18906301440

Names of 18906301440

• Cardinal: 18906301440 can be written as Eighteen billion, nine hundred six million, three hundred one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.890630144 × 10¹⁰

Factors of 18906301440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 913

Divisors of 18906301440

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 37 39 40 45 48 52 60 64 65 72 74 78 80 90 96 104 111 117 120 128 130 144 148 156 160 180 185 192 195 208 222 234 240 256 260 288 296 312 320 333 360 370 384 390 416 444 468 480 481 512 520 555 576 585 592 624 640 666 720 740 768 780 832 853 888 936 960 962 1024 1040 1110 1152 1170 1184 1248 1280 1332 1440 1443 1480 1536 1560 1664 1665 1706 1776 1872 1920 1924 2080 2220 2304 2340 2368 2405 2496 2559 2560 2664 2880 2886 2960 3072 3120 3328 3330 3412 3552 3744 3840 3848 4160 4265 4329 4440 4608 4680 4736 4810 4992 5118 5120 5328 5760 5772 5920 6240 6656 6660 6824 7104 7215 7488 7677 7680 7696 8320 8530 8658 8880 9216 9360 9472 9620 9984 10236 10656 11089 11520 11544 11840 12480 12795 13312 13320 13648 14208 14430 14976 15354 15360 15392 16640 17060 17316 17760 18720 18944 19240 19968 20472 21312 21645 22178 23040 23088 23680 24960 25590 26640 27296 28416 28860 29952 30708 30784 31561 33267 33280 34120 34632 35520 37440 37888 38385 38480 39936 40944 42624 43290 44356 46080 46176 47360 49920 51180 53280 54592 55445 56832 57720 59904 61416 61568 63122 66534 66560 68240 69264 71040 74880 76770 76960 81888 85248 86580 88712 92352 94683 94720 99801 99840 102360 106560 109184 110890 113664 115440 119808 122832 123136 126244 133068 136480 138528 142080 149760 153540 153920 157805 163776 166335 170496 173160 177424 184704 189366 189440 199602 199680 204720 213120 218368 221780 230880 245664 246272 252488 266136 272960 277056 284049 284160 299520 307080 307840 315610 327552 332670 340992 346320 354848 369408 378732 399204 409440 410293 426240 436736 443560 461760 473415 491328 492544 499005 504976 532272 545920 554112 568098 568320 599040 614160 615680 631220 655104 665340 692640 709696 738816 757464 798408 818880 820586 852480 873472 887120 923520 946830 982656 998010 1009952 1064544 1091840 1108224 1136196 1228320 1230879 1231360 1262440 1310208 1330680 1385280 1419392 1420245 1477632 1514928 1596816 1637760 1641172 1704960 1774240 1847040 1893660 1965312 1996020 2019904 2051465 2129088 2183680 2216448 2272392 2456640 2461758 2462720 2524880 2620416 2661360 2770560 2838784 2840490 3029856 3193632 3275520 3282344 3548480 3692637 3694080 3787320 3930624 3992040 4039808 4102930 4258176 4367360 4432896 4544784 4913280 4923516 5049760 5322720 5541120 5677568 5680980 6059712 6154395 6387264 6551040 6564688 7096960 7385274 7388160 7574640 7861248 7984080 8079616 8205860 8516352 9089568 9826560 9847032 10099520 10645440 11082240 11355136 11361960 12119424 12308790 12774528 13102080 13129376 14193920 14770548 15149280 15968160 16159232 16411720 17032704 18179136 18463185 19653120 19694064 20199040 21290880 22164480 22723920 24238848 24617580 25549056 26258752 28387840 29541096 30298560 31936320 32318464 32823440 34065408 36358272 36926370 39306240 39388128 40398080 42581760 45447840 48477696 49235160 51098112 52517504 56775680 59082192 60597120 63872640 65646880 72716544 73852740 78776256 80796160 85163520 90895680 96955392 98470320 102196224 105035008 118164384 121194240 127745280 131293760 145433088 147705480 157552512 161592320 170327040 181791360 196940640 210070016 236328768 242388480 255490560 262587520 290866176 295410960 315105024 363582720 393881280 420140032 472657536 484776960 510981120 525175040 590821920 630210048 727165440 787762560 945315072 1050350080 1181643840 1260420096 1454330880 1575525120 1890630144 2100700160 2363287680 3151050240 3781260288 4726575360 6302100480 9453150720 18906301440
• Sum of all divisors σ(n): 72540734448
• Sum of proper divisors (its aliquot sum) s(n): 53634433008
• 18906301440 is an abundant number, because the sum of its proper divisors (53634433008) is greater than itself. Its abundance is 34728131568

Bases of 18906301440

• Binary: 10001100110111001110100010000000000₂
• Hexadecimal: 0x466E74400
• Base-36: 8OOBNK0

Squares and roots of 18906301440

• 18906301440 squared (18906301440²) is 357448234140146073600
• 18906301440 cubed (18906301440³) is 6758024063849300873114025984000
• The square root of 18906301440 is 137500.1870544183
• The cube root of 18906301440 is 2664.0080079839

Scales and comparisons

• 18,906,301,440 seconds is equal to 601 years, 8 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 18,906,301,440 would take you about one thousand, two hundred two 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 18906301440 cubic inches would be around 222 feet tall.

Recreational maths with 18906301440

• 18906301440 backwards is 04410360981
• 18906301440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18906301440's digits is 36
• More coming soon!