18163902900

Names of 18163902900

• Cardinal: 18163902900 can be written as Eighteen billion, one hundred sixty-three million, nine hundred two thousand, nine hundred.

Scientific notation

• Scientific notation: 1.81639029 × 10¹⁰

Factors of 18163902900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 726

Divisors of 18163902900

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 20 22 25 26 30 33 39 44 50 52 55 60 61 65 66 75 78 100 110 121 122 130 132 143 150 156 165 183 195 220 242 244 260 275 286 300 305 325 330 363 366 390 429 484 550 572 605 610 631 650 660 671 715 726 732 780 793 825 858 915 975 1100 1210 1220 1262 1300 1342 1430 1452 1525 1573 1586 1650 1716 1815 1830 1893 1950 2013 2145 2379 2420 2524 2684 2860 3025 3050 3146 3155 3172 3300 3355 3575 3630 3660 3786 3900 3965 4026 4290 4575 4719 4758 6050 6100 6292 6310 6710 6941 7150 7260 7381 7572 7865 7930 8052 8203 8580 8723 9075 9150 9438 9465 9516 10065 10725 11895 12100 12620 13420 13882 14300 14762 15730 15775 15860 16406 16775 17446 18150 18300 18876 18930 19825 20130 20823 21450 22143 23595 23790 24609 26169 27764 29524 31460 31550 32812 33550 34705 34892 36300 36905 37860 38491 39325 39650 40260 41015 41646 42900 43615 44286 47190 47325 47580 49218 50325 52338 59475 63100 67100 69410 73810 76351 76982 78650 79300 82030 83292 87230 88572 90233 94380 94650 95953 98436 100650 104115 104676 110715 115473 117975 118950 123045 130845 138820 147620 152702 153964 157300 164060 173525 174460 180466 184525 189300 191906 192455 201300 205075 208230 218075 221430 229053 230946 235950 237900 246090 261690 270699 287859 305404 347050 360932 369050 381755 383812 384910 410150 416460 423401 436150 442860 451165 458106 461892 471900 479765 492180 500383 520575 523380 541398 553575 575718 577365 615225 654225 694100 738100 763510 769820 820300 846802 872300 902330 916212 959530 962275 992563 1000766 1041150 1082796 1107150 1145265 1151436 1154730 1230450 1270203 1308450 1353495 1439295 1501149 1527020 1693604 1804660 1908775 1919060 1924550 1985126 2001532 2082300 2117005 2214300 2255825 2290530 2309460 2398825 2460900 2501915 2540406 2616900 2706990 2878590 2886825 2977689 3002298 3817550 3849100 3970252 4234010 4511650 4581060 4657411 4797650 4962815 5003830 5080812 5413980 5504213 5726325 5757180 5773650 5955378 6004596 6351015 6767475 7196475 7505745 7635100 8468020 9023300 9314822 9595300 9925630 10007660 10585025 11008426 11452650 11547300 11910756 12509575 12702030 13534950 13972233 14392950 14888445 15011490 16512639 18629644 19851260 21170050 22016852 22905300 23287055 24814075 25019150 25404060 27069900 27521065 27944466 28785900 29776890 30022980 31755075 33025278 37528725 42340100 46574110 49628150 50038300 55042130 55888932 59553780 60546343 63510150 66050556 69861165 74442225 75057450 82563195 93148220 99256300 110084260 116435275 121092686 127020300 137605325 139722330 148884450 150114900 165126390 181639029 232870550 242185372 275210650 279444660 297768900 302731715 330252780 349305825 363278058 412815975 465741100 550421300 605463430 698611650 726556116 825631950 908195145 1210926860 1397223300 1513658575 1651263900 1816390290 3027317150 3632780580 4540975725 6054634300 9081951450 18163902900
• Sum of all divisors σ(n): 63329807744
• Sum of proper divisors (its aliquot sum) s(n): 45165904844
• 18163902900 is an abundant number, because the sum of its proper divisors (45165904844) is greater than itself. Its abundance is 27002001944

Bases of 18163902900

• Binary: 10000111010101001110010100110110100₂
• Hexadecimal: 0x43AA729B4
• Base-36: 8CEBH6C

Squares and roots of 18163902900

• 18163902900 squared (18163902900²) is 329927368560628410000
• 18163902900 cubed (18163902900³) is 5992768686587767202221389000000
• The square root of 18163902900 is 134773.5244771761
• The cube root of 18163902900 is 2628.6719477689

Scales and comparisons

• 18,163,902,900 seconds is equal to 577 years, 28 weeks, 6 days, 8 hours, 35 minutes.
• To count from 1 to 18,163,902,900 would take you about one thousand, one hundred fifty-five 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 18163902900 cubic inches would be around 219.1 feet tall.

Recreational maths with 18163902900

• 18163902900 backwards is 00920936181
• 18163902900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18163902900's digits is 39
• More coming soon!