20657293920

Names of 20657293920

• Cardinal: 20657293920 can be written as Twenty billion, six hundred fifty-seven million, two hundred ninety-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.065729392 × 10¹⁰

Factors of 20657293920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 267

Divisors of 20657293920

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 31 32 36 40 45 48 54 58 60 62 72 80 81 87 90 93 96 108 116 120 124 135 144 145 155 160 162 174 180 186 197 216 232 240 243 248 261 270 279 288 290 310 324 348 360 372 394 405 432 435 464 465 480 486 496 522 540 558 580 591 620 648 696 720 729 744 783 788 810 837 864 870 899 928 930 972 985 992 1044 1080 1116 1160 1182 1215 1240 1296 1305 1392 1395 1440 1458 1488 1566 1576 1620 1674 1740 1773 1798 1860 1944 1970 2088 2160 2232 2320 2349 2364 2430 2480 2511 2592 2610 2697 2784 2790 2916 2955 2976 3132 3152 3240 3348 3480 3546 3596 3645 3720 3888 3915 3940 4176 4185 4320 4464 4495 4640 4698 4728 4860 4960 5022 5220 5319 5394 5580 5713 5832 5910 6107 6264 6304 6480 6696 6960 7047 7092 7192 7290 7440 7533 7776 7830 7880 8091 8352 8370 8865 8928 8990 9396 9456 9720 10044 10440 10638 10788 11160 11426 11664 11745 11820 12214 12528 12555 12960 13392 13485 13920 14094 14184 14384 14580 14880 15066 15660 15760 15957 16182 16740 17139 17730 17980 18321 18792 18912 19440 20088 20880 21141 21276 21576 22320 22599 22852 23328 23490 23640 24273 24428 25056 25110 26595 26784 26970 28188 28368 28565 28768 29160 30132 30535 31320 31520 31914 32364 33480 34278 35235 35460 35960 36642 37584 37665 38880 40176 40455 41760 42282 42552 43152 44640 45198 45704 46980 47280 47871 48546 48856 50220 51417 53190 53940 54963 56376 56736 57130 58320 60264 61070 62640 63828 64728 66960 68556 70470 70920 71920 72819 73284 75168 75330 79785 80352 80910 84564 85104 85695 86304 90396 91408 91605 93960 94560 95742 97092 97712 100440 102834 105705 106380 107880 109926 112752 112995 114260 116640 120528 121365 122140 125280 127656 129456 133920 137112 140940 141840 143613 143840 145638 146568 150660 154251 159570 161820 164889 169128 170208 171390 177103 180792 182816 183210 187920 191484 194184 195424 200880 205668 211410 212760 215760 218457 219852 225504 225990 228520 239355 241056 242730 244280 255312 257085 258912 274224 274815 281880 283680 287226 291276 293136 301320 308502 319140 323640 329778 338256 342780 354206 361584 364095 366420 375840 382968 388368 401760 411336 422820 425520 431520 436914 439704 451980 457040 462753 478710 485460 488560 494667 510624 514170 531309 548448 549630 563760 574452 582552 586272 602640 617004 638280 647280 655371 659556 676512 685560 708412 718065 723168 728190 732840 765936 771255 776736 822672 824445 845640 851040 873828 879408 885515 903960 914080 925506 957420 970920 977120 989334 1028340 1062618 1092285 1099260 1127520 1148904 1165104 1205280 1234008 1276560 1294560 1310742 1319112 1371120 1388259 1416824 1436130 1456380 1465680 1484001 1531872 1542510 1593927 1645344 1648890 1691280 1747656 1758816 1771030 1807920 1851012 1914840 1941840 1978668 2056680 2125236 2184570 2198520 2297808 2313765 2330208 2468016 2473335 2553120 2621484 2638224 2656545 2742240 2776518 2833648 2872260 2912760 2931360 2968002 3085020 3187854 3276855 3297780 3382560 3495312 3542060 3615840 3702024 3829680 3883680 3957336 4113360 4164777 4250472 4369140 4397040 4452003 4595616 4627530 4781781 4936032 4946670 5242968 5276448 5313090 5553036 5667296 5744520 5825520 5936004 6170040 6375708 6553710 6595560 6941295 6990624 7084120 7404048 7420005 7659360 7914672 7969635 8226720 8329554 8500944 8738280 8794080 8904006 9255060 9563562 9893340 10485936 10626180 11106072 11489040 11651040 11872008 12340080 12751416 13107420 13191120 13882590 14168240 14345343 14808096 14840010 15829344 15939270 16659108 17001888 17476560 17808012 18510120 19127124 19786680 20823885 20971872 21252360 22212144 22260015 22978080 23744016 23908905 24680160 25502832 26214840 26382240 27765180 28336480 28690686 29680020 31878540 33318216 34953120 35616024 37020240 38254248 39573360 41647770 42504720 43036029 44424288 44520030 47488032 47817810 51005664 52429680 55530360 57381372 59360040 63757080 66636432 71232048 71726715 74040480 76508496 79146720 83295540 85009440 86072058 89040060 95635620 104859360 111060720 114762744 118720080 127514160 129108087 133272864 142464096 143453430 153016992 166591080 172144116 178080120 191271240 215180145 222121440 229525488 237440160 255028320 258216174 286906860 333182160 344288232 356160240 382542480 430360290 459050976 516432348 573813720 645540435 666364320 688576464 712320480 765084960 860720580 1032864696 1147627440 1291080870 1377152928 1721441160 2065729392 2295254880 2582161740 3442882320 4131458784 5164323480 6885764640 10328646960 20657293920
• Sum of all divisors σ(n): 78532312320
• Sum of proper divisors (its aliquot sum) s(n): 57875018400
• 20657293920 is an abundant number, because the sum of its proper divisors (57875018400) is greater than itself. Its abundance is 37217724480

Bases of 20657293920

• Binary: 10011001111010001010100101001100000₂
• Hexadecimal: 0x4CF454A60
• Base-36: 9HMTI00

Squares and roots of 20657293920

• 20657293920 squared (20657293920²) is 426723792097268966400
• 20657293920 cubed (20657293920³) is 8814958796010258268219404288000
• The square root of 20657293920 is 143726.4551848407
• The cube root of 20657293920 is 2743.8338502647

Scales and comparisons

• 20,657,293,920 seconds is equal to 656 years, 43 weeks, 4 days, 1 hour, 12 minutes.
• To count from 1 to 20,657,293,920 would take you about one thousand, three hundred thirteen 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 20657293920 cubic inches would be around 228.7 feet tall.

Recreational maths with 20657293920

• 20657293920 backwards is 02939275602
• 20657293920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20657293920's digits is 45
• More coming soon!