 4970 5194 5565 5680 5726 5880 5936 5964 6135 6360 6544 6958 7420 7455 7526 7791 7952 8180 8520 8589 8904 9816 9940 10388 10437 11130 11289 11452 11760 11928 12270 12720 12985 13916 14315 14840 14910 15052 15582 16360 17040 17178 17395 17808 18815 19632 19880 20041 20776 20874 21677 22260 22578 22904 23856 24540 25970 26341 27832 28630 29039 29680 29820 30104 31164 32720 34356 34790 37630 38955 39760 40082 41552 41748 42945 43354 44520 45156 45808 49080 51940 52185 52682 55664 56445 57260 58078 59640 60123 60208 62328 65031 68712 69580 75260 77910 79023 80164 83496 85890 86708 87117 89040 90312 98160 100205 103880 104370 105364 108385 112890 114520 116156 119280 120246 124656 130062 131705 137424 139160 145195 150520 151739 155820 158046 160328 166992 171780 173416 174234 180624 184387 200410 203273 207760 208740 210728 216770 225780 229040 232312 240492 260124 263410 278320 290390 300615 301040 303478 311640 316092 320656 325155 343560 346832 348468 368774 395115 400820 406546 417480 421456 433540 435585 451560 455217 464624 480984 520248 526820 553161 580780 601230 606956 609819 623280 632184 650310 687120 696936 737548 758695 790230 801640 813092 834960 867080 871170 903120 910434 921935 961968 1016365 1040496 1053640 1062173 1106322 1161560 1202460 1213912 1219638 1264368 1300620 1393872 1422911 1475096 1517390 1539067 1580460 1603280 1626184 1734160 1742340 1820868 1843870 2032730 2107280 2124346 2212644 2276085 2323120 2404920 2427824 2439276 2601240 2765805 2845822 2950192 3034780 3049095 3078134 3160920 3186519 3252368 3484680 3641736 3687740 4065460 4248692 4268733 4425288 4552170 4617201 4809840 4878552 5202480 5310865 5531610 5691644 6069560 6098190 6156268 6321840 6373038 6969360 7114555 7283472 7375480 7695335 8130920 8497384 8537466 8850576 9104340 9234402 9757104 10621730 10773469 11063220 11383288 12139120 12196380 12312536 12746076 14229110 14750960 15390670 15932595 16261840 16994768 17074932 18208680 18468804 21243460 21343665 21546938 22126440 22766576 23086005 24392760 24625072 25492152 28458220 30781340 31865190 32320407 34149864 36417360 36937608 42486920 42687330 43093876 44252880 46172010 48785520 50984304 53867345 56916440 61562680 63730380 64640814 68299728 73875216 75414283 84973840 85374660 86187752 92344020 107734690 113832880 123125360 127460760 129281628 150828566 161602035 170749320 172375504 184688040 215469380 226242849 254921520 258563256 301657132 323204070 341498640 369376080 377071415 430938760 452485698 517126512 603314264 646408140 754142830 861877520 904971396 1131214245 1206628528 1292816280 1508285660 1809942792 2262428490 2585632560 3016571320 3619885584 4524856980 6033142640 9049713960 18099427920
• Sum of all divisors σ(n): 67601744640
• Sum of proper divisors (its aliquot sum) s(n): 49502316720
• 18099427920 is an abundant number, because the sum of its proper divisors (49502316720) is greater than itself. Its abundance is 31402888800

Bases of 18099427920

• Binary: 10000110110110011110101101001010000₂
• Hexadecimal: 0x436CF5A50
• Base-36: 8BBXJYO

Squares and roots of 18099427920

• 18099427920 squared (18099427920²) is 327589291031275526400
• 18099427920 cubed (18099427920³) is 5929178760384473855736857088000
• The square root of 18099427920 is 134534.1143353611
• The cube root of 18099427920 is 2625.5579969335

Scales and comparisons

• 18,099,427,920 seconds is equal to 575 years, 26 weeks, 2 days, 2 hours, 52 minutes.
• To count from 1 to 18,099,427,920 would take you about one thousand, one hundred fifty-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 18099427920 cubic inches would be around 218.8 feet tall.

Recreational maths with 18099427920

• 18099427920 backwards is 02972499081
• The number of decimal digits it has is: 11
• The sum of 18099427920's digits is 51
• More coming soon!