18989681480

Names of 18989681480

• Cardinal: 18989681480 can be written as Eighteen billion, nine hundred eighty-nine million, six hundred eighty-one thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.898968148 × 10¹⁰

Factors of 18989681480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 502

Divisors of 18989681480

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 19 20 22 28 35 38 40 44 49 55 56 70 76 77 88 95 98 110 133 140 151 152 154 190 196 209 220 245 266 280 302 307 308 380 385 392 418 440 490 532 539 604 614 616 665 755 760 770 836 931 980 1045 1057 1064 1078 1208 1228 1330 1463 1510 1535 1540 1661 1672 1862 1960 2090 2114 2149 2156 2456 2660 2695 2869 2926 3020 3070 3080 3322 3377 3724 4180 4228 4298 4312 4655 5285 5320 5390 5738 5833 5852 6040 6140 6644 6754 7315 7399 7448 8305 8360 8456 8596 9310 10241 10570 10745 10780 11476 11627 11666 11704 12280 13288 13508 14345 14630 14798 15043 16610 16885 17192 18620 20083 20482 21140 21490 21560 22952 23254 23332 23639 27016 28690 29165 29260 29596 30086 31559 33220 33770 36995 37240 40166 40831 40964 42280 42980 46357 46508 46664 47278 51205 57380 58135 58330 58520 59192 60172 63118 64163 66440 67540 73990 75215 80332 81389 81662 81928 85960 92714 93016 94556 100415 102410 114760 116270 116660 118195 120344 126236 128326 135080 140581 147980 150430 157795 160664 162778 163324 165473 185428 189112 200830 204155 204820 220913 231785 232540 233320 236390 252472 256652 281162 285817 295960 300860 315590 320815 324499 325556 326648 330946 370856 401660 406945 408310 409640 441826 449141 463570 465080 472780 509927 513304 562324 571634 601720 631180 641630 648998 651112 661892 702905 803320 813890 816620 827365 880783 883652 898282 927140 945560 1019854 1104565 1124648 1143268 1262360 1283260 1297996 1323784 1405810 1429085 1546391 1622495 1627780 1633240 1654730 1761566 1767304 1796564 1854280 2039708 2209130 2245705 2271493 2286536 2549635 2566520 2595992 2811620 2858170 3092782 3143987 3244990 3255560 3309460 3523132 3569489 3593128 4079416 4403915 4418260 4491410 4542986 5099270 5623240 5716340 6165481 6185564 6287974 6489980 6618920 7046264 7138978 7731955 8807830 8836520 8982820 9085972 9688613 10198540 11357465 11432680 12330962 12371128 12575948 12979960 14277956 15463910 15719935 17615660 17847445 17965640 18171944 19377226 20397080 22714930 24661924 24986423 25151896 28555912 30827405 30927820 31439870 35231320 35694890 38754452 43158367 45429860 48443065 49323848 49972846 61654810 61855640 62879740 67820291 71389780 77508904 86316734 90859720 96886130 99945692 123309620 124932115 125759480 135640582 142779560 172633468 193772260 199891384 215791835 246619240 249864230 271281164 339101455 345266936 387544520 431583670 474742037 499728460 542562328 678202910 863167340 949484074 999456920 1356405820 1726334680 1898968148 2373710185 2712811640 3797936296 4747420370 9494840740 18989681480
• Sum of all divisors σ(n): 57639859200
• Sum of proper divisors (its aliquot sum) s(n): 38650177720
• 18989681480 is an abundant number, because the sum of its proper divisors (38650177720) is greater than itself. Its abundance is 19660496240

Bases of 18989681480

• Binary: 10001101011110111111000101101001000₂
• Hexadecimal: 0x46BDF8B48
• Base-36: 8Q1YS08

Squares and roots of 18989681480

• 18989681480 squared (18989681480²) is 360608002711854990400
• 18989681480 cubed (18989681480³) is 6847831110637102487644457792000
• The square root of 18989681480 is 137803.0532317771
• The cube root of 18989681480 is 2667.9185093945

Scales and comparisons

• 18,989,681,480 seconds is equal to 603 years, 42 weeks, 1 day, 23 hours, 31 minutes, 20 seconds.
• To count from 1 to 18,989,681,480 would take you about one thousand, two hundred 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 18989681480 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989681480

• 18989681480 backwards is 08418698981
• The number of decimal digits it has is: 11
• The sum of 18989681480's digits is 62
• More coming soon!