8420490072
8,420,490,072 is an even composite number composed of seven prime numbers multiplied together.
8420490072 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 8420490072:
23 × 32 × 19 × 23 × 31 × 89 × 97
(2 × 2 × 2 × 3 × 3 × 19 × 23 × 31 × 89 × 97)See below for interesting mathematical facts about the number 8420490072 from the Numbermatics database.
Names of 8420490072
- Cardinal: 8420490072 can be written as Eight billion, four hundred twenty million, four hundred ninety thousand and seventy-two.
Scientific notation
- Scientific notation: 8.420490072 × 109
Factors of 8420490072
Divisors of 8420490072
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 19 23 24 31 36 38 46 57 62 69 72 76 89 92 93 97 114 124 138 152 171 178 184 186 194 207 228 248 267 276 279 291 342 356 372 388 414 437 456 534 552 558 582 589 684 712 713 744 776 801 828 873 874 1068 1116 1164 1178 1311 1368 1426 1602 1656 1691 1746 1748 1767 1843 2047 2136 2139 2231 2232 2328 2356 2622 2759 2852 3007 3204 3382 3492 3496 3534 3686 3933 4094 4278 4462 4712 5073 5244 5301 5518 5529 5704 6014 6141 6408 6417 6693 6764 6984 7068 7372 7866 8188 8277 8556 8633 8924 9021 10146 10488 10602 11036 11058 12028 12282 12834 13386 13528 13547 14136 14744 15219 15732 16376 16554 16587 17112 17266 17848 18042 18423 20079 20292 21204 22072 22116 24056 24564 24831 25668 25899 26772 27063 27094 30438 31464 33108 33174 34532 36084 36846 38893 40158 40584 40641 42389 42408 44232 49128 49662 51336 51798 52421 53544 54126 54188 57133 60876 63457 66216 66348 69064 69161 72168 73692 77697 77786 80316 81282 84778 99324 103596 104842 108252 108376 114266 116679 121752 121923 126914 127167 132696 138322 147384 155394 155572 157263 160632 162564 164027 169556 171399 190371 198559 198648 207192 207483 209684 216504 228532 233358 243846 253828 254334 267623 276644 310788 311144 314526 325128 328054 339112 342798 350037 380742 381501 397118 414966 419368 457064 466716 471789 487692 492081 507656 508668 514197 535246 553288 571113 595677 621576 622449 629052 656108 685596 700074 761484 763002 794236 802869 829932 933432 943578 975384 984162 1017336 1028394 1070492 1142226 1191354 1205683 1244898 1258104 1312216 1314059 1371192 1400148 1476243 1522968 1526004 1588472 1605738 1659864 1787031 1887156 1968324 2056788 2140984 2284452 2382708 2408607 2411366 2489796 2628118 2800296 2952486 3052008 3211476 3574062 3617049 3772621 3774312 3936648 3942177 4113576 4568904 4765416 4817214 4822732 4979592 5084837 5256236 5904972 6155329 6422952 7148124 7234098 7545242 7884354 9634428 9645464 10169674 10512472 10851147 11317863 11809944 11826531 12310658 14296248 14468196 15090484 15254511 15768708 18465987 19268856 20339348 21702294 22635726 23653062 24621316 28936392 30180968 30509022 31537416 33953589 36931974 40678696 43404588 45271452 45763533 47306124 49242632 55397961 61018044 67907178 73863948 86809176 90542904 91527066 94612248 110795922 116951251 122036088 135814356 147727896 183054132 221591844 233902502 271628712 350853753 366108264 443183688 467805004 701707506 935610008 1052561259 1403415012 2105122518 2806830024 4210245036 8420490072
- Sum of all divisors σ(n): 26417664000
- Sum of proper divisors (its aliquot sum) s(n): 17997173928
- 8420490072 is an abundant number, because the sum of its proper divisors (17997173928) is greater than itself. Its abundance is 9576683856
Bases of 8420490072
- Binary: 1111101011110011001111011010110002
- Hexadecimal: 0x1F5E67B58
- Base-36: 3V9CBQ0
Squares and roots of 8420490072
- 8420490072 squared (84204900722) is 70904653052650565184
- 8420490072 cubed (84204900723) is 597051927088448577417060853248
-
The
square root of 8420490072 is 91763.2283215885 -
The
cube root of 8420490072 is 2034.4442313943
Scales and comparisons
How big is 8420490072?- 8,420,490,072 seconds is equal to 267 years, 38 weeks, 5 days, 9 hours, 1 minute, 12 seconds.
-
To count from 1 to 8,420,490,072 would take you about five hundred thirty-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 8420490072 cubic inches would be around 169.5 feet tall.
Recreational maths with 8420490072
- 8420490072 backwards is 2700940248
- 8420490072 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 8420490072's digits is 36
- More coming soon!
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