19721008681472

Names of 19721008681472

• Cardinal: 19721008681472 can be written as Nineteen trillion, seven hundred twenty-one billion, eight million, six hundred eighty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.9721008681472 × 10¹³

Factors of 19721008681472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 85

Divisors of 19721008681472

• Number of divisors d(n): 450
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 53 56 64 92 98 106 112 128 161 184 196 212 224 256 322 368 371 392 424 448 512 529 644 736 742 784 848 896 1058 1127 1219 1288 1472 1484 1568 1696 1792 2116 2254 2438 2576 2597 2809 2944 2968 3136 3392 3584 3703 4232 4508 4876 5152 5194 5618 5888 5936 6272 6784 7406 8464 8533 9016 9752 10304 10388 11236 11776 11872 12167 12544 13568 14812 16928 17066 18032 19504 19663 20608 20776 22472 23744 24334 25088 25921 27136 28037 29624 33856 34132 36064 39008 39326 41216 41552 44944 47488 48668 51842 56074 59248 59731 64607 67712 68264 72128 78016 78652 82432 83104 85169 89888 94976 97336 103684 112148 118496 119462 129214 135424 136528 137641 144256 156032 157304 166208 170338 179776 189952 194672 196259 207368 224296 236992 238924 258428 270848 273056 275282 279841 288512 312064 314608 332416 340676 359552 389344 392518 414736 448592 452249 473984 477848 516856 546112 550564 559682 577024 596183 624128 629216 644851 664832 681352 719104 778688 785036 829472 897184 904498 947968 955696 1033712 1092224 1101128 1119364 1192366 1258432 1289702 1329664 1362704 1373813 1438208 1485961 1557376 1570072 1658944 1794368 1808996 1895936 1911392 1958887 2067424 2184448 2202256 2238728 2384732 2516864 2579404 2725408 2747626 2971922 3114752 3140144 3165743 3317888 3588736 3617992 3822784 3917774 4134848 4368896 4404512 4477456 4513957 4769464 5033728 5158808 5450816 5495252 5943844 6229504 6280288 6331486 6635776 7177472 7235984 7645568 7835548 8269696 8809024 8954912 9027914 9538928 10067456 10317616 10401727 10901632 10990504 11887688 12560576 12662972 13271552 13712209 14354944 14471968 14831573 15291136 15671096 16539392 17618048 17909824 18055828 19077856 20635232 20803454 21803264 21981008 23775376 25121152 25325944 27424418 28943936 29663146 30582272 31342192 31597699 33078784 34177103 35236096 35819648 36111656 38155712 41270464 41606908 43606528 43962016 47550752 50242304 50651888 54848836 57887872 59326292 62684384 63195398 68354206 70472192 71639296 72223312 72812089 76311424 82540928 83213816 87924032 95101504 100484608 101303776 103821011 109697672 115775744 118652584 125368768 126390796 136708412 143278592 144446624 145624178 152622848 165081856 166427632 175848064 190203008 202607552 207642022 219395344 231551488 237305168 239239721 250737536 252781592 273416824 288893248 291248356 305245696 330163712 332855264 351696128 380406016 405215104 415284044 438790688 474610336 478479442 501475072 505563184 546833648 577786496 582496712 665710528 703392256 726747077 760812032 786073369 810430208 830568088 877581376 949220672 956958884 1002950144 1011126368 1093667296 1155572992 1164993424 1331421056 1453494154 1572146738 1620860416 1661136176 1674678047 1755162752 1898441344 1913917768 2022252736 2187334592 2311145984 2329986848 2662842112 2906988308 3144293476 3322272352 3349356094 3510325504 3796882688 3827835536 4044505472 4374669184 4659973696 5325684224 5502513583 5813976616 6288586952 6644544704 6698712188 7020651008 7593765376 7655671072 8089010944 8749338368 9319947392 11005027166 11627953232 12577173904 13289089408 13397424376 15311342144 16178021888 17498676736 18639894784 22010054332 23255906464 25154347808 26578178816 26794848752 30622684288 37279789568 38517595081 44020108664 46511812928 50308695616 53156357632 53589697504 61245368576 77035190162 88040217328 93023625856 100617391232 107179395008 122490737152 154070380324 176080434656 186047251712 201234782464 214358790016 308140760648 352160869312 372094503424 402469564928 428717580032 616281521296 704321738624 857435160064 1232563042592 1408643477248 2465126085184 2817286954496 4930252170368 9860504340736 19721008681472
• Sum of all divisors σ(n): 48841418560473
• Sum of proper divisors (its aliquot sum) s(n): 29120409879001
• 19721008681472 is an abundant number, because the sum of its proper divisors (29120409879001) is greater than itself. Its abundance is 9399401197529

Bases of 19721008681472

• Binary: 100011110111110100111101101111001001000000000₂
• Hexadecimal: 0x11EFA7B79200
• Base-36: 6ZNPFDYBK

Squares and roots of 19721008681472

• 19721008681472 squared (19721008681472²) is 388918183414693991956086784
• 19721008681472 cubed (19721008681472³) is 7669858871503499820896267202256644866048
• The square root of 19721008681472 is 4440834.2326045001
• The cube root of 19721008681472 is 27017.3681948985

Scales and comparisons

• 19,721,008,681,472 seconds is equal to 627,067 years, 3 weeks, 6 days, 7 hours, 4 minutes, 32 seconds.
• To count from 1 to 19,721,008,681,472 would take you about one million, five hundred sixty-seven thousand, six hundred sixty-seven 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 19721008681472 cubic inches would be around 2251.4 feet tall.

Recreational maths with 19721008681472

• 19721008681472 backwards is 27418680012791
• 19721008681472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19721008681472's digits is 56
• More coming soon!