16421172390

Names of 16421172390

• Cardinal: 16421172390 can be written as Sixteen billion, four hundred twenty-one million, one hundred seventy-two thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.642117239 × 10¹⁰

Factors of 16421172390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 224

Divisors of 16421172390

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 37 42 43 45 54 63 70 74 86 90 105 111 126 127 129 135 185 189 210 215 222 254 258 259 270 301 315 333 370 378 381 387 430 518 555 602 630 635 645 666 762 774 777 889 903 945 999 1110 1143 1161 1270 1290 1295 1505 1554 1591 1665 1778 1806 1849 1890 1905 1935 1998 2286 2322 2331 2590 2667 2709 3010 3182 3330 3429 3698 3810 3870 3885 4445 4515 4662 4699 4773 4995 5334 5418 5461 5547 5715 5805 6858 6993 7770 7955 8001 8127 8890 9030 9245 9398 9546 9990 10922 11094 11137 11430 11610 11655 12943 13335 13545 13986 14097 14319 15910 16002 16254 16383 16641 17145 18490 22274 23310 23495 23865 24003 25886 26670 27090 27305 27735 28194 28638 32766 32893 33282 33411 34290 34965 38227 38829 40005 40635 42291 42957 46990 47730 48006 49149 49923 54610 55470 55685 64715 65786 66822 68413 69930 70485 71595 76454 77658 80010 81270 81915 83205 84582 85914 98298 98679 99846 100233 111370 114681 116487 120015 126873 129430 136826 140970 143190 147447 163830 164465 166410 167055 191135 194145 197358 200466 202057 205239 211455 214785 229362 232974 234823 240030 245745 249615 253746 294894 296037 300699 328930 334110 342065 344043 349461 382270 388290 404114 410478 422910 429570 469646 478891 491490 493395 499230 501165 573405 582435 592074 601398 606171 615717 634365 684130 688086 698922 704469 737235 888111 957782 986790 1002330 1010285 1026195 1032129 1146810 1164870 1174115 1212342 1231434 1268730 1408938 1414399 1436673 1474470 1480185 1503495 1643761 1720215 1747305 1776222 1818513 1847151 2020570 2052390 2064258 2113407 2348230 2394455 2828798 2873346 2960370 3006990 3030855 3078585 3287522 3440430 3494610 3522345 3637026 3694302 4226814 4243197 4310019 4440555 4788910 4931283 5160645 5455539 6061710 6157170 6340221 7044690 7071995 7183365 8218805 8486394 8620038 8688451 8881110 9092565 9235755 9862566 10321290 10567035 10911078 12680442 12729591 12930057 14143990 14366730 14793849 16437610 17376902 18185130 18471510 21134070 21215985 21550095 24656415 25459182 25860114 26065353 27277695 29587698 31701105 38188773 42431970 43100190 43442255 44381547 49312830 52130706 54555390 60819157 63402210 63647955 64650285 73969245 76377546 78196059 86884510 88763094 121638314 127295910 129300570 130326765 147938490 156392118 182457471 190943865 221907735 234588177 260653530 304095785 364914942 381887730 390980295 443815470 469176354 547372413 608191570 781960590 912287355 1094744826 1172940885 1642117239 1824574710 2345881770 2736862065 3284234478 5473724130 8210586195 16421172390
• Sum of all divisors σ(n): 53035499520
• Sum of proper divisors (its aliquot sum) s(n): 36614327130
• 16421172390 is an abundant number, because the sum of its proper divisors (36614327130) is greater than itself. Its abundance is 20193154740

Bases of 16421172390

• Binary: 1111010010110001110011010010100110₂
• Hexadecimal: 0x3D2C734A6
• Base-36: 7JKQPPI

Squares and roots of 16421172390

• 16421172390 squared (16421172390²) is 269654902662098312100
• 16421172390 cubed (16421172390³) is 4428049642422986302122122919000
• The square root of 16421172390 is 128145.1223808383
• The cube root of 16421172390 is 2541.7610490769

Scales and comparisons

• 16,421,172,390 seconds is equal to 522 years, 7 weeks, 2 days, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 16,421,172,390 would take you about one thousand and forty-four 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 16421172390 cubic inches would be around 211.8 feet tall.

Recreational maths with 16421172390

• 16421172390 backwards is 09327112461
• The number of decimal digits it has is: 11
• The sum of 16421172390's digits is 36
• More coming soon!