145455390720

Names of 145455390720

• Cardinal: 145455390720 can be written as One hundred forty-five billion, four hundred fifty-five million, three hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4545539072 × 10¹¹

Factors of 145455390720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1122

Divisors of 145455390720

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 128 144 152 160 171 180 190 192 228 240 256 285 288 304 320 342 360 361 380 384 456 480 512 570 576 608 640 684 720 722 760 768 855 912 960 1024 1083 1093 1140 1152 1216 1280 1368 1440 1444 1520 1536 1710 1805 1824 1920 2048 2166 2186 2280 2304 2432 2560 2736 2880 2888 3040 3072 3249 3279 3420 3610 3648 3840 4096 4332 4372 4560 4608 4864 5120 5415 5465 5472 5760 5776 6080 6144 6498 6558 6840 7220 7296 7680 8192 8664 8744 9120 9216 9728 9837 10240 10830 10930 10944 11520 11552 12160 12288 12996 13116 13680 14440 14592 15360 16245 16395 17328 17488 18240 18432 19456 19674 20480 20767 21660 21860 21888 23040 23104 24320 24576 25992 26232 27360 28880 29184 30720 32490 32790 34656 34976 36480 36864 38912 39348 40960 41534 43320 43720 43776 46080 46208 48640 49185 51984 52464 54720 57760 58368 61440 62301 64980 65580 69312 69952 72960 73728 77824 78696 83068 86640 87440 87552 92160 92416 97280 98370 103835 103968 104928 109440 115520 116736 122880 124602 129960 131160 138624 139904 145920 155648 157392 166136 173280 174880 175104 184320 184832 186903 194560 196740 207670 207936 209856 218880 231040 233472 249204 259920 262320 277248 279808 291840 311505 314784 332272 346560 349760 350208 368640 369664 373806 389120 393480 394573 415340 415872 419712 437760 462080 466944 498408 519840 524640 554496 559616 583680 623010 629568 664544 693120 699520 700416 739328 747612 778240 786960 789146 830680 831744 839424 875520 924160 934515 996816 1039680 1049280 1108992 1119232 1167360 1183719 1246020 1259136 1329088 1386240 1399040 1400832 1478656 1495224 1573920 1578292 1661360 1663488 1678848 1751040 1848320 1869030 1972865 1993632 2079360 2098560 2217984 2238464 2334720 2367438 2492040 2518272 2658176 2772480 2798080 2957312 2990448 3147840 3156584 3322720 3326976 3357696 3502080 3551157 3696640 3738060 3945730 3987264 4158720 4197120 4435968 4476928 4734876 4984080 5036544 5316352 5544960 5596160 5918595 5980896 6295680 6313168 6645440 6653952 6715392 7004160 7102314 7393280 7476120 7891460 7974528 8317440 8394240 8871936 8953856 9469752 9968160 10073088 10632704 11089920 11192320 11837190 11961792 12591360 12626336 13290880 13307904 13430784 14204628 14786560 14952240 15782920 15949056 16634880 16788480 17755785 18939504 19936320 20146176 21265408 22179840 22384640 23674380 23923584 25182720 25252672 26581760 26615808 26861568 28409256 29904480 31565840 31898112 33269760 33576960 35511570 37879008 39872640 40292352 42530816 44359680 44769280 47348760 47847168 50365440 50505344 53163520 56818512 59808960 63131680 63796224 66539520 67153920 71023140 75758016 79745280 80584704 85061632 94697520 95694336 100730880 101010688 106327040 113637024 119617920 126263360 127592448 133079040 134307840 142046280 151516032 159490560 170123264 189395040 191388672 201461760 202021376 212654080 227274048 239235840 252526720 255184896 284092560 303032064 318981120 378790080 382777344 402923520 404042752 425308160 454548096 478471680 505053440 510369792 568185120 606064128 637962240 757580160 765554688 808085504 850616320 909096192 956943360 1010106880 1136370240 1212128256 1275924480 1515160320 1531109376 1616171008 1818192384 1913886720 2020213760 2272740480 2424256512 2551848960 3030320640 3232342016 3636384768 3827773440 4040427520 4545480960 4848513024 6060641280 7272769536 7655546880 8080855040 9090961920 9697026048 12121282560 14545539072 16161710080 18181923840 24242565120 29091078144 36363847680 48485130240 72727695360 145455390720
• Sum of all divisors σ(n): 532635773436
• Sum of proper divisors (its aliquot sum) s(n): 387180382716
• 145455390720 is an abundant number, because the sum of its proper divisors (387180382716) is greater than itself. Its abundance is 241724991996

Bases of 145455390720

• Binary: 10000111011101110100010010000000000000₂
• Hexadecimal: 0x21DDD12000
• Base-36: 1UTKDTS0

Squares and roots of 145455390720

• 145455390720 squared (145455390720²) is 21157270689507862118400
• 145455390720 cubed (145455390720³) is 3077439074711169888943758901248000
• The square root of 145455390720 is 381386.1438489867
• The cube root of 145455390720 is 5259.0819758115

Scales and comparisons

• 145,455,390,720 seconds is equal to 4,625 years, 1 week, 4 days, 11 hours, 12 minutes.
• To count from 1 to 145,455,390,720 would take you about nine thousand, two hundred fifty 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 145455390720 cubic inches would be around 438.3 feet tall.

Recreational maths with 145455390720

• 145455390720 backwards is 027093554541
• 145455390720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145455390720's digits is 45
• More coming soon!