30998880
30,998,880 is an even composite number composed of six prime numbers multiplied together.
30998880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 30998880:
25 × 32 × 5 × 11 × 19 × 103
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 19 × 103)See below for interesting mathematical facts about the number 30998880 from the Numbermatics database.
Names of 30998880
- Cardinal: 30998880 can be written as Thirty million, nine hundred ninety-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 3.099888 × 107
Factors of 30998880
Divisors of 30998880
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 30 32 33 36 38 40 44 45 48 55 57 60 66 72 76 80 88 90 95 96 99 103 110 114 120 132 144 152 160 165 171 176 180 190 198 206 209 220 228 240 264 285 288 304 309 330 342 352 360 380 396 412 418 440 456 480 495 515 528 570 608 618 627 660 684 720 760 792 824 836 855 880 912 927 990 1030 1045 1056 1133 1140 1236 1254 1320 1368 1440 1520 1545 1584 1648 1672 1710 1760 1824 1854 1881 1957 1980 2060 2090 2266 2280 2472 2508 2640 2736 3040 3090 3135 3168 3296 3344 3399 3420 3708 3762 3914 3960 4120 4180 4532 4560 4635 4944 5016 5280 5472 5665 5871 6180 6270 6688 6798 6840 7416 7524 7828 7920 8240 8360 9064 9120 9270 9405 9785 9888 10032 10197 11330 11742 12360 12540 13596 13680 14832 15048 15656 15840 16480 16720 16995 17613 18128 18540 18810 19570 20064 20394 21527 22660 23484 24720 25080 27192 27360 29355 29664 30096 31312 33440 33990 35226 36256 37080 37620 39140 40788 43054 45320 46968 49440 50160 50985 54384 58710 60192 62624 64581 67980 70452 74160 75240 78280 81576 86108 88065 90640 93936 100320 101970 107635 108768 117420 129162 135960 140904 148320 150480 156560 163152 172216 176130 181280 187872 193743 203940 215270 234840 258324 271920 281808 300960 313120 322905 326304 344432 352260 387486 407880 430540 469680 516648 543840 563616 645810 688864 704520 774972 815760 861080 939360 968715 1033296 1291620 1409040 1549944 1631520 1722160 1937430 2066592 2583240 2818080 3099888 3444320 3874860 5166480 6199776 7749720 10332960 15499440 30998880
- Sum of all divisors σ(n): 122653440
- Sum of proper divisors (its aliquot sum) s(n): 91654560
- 30998880 is an abundant number, because the sum of its proper divisors (91654560) is greater than itself. Its abundance is 60655680
Bases of 30998880
- Binary: 11101100100000001011000002
- Hexadecimal: 0x1D90160
- Base-36: IGEW0
Squares and roots of 30998880
- 30998880 squared (309988802) is 960930561254400
- 30998880 cubed (309988803) is 29787771156657795072000
-
The
square root of 30998880 is 5567.6637829525 -
The
cube root of 30998880 is 314.1342820255
Scales and comparisons
How big is 30998880?- 30,998,880 seconds is equal to 51 weeks, 1 day, 18 hours, 48 minutes.
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To count from 1 to 30,998,880 would take you about twenty-four weeks!
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 30998880 cubic inches would be around 26.2 feet tall.
Recreational maths with 30998880
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