90428351621920

Names of 90428351621920

• Cardinal: 90428351621920 can be written as Ninety trillion, four hundred twenty-eight billion, three hundred fifty-one million, six hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.042835162192 × 10¹³

Factors of 90428351621920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 436

Divisors of 90428351621920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 43 52 65 80 86 104 130 160 169 172 208 215 260 338 344 373 416 430 520 559 676 688 746 845 860 1040 1118 1352 1376 1492 1690 1720 1849 1865 2080 2197 2236 2704 2795 2984 3380 3440 3698 3730 4394 4472 4849 5408 5590 5968 6760 6880 7267 7396 7460 8788 8944 9245 9698 10985 11180 11936 13520 14534 14792 14920 16039 17576 17888 18490 19396 21970 22360 24037 24245 27040 29068 29584 29840 32078 35152 36335 36980 38792 43940 44720 48074 48490 58136 59168 59680 63037 64156 70304 72670 73960 77584 80195 87880 89440 94471 96148 96980 116272 120185 126074 128312 139129 145340 147920 155168 160390 175760 188942 192296 193960 208507 232544 240370 252148 256624 278258 290680 295840 312481 315185 320780 351520 377884 384592 387920 417014 472355 480740 504296 513248 556516 581360 624962 630370 641560 689677 695645 755768 769184 775840 819481 834028 944710 961480 1008592 1042535 1113032 1162720 1249924 1260740 1283120 1379354 1391290 1511536 1562405 1638962 1668056 1808677 1889420 1922960 2017184 2085070 2226064 2499848 2521480 2566240 2710591 2758708 2782580 3023072 3124810 3277924 3336112 3448385 3617354 3778840 3845920 4062253 4097405 4170140 4452128 4999696 5042960 5421182 5517416 5565160 5982547 6249620 6555848 6672224 6896770 7234708 7557680 8124506 8194810 8340280 8965801 9043385 9999392 10085920 10842364 11034832 11130320 11965094 12499240 13111696 13552955 13793540 14469416 15115360 16249012 16389620 16680560 17931602 18086770 20311265 21684728 22069664 22260640 23512801 23930188 24998480 26223392 27105910 27587080 28938832 29912735 32498024 32779240 33361120 35237683 35863204 36173540 40622530 43369456 44829005 47025602 47860376 49996960 54211820 55174160 57877664 59825470 64996048 65558480 70475366 71726408 72347080 77773111 81245060 86738912 89658010 94051204 95720752 108423640 110348320 116555413 117564005 119650940 129992096 131116960 140950732 143452816 144694160 155546222 162490120 176188415 179316020 188102408 191441504 216847280 233110826 235128010 239301880 257249521 281901464 286905632 289388320 305666413 311092444 324980240 352376830 358632040 376204816 388865555 433694560 466221652 470256020 478603760 514499042 563802928 582777065 611332826 622184888 649960480 704753660 717264080 752409632 777731110 932443304 940512040 957207520 1011050443 1028998084 1127605856 1165554130 1222665652 1244369776 1286247605 1409507320 1434528160 1515220369 1528332065 1555462220 1864886608 1881024080 2022100886 2057996168 2331108260 2445331304 2488739552 2572495210 2819014640 3030440738 3056664130 3110924440 3344243773 3729773216 3762048160 4044201772 4115992336 4662216520 4890662608 5055252215 5144990420 5638029280 6060881476 6113328260 6221848880 6688487546 7576101845 8088403544 8231984672 9324433040 9781325216 10110504430 10289980840 12121762952 12226656520 12443697760 13143655759 13376975092 15152203690 16176807088 16721218865 18648866080 20221008860 20579961680 24243525904 24453313040 26287311518 26753950184 30304407380 32353614176 33442437730 40442017720 41159923360 43475169049 48487051808 48906626080 52574623036 53507900368 60608814760 65718278795 66884875460 80884035440 86950338098 105149246072 107015800736 121217629520 131436557590 133769750920 161768070880 173900676196 210298492144 217375845245 242435259040 262873115180 267539501840 347801352392 420596984288 434751690490 525746230360 535079003680 565177197637 695602704784 869503380980 1051492460720 1130354395274 1391205409568 1739006761960 2102984921440 2260708790548 2825885988185 3478013523920 4521417581096 5651771976370 6956027047840 9042835162192 11303543952740 18085670324384 22607087905480 45214175810960 90428351621920
• Sum of all divisors σ(n): 237576192595560
• Sum of proper divisors (its aliquot sum) s(n): 147147840973640
• 90428351621920 is an abundant number, because the sum of its proper divisors (147147840973640) is greater than itself. Its abundance is 56719489351720

Bases of 90428351621920

• Binary: 10100100011111001111101110001101010101100100000₂
• Hexadecimal: 0x523E7DC6AB20
• Base-36: W1Y7LRJ8G

Squares and roots of 90428351621920

• 90428351621920 squared (90428351621920²) is 8177286777057601494624486400
• 90428351621920 cubed (90428351621920³) is 739458563989041727561691190910786981888000
• The square root of 90428351621920 is 9509382.2944458385
• The cube root of 90428351621920 is 44885.0318941077

Scales and comparisons

• 90,428,351,621,920 seconds is equal to 2,875,341 years, 45 weeks, 1 day, 1 hour, 38 minutes, 40 seconds.
• To count from 1 to 90,428,351,621,920 would take you about seven million, one hundred eighty-eight thousand, three hundred fifty-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 90428351621920 cubic inches would be around 3740.4 feet tall.

Recreational maths with 90428351621920

• 90428351621920 backwards is 02912615382409
• 90428351621920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 90428351621920's digits is 52
• More coming soon!