8985990090

Names of 8985990090

• Cardinal: 8985990090 can be written as Eight billion, nine hundred eighty-five million, nine hundred ninety thousand and ninety.

Scientific notation

• Scientific notation: 8.98599009 × 10⁹

Factors of 8985990090

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1349

Divisors of 8985990090

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 41 42 55 66 70 77 79 82 105 110 123 154 158 165 205 210 231 237 246 287 330 385 395 410 451 462 474 553 574 615 770 790 861 869 902 1106 1155 1185 1201 1230 1353 1435 1659 1722 1738 2255 2310 2370 2402 2607 2706 2765 2870 3157 3239 3318 3603 4305 4345 4510 5214 5530 6005 6083 6314 6478 6765 7206 8295 8407 8610 8690 9471 9717 12010 12166 13035 13211 13530 15785 16195 16590 16814 18015 18249 18942 19434 22673 25221 26070 26422 30415 31570 32390 35629 36030 36498 39633 42035 45346 47355 48585 49241 50442 60830 66055 68019 71258 79266 84070 91245 92477 94710 94879 97170 98482 106887 113365 126105 132110 136038 147723 178145 182490 184954 189758 198165 213774 226730 246205 249403 252210 277431 284637 295446 340095 344687 356290 396330 462385 474395 492410 498806 534435 541651 554862 569274 664153 680190 689374 738615 748209 924770 948790 1034061 1043669 1068870 1083302 1247015 1328306 1387155 1423185 1477230 1496418 1624953 1723435 1992459 2068122 2087338 2494030 2708255 2774310 2846370 3131007 3249906 3320765 3446870 3741045 3791557 3890039 3984918 5170305 5218345 5416510 6262014 6641530 7305683 7482090 7583114 7780078 8124765 9962295 10340610 10436690 11374671 11670117 14611366 15655035 16249530 18957785 19450195 19924590 21917049 22749342 23340234 27230273 31310070 36528415 37915570 38900390 42790429 43834098 54460546 56873355 58350585 73056830 81690819 85580858 109585245 113746710 116701170 128371287 136151365 163381638 213952145 219170490 256742574 272302730 299533003 408454095 427904290 599066006 641856435 816908190 898599009 1283712870 1497665015 1797198018 2995330030 4492995045 8985990090
• Sum of all divisors σ(n): 27915632640
• Sum of proper divisors (its aliquot sum) s(n): 18929642550
• 8985990090 is an abundant number, because the sum of its proper divisors (18929642550) is greater than itself. Its abundance is 9943652460

Bases of 8985990090

• Binary: 1000010111100110110101001111001010₂
• Hexadecimal: 0x2179B53CA
• Base-36: 44M0YBU

Squares and roots of 8985990090

• 8985990090 squared (8985990090²) is 80748017897578208100
• 8985990090 cubed (8985990090³) is 725600888614780412986557729000
• The square root of 8985990090 is 94794.4623382613
• The cube root of 8985990090 is 2079.0039370705

Scales and comparisons

• 8,985,990,090 seconds is equal to 285 years, 37 weeks, 5 days, 12 hours, 21 minutes, 30 seconds.
• To count from 1 to 8,985,990,090 would take you about five 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 8985990090 cubic inches would be around 173.3 feet tall.

Recreational maths with 8985990090

• 8985990090 backwards is 0900995898
• The number of decimal digits it has is: 10
• The sum of 8985990090's digits is 57
• More coming soon!