21451120080
21,451,120,080 is an even composite number composed of seven prime numbers multiplied together.
21451120080 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21451120080:
24 × 3 × 5 × 13 × 19 × 73 × 4957
(2 × 2 × 2 × 2 × 3 × 5 × 13 × 19 × 73 × 4957)See below for interesting mathematical facts about the number 21451120080 from the Numbermatics database.
Names of 21451120080
- Cardinal: 21451120080 can be written as Twenty-one billion, four hundred fifty-one million, one hundred twenty thousand and eighty.
Scientific notation
- Scientific notation: 2.145112008 × 1010
Factors of 21451120080
Divisors of 21451120080
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 48 52 57 60 65 73 76 78 80 95 104 114 120 130 146 152 156 190 195 208 219 228 240 247 260 285 292 304 312 365 380 390 438 456 494 520 570 584 624 730 741 760 780 876 912 949 988 1040 1095 1140 1168 1235 1387 1460 1482 1520 1560 1752 1898 1976 2190 2280 2470 2774 2847 2920 2964 3120 3504 3705 3796 3952 4161 4380 4560 4745 4940 4957 5548 5694 5840 5928 6935 7410 7592 8322 8760 9490 9880 9914 11096 11388 11856 13870 14235 14820 14871 15184 16644 17520 18031 18980 19760 19828 20805 22192 22776 24785 27740 28470 29640 29742 33288 36062 37960 39656 41610 45552 49570 54093 55480 56940 59280 59484 64441 66576 72124 74355 75920 79312 83220 90155 94183 99140 108186 110960 113880 118968 128882 144248 148710 166440 180310 188366 193323 198280 216372 227760 237936 257764 270465 282549 288496 297420 322205 332880 360620 361861 376732 386646 396560 432744 470915 515528 540930 565098 594840 644410 721240 723722 753464 773292 865488 941830 966615 1031056 1081860 1085583 1130196 1189680 1224379 1288820 1412745 1442480 1447444 1506928 1546584 1809305 1883660 1933230 2163720 2171166 2260392 2448758 2577640 2825490 2894888 3093168 3618610 3673137 3767320 3866460 4327440 4342332 4520784 4704193 4897516 5155280 5427915 5650980 5789776 6121895 6875359 7237220 7346274 7534640 7732920 8684664 9408386 9795032 10855830 11301960 12243790 13750718 14112579 14474440 14692548 15465840 17369328 18365685 18816772 19590064 20626077 21711660 22603920 23520965 24487580 27501436 28225158 28948880 29385096 34376795 36731370 37633544 41252154 43423320 47041930 48975160 55002872 56450316 58770192 68753590 70562895 73462740 75267088 82504308 86846640 89379667 94083860 97950320 103130385 110005744 112900632 137507180 141125790 146925480 165008616 178759334 188167720 206260770 225801264 268139001 275014360 282251580 293850960 330017232 357518668 376335440 412521540 446898335 536278002 550028720 564503160 715037336 825043080 893796670 1072556004 1129006320 1340695005 1430074672 1650086160 1787593340 2145112008 2681390010 3575186680 4290224016 5362780020 7150373360 10725560040 21451120080
- Sum of all divisors σ(n): 76430941440
- Sum of proper divisors (its aliquot sum) s(n): 54979821360
- 21451120080 is an abundant number, because the sum of its proper divisors (54979821360) is greater than itself. Its abundance is 33528701280
Bases of 21451120080
- Binary: 100111111101001011000011101110100002
- Hexadecimal: 0x4FE961DD0
- Base-36: 9URFY6O
Squares and roots of 21451120080
- 21451120080 squared (214511200802) is 460150552686579206400
- 21451120080 cubed (214511200803) is 9870744760558177160917504512000
-
The
square root of 21451120080 is 146462.0089989211 -
The
cube root of 21451120080 is 2778.5400301185
Scales and comparisons
How big is 21451120080?- 21,451,120,080 seconds is equal to 682 years, 4 weeks, 20 hours, 28 minutes.
-
To count from 1 to 21,451,120,080 would take you about one thousand, three hundred sixty-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 21451120080 cubic inches would be around 231.5 feet tall.
Recreational maths with 21451120080
- 21451120080 backwards is 08002115412
- 21451120080 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21451120080's digits is 24
- More coming soon!
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