21207163701920

Names of 21207163701920

• Cardinal: 21207163701920 can be written as Twenty-one trillion, two hundred seven billion, one hundred sixty-three million, seven hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.120716370192 × 10¹³

Factors of 21207163701920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5000

Divisors of 21207163701920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 80 85 109 112 119 127 136 140 160 170 218 224 238 254 272 280 289 340 436 476 508 544 545 560 578 595 635 680 763 872 889 952 1016 1090 1120 1156 1190 1270 1360 1445 1526 1744 1778 1853 1904 2023 2032 2159 2180 2312 2380 2540 2720 2890 3052 3488 3556 3706 3808 3815 4046 4064 4318 4360 4445 4624 4733 4760 5080 5780 6104 7112 7412 7630 8092 8636 8720 8890 9248 9265 9466 9520 10115 10160 10795 11560 12208 12971 13843 14224 14824 15113 15260 16184 17272 17440 17780 18530 18932 19040 20230 20320 21590 23120 23665 24416 25942 27686 28448 29648 30226 30520 31501 32368 33131 34544 35560 36703 37060 37864 40460 43180 46240 47330 51884 55372 59296 60452 61040 63002 64736 64855 66262 69088 69215 71120 73406 74120 75565 75728 80461 80920 86360 94660 96901 103768 110744 120904 122080 126004 129710 132524 138430 142240 146812 148240 151130 151456 157505 160922 161840 165655 172720 183515 189320 193802 207536 220507 221488 235331 241808 252008 256921 259420 265048 276860 293624 296480 302260 315010 321844 323680 331310 345440 367030 378640 387604 402305 415072 441014 442976 470662 483616 484505 504016 513842 515897 518840 530096 553720 563227 587248 601091 604520 630020 643688 662620 734060 757280 775208 804610 882028 941324 969010 1008032 1027684 1031794 1037680 1060192 1102535 1107440 1126454 1174496 1176655 1202182 1209040 1260040 1284605 1287376 1325240 1367837 1468120 1550416 1609220 1647317 1764056 1882648 1938020 2055368 2063588 2075360 2205070 2214880 2252908 2353310 2404364 2418080 2520080 2569210 2574752 2579485 2650480 2735674 2816135 2936240 3005455 3100832 3218440 3294634 3528112 3611279 3765296 3876040 4000627 4110736 4127176 4207637 4410140 4505816 4706620 4808728 5040160 5138420 5158970 5300960 5471348 5632270 5872480 6010910 6436880 6589268 6839185 7056224 7222558 7530592 7752080 8001254 8221472 8236585 8254352 8415274 8770249 8820280 9011632 9413240 9574859 9617456 10218547 10276840 10317940 10942696 11264540 12021820 12873760 13178536 13678370 14445116 15504160 16002508 16473170 16508704 16830548 17540498 17640560 18023264 18056395 18826480 19149718 19234912 20003135 20437094 20553680 20635880 21038185 21885392 22529080 24043640 26357072 27356740 28004389 28890232 32005016 32946340 33661096 35080996 35281120 36112790 37652960 38299436 40006270 40874188 41107360 41271760 42076370 43770784 43851245 45058160 47874295 48087280 51092735 52714144 54713480 56008778 57780464 61391743 64010032 65518919 65892680 67322192 70161992 71529829 72225580 76598872 80012540 81748376 82543520 84152740 87702490 90116320 95748590 96174560 102185470 109426960 112017556 115560928 122783486 128020064 131037838 131785360 134644384 140021945 140323984 143059658 144451160 149094233 153197744 160025080 163496752 168305480 173715299 175404980 191497180 204370940 218853920 224035112 245566972 262075676 263570720 280043890 280647968 286119316 288902320 298188466 306395488 306958715 320050160 326993504 327594595 336610960 347430598 350809960 357649145 382994360 408741880 448070224 458632433 491133944 524151352 560087780 572238632 577804640 596376932 613917430 640100320 655189190 673221920 694861196 701619920 715298290 745471165 765988720 817483760 868576495 896140448 917264866 982267888 1043659631 1048302704 1113821623 1120175560 1144477264 1192753864 1216007093 1227834860 1310378380 1389722392 1403239840 1430596580 1490942330 1531977440 1634967520 1737152990 1834529732 1964535776 2087319262 2096605408 2227643246 2240351120 2288954528 2293162165 2385507728 2432014186 2455669720 2620756760 2779444784 2861193160 2981884660 3474305980 3669059464 4174638524 4455286492 4480702240 4586324330 4771015456 4864028372 4911339440 5218298155 5241513520 5558889568 5569108115 5722386320 5963769320 6080035465 6948611960 7338118928 7796751361 8349277048 8910572984 9172648660 9728056744 9822678880 10436596310 10483027040 11138216230 11444772640 11927538640 12160070930 13897223920 14676237856 15593502722 16698554096 17821145968 18345297320 18934967591 19456113488 20873192620 22276432460 23855077280 24320141860 27794447840 31187005444 33397108192 35642291936 36690594640 37869935182 38912226976 38983756805 41746385240 44552864920 48640283720 62374010888 73381189280 75739870364 77967513610 83492770480 89105729840 94674837955 97280567440 124748021776 132544773137 151479740728 155935027220 166985540960 178211459680 189349675910 194561134880 249496043552 265089546274 302959481456 311870054440 378699351820 530179092548 605918962912 623740108880 662723865685 757398703640 1060358185096 1247480217760 1325447731370 1514797407280 2120716370192 2650895462740 3029594814560 4241432740384 5301790925480 10603581850960 21207163701920
• Sum of all divisors σ(n): 61880109096960
• Sum of proper divisors (its aliquot sum) s(n): 40672945395040
• 21207163701920 is an abundant number, because the sum of its proper divisors (40672945395040) is greater than itself. Its abundance is 19465781693120

Bases of 21207163701920

• Binary: 100110100100110101101011101011000101010100000₂
• Hexadecimal: 0x1349AD758AA0
• Base-36: 7IMFPPR4W

Squares and roots of 21207163701920

• 21207163701920 squared (21207163701920²) is 449743792280033198611686400
• 21207163701920 cubed (21207163701920³) is 9537790226804968365570309959198117888000
• The square root of 21207163701920 is 4605123.6358994751
• The cube root of 21207163701920 is 27679.6671204831

Scales and comparisons

• 21,207,163,701,920 seconds is equal to 674,322 years, 10 weeks, 5 days, 14 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,207,163,701,920 would take you about one million, six hundred eighty-five thousand, eight hundred five 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 21207163701920 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21207163701920

• 21207163701920 backwards is 02910736170212
• The number of decimal digits it has is: 14
• The sum of 21207163701920's digits is 41
• More coming soon!