1128295728

Names of 1128295728

• Cardinal: 1128295728 can be written as One billion, one hundred twenty-eight million, two hundred ninety-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.128295728 × 10⁹

Factors of 1128295728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1263

Divisors of 1128295728

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 36 41 42 46 48 56 63 69 72 82 84 92 112 123 126 138 144 161 164 168 184 207 246 252 276 287 322 328 336 368 369 414 483 492 504 552 574 644 656 738 828 861 943 966 984 1008 1104 1148 1187 1288 1449 1476 1656 1722 1886 1932 1968 2296 2374 2576 2583 2829 2898 2952 3312 3444 3561 3772 3864 4592 4748 5166 5658 5796 5904 6601 6888 7122 7544 7728 8309 8487 9496 10332 10683 11316 11592 13202 13776 14244 15088 16618 16974 18992 19803 20664 21366 22632 23184 24927 26404 27301 28488 33236 33948 39606 41328 42732 45264 48667 49854 52808 54602 56976 59409 66472 67896 74781 79212 81903 85464 97334 99708 105616 109204 118818 132944 135792 146001 149562 158424 163806 170928 191107 194668 199416 218408 237636 245709 292002 299124 316848 327612 340669 382214 389336 398832 436816 438003 475272 491418 573321 584004 598248 655224 681338 764428 778672 876006 950544 982836 1022007 1119341 1146642 1168008 1196496 1310448 1362676 1528856 1719963 1752012 1965672 2044014 2238682 2293284 2336016 2725352 3057712 3066021 3358023 3439926 3504024 3931344 4088028 4477364 4586568 5450704 6132042 6716046 6879852 7008048 7835387 8176056 8954728 9173136 10074069 12264084 13432092 13759704 15670774 16352112 17909456 20148138 23506161 24528168 26864184 27519408 31341548 40296276 47012322 49056336 53728368 62683096 70518483 80592552 94024644 125366192 141036966 161185104 188049288 282073932 376098576 564147864 1128295728
• Sum of all divisors σ(n): 3860752896
• Sum of proper divisors (its aliquot sum) s(n): 2732457168
• 1128295728 is an abundant number, because the sum of its proper divisors (2732457168) is greater than itself. Its abundance is 1604161440

Bases of 1128295728

• Binary: 1000011010000000110110100110000₂
• Hexadecimal: 0x43406D30
• Base-36: INRAK0

Squares and roots of 1128295728

• 1128295728 squared (1128295728²) is 1273051249823049984
• 1128295728 cubed (1128295728³) is 1436378286700408052877668352
• The square root of 1128295728 is 33590.1135455063
• The cube root of 1128295728 is 1041.0565347853

Scales and comparisons

• 1,128,295,728 seconds is equal to 35 years, 45 weeks, 3 days, 23 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,128,295,728 would take you about seventy-one 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 1128295728 cubic inches would be around 86.8 feet tall.

Recreational maths with 1128295728

• 1128295728 backwards is 8275928211
• The number of decimal digits it has is: 10
• The sum of 1128295728's digits is 45
• More coming soon!